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Learn About Transmission Synchro Rings

Оценок: 4605 | Просмотров: 938986
#1 BOOK Building and Modifying Manual Transmissions Book: http://amzn.to/1zcGjUS #2 BOOK Building and Modifying MUNCIE 4 Speeds Book: http://amzn.to/17t4d7H For more, SUBSCRIBE and like http://fb.com/Gearboxvideo Paul Cangialosi from 5speeds.com discusses the function of synchro rings typically used in Muncie, T10, T5, and T56 transmissions. READ the comments. Some good discussion below!
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Текстовые комментарии (950)
GearBoxVideo (3 года назад)
Again everyone... your SECURITY restrictions on your Google plus accounts prevent me from responding to your questions
Kadir Kalkan (13 дней назад)
Hi. I want to do this. Where should I start. Im aircraft technician. Please answer
Randle Philups (3 месяца назад)
GearBoxVideo nv4500 long teal shaft dodge
Vishwa Rychuri (5 месяцев назад)
please help me reply me i have a problem i m using ford fiesta 2009 tdci engine today im facing some problem with my gear shifting when i move my car with 1 2 3 it has some weird sound but when i use top gear it doesnt have any sound and car runs smooth whats the problem please reply im your subscriber pls tell whats the problem...
Keith Nichols (5 месяцев назад)
GearBoxVideo ... Very impressed... I have a Muncie 4 spd in my impala with a Vertigate shifter, love it but with these times I need a up-scale trans like the Richmond 5 spd. But don't want to loose my Vertigate...what is your comment?
hansdevgiri Goswami (7 месяцев назад)
Cosmic Dogoran (14 дней назад)
Thank You, this helped me summon Stardust Dragon!
Kyle Wininger (24 дня назад)
Hello, I just bought a 2012 WRX with 84,000 miles on it and noticed some grinding going from 1st to 2nd. Figured it had to do something with the synchro, but not quite sure exactly. It works fine when double clutching and shifting slower, however. The other gears have no problem shifting.
GearBoxVideo (15 дней назад)
Then it sounds more like clutch release
Kyle Wininger (20 дней назад)
+GearBoxVideo Thank you for the reply. Would you suggest changing the transmission fluid to see if that would potentially smooth out the 1-2 shifts?? Also, I've noticed this happens when the car has been driven around a bit; When I first get on the road, it is completely fine.
GearBoxVideo (22 дня назад)
The 2nd gear ring sounds like it is worn or warped.
Ochieng Kenneth (1 месяц назад)
I like it, Thank you
Z Man (1 месяц назад)
Hi Paul, I've started disassembly on a '83 Datsun 280ZX Turbo NWC B&W T5 and have come to a halt for further diagnosis and recommendation. Upon removal of the extension housing I noticed one of the strut keys on the hub to the 5th gear was undamaged laying in the bottom of the housing. The second issue was once again another missing strut key, this time missing from the hub just in front of 3rd gear. This one I found on the large magnet bottom of the case, undamaged once again. Further inspection reveals nothing else damaged, missing, or broken. Normal wear on the shift fork pads, normal metal flaking found and removed from fluid and magnet. All shafts spin smoothly and freely, no weird noises or grinding, etc. How should I proceed? I can easily reinstall the strut key on the 5th gear hub and inspect the springs. As for the 3rd gear hub, what do you suggest I do to install the strut key and/or inspect that assembly? Also, what's your experience on using the bronze shift fork pads over the factory teflon units? Thanks for your input and guidance, your videos are priceless!
Z Man (27 дней назад)
Paul, thanks again for your recommendations. With all the gear oils that have changed over the years since the early 80's when NWCs were first released, what would be the suggested modernly available lubricant product to use equal/close to the properties of the original manufacturers suggested oils of API-GL4 (SAE 80W-90 or Type DEXRON) for summer/spring use in the Midwest US region in a rebuilt NWC? It's been recommended that I should use Valvoline DEX/Merc ATF or on the flip side Brad Penn 023-7729 Multipurpose Classic GL-4 80W90 Gear Oil. What's your take on this? Thank again.
GearBoxVideo (1 месяц назад)
I never use bronze pads, they wear faster
Mr. Datsun (1 месяц назад)
+GearBoxVideo Will proceed with your recommendation, thanks. And as for teflon vs bronze fork pads, worth the upgrade or stick with teflon?
GearBoxVideo (1 месяц назад)
The later 3-4 assemblies had keys with wings to prevent the keys from coming out. Typically as rings wear they create a gap for the keys to pop out. I would change the rings to be safe and upgrade the 3-4 synchro assembly.
Peter Mayo (1 месяц назад)
Hey Paul on your forged rings that you used in your other video for the Richmond 5 speed what is the slot width of the sychro rings 1-4th
Peter Mayo (1 месяц назад)
Long story short I bought a used Richmond last week, I opened it just to check it out. The Richmond I have has good grabbing rings( they look pretty new) but when I line them up, they block like in your explanation, so I wanted to compare the slot on my rings with yours. Mine measure .398 is that standard?
GearBoxVideo (1 месяц назад)
Curious as to why you are asking?
yard limit (1 месяц назад)
nice video,,,,,,no wasted words, and you know what you are talking about......i enjoyed it.
Space Cadet (1 месяц назад)
Paul, you rock. This video was a joy to watch, your explanations were perfect. Thanks.
GearBoxVideo (1 месяц назад)
Thanks for watching
Cameron (1 месяц назад)
After 5 years through the magic of YouTube I randomly find out why my Cruiser sometimes refuses to go into first gear....no grinding, just won't shift until i blip the gas pedal. Worn first gear syncro, like you said, blockout condition. Thanks mate!!
solo dancer joshua the marine (1 месяц назад)
Hi I wanted to find out... I have a 2 litre gearbox I'm looking for the reverse idler for it for a 1979 model Kombi Fleetline..... And then I'm also in need of a 4th gear for a 1600 gearbox also for a Kombi 1979 model... If it's any details or way that I can find his gaze is there a possibility of maybe helping me out with giving me maybe email address or maybe a website that I can go look on because I'm from Cape Town South Africa so I'm really in need of those two gears
Miguel Nuno (1 месяц назад)
very interesting video! I have a manual transmission car. and when the car is cold all gears work fine, but after 15-20 min of driving, especially in hot days the 1st, 2nd and reverse gears become difficult to shift in. What is happening? Would changing the gearbox lubricant solve this problem? I thanks for you help!
Miguel Nuno (1 месяц назад)
I solved the problem by lubricating the hinge of the lever actioned by the slave cylinder. I used WD40. Now every gear is shifting very smoothly. Your videos were a great help in understanding how the clutch and gearbox work. Thanks for sharing your knowledge.
GearBoxVideo (1 месяц назад)
Sounds more like a clutch issue
Sergio Valente (1 месяц назад)
Great video, thanks!
J T (2 месяца назад)
Excellent explanation , thank you for sharing, regards from Australia.
Bonno460xvr (2 месяца назад)
Surprised me, very good info.
Harshavardhan Ync (2 месяца назад)
Reverse gear is not engaging properly in Fiat Linea 1.3 L MJD, Diesel, 2012 SEP model,. Rest of the gears are working fine. Only reverse gear is causing problem to engage. No pick up drop. No jerking. What may be the actual problem ? Fiat ASC is saying to replace the clutch kit and release bearing. Car has done 95000 KMS. Around 55000 KMS clutch has been replaced. Present clutch has run only for 40000 KMS. Is there any problem with the gear box ? Or with the clutch ? HARSHAVARDHAN from Bangalore. Thanks in advance.
Cari Page (2 месяца назад)
Nice video, I have read a couple of my cars have a rough shift due to the syncros being made a certain way (autos) but never really understood how they work. Hoping I can get a super cheap car at auction and tear it apart, I have the urge to play with a transmission. :D
tom taxi (3 месяца назад)
They were called bulking rings in my day...
GearBoxVideo (3 месяца назад)
They still are. Also called blocking rings
Vamsi Mohan Krishna Vadrevu (3 месяца назад)
Synchros are such a great mechanism. Simple yet effective solution to a seemingly impossible problem of synchronizing speeds. But after looking at the solution I wonder if I could have come up with such a solution myself.
GearBoxVideo (3 месяца назад)
There is always room for improvement
Avi B (3 месяца назад)
When I go into first i let off the clutch and as I start moving and it will pop out of first gear with a bang sound. It mostly does it when there is a load on the transmission such as going up hill seems like the syncro?
Avi B (3 месяца назад)
GearBoxVideo 2011 bmw 135i
GearBoxVideo (3 месяца назад)
What make and model transmission please?
Armstrong Racing (4 месяца назад)
Awesome video man, love your channel. Do you have any idea why my Toyota gearbox has a bi-metal 3rd synchro, but 4th is an exact copy in dimensions but brass?
GearBoxVideo (4 месяца назад)
My guess is that the brass ones are aftermarket.
Thang Tons (4 месяца назад)
Sir I really need your help in this clutch sounds which comes after installing new clutch system. There are no hard shifting in gear transmissions, everything is normal. Clutch disc, pressure plate and clutch bearing all lubricated properly wherever required, and no leak in both clutch cylinders. https://m.youtube.com/watch?v=DVJCERkwS2w Sir, it happens only after replacing with new clutch. And this sound did not come with the old clutch. Any ideas or suspect regarding pressure rings getting hard...? And how to identify hard pressure rings?
Robert Lundbohm (4 месяца назад)
It's obvious you are into these trans and your excitement comes through in your voice. You were on a roll in this video and you made everything perfectly simple to follow. I especially like the fact that you show how each style has it's good points and weaknesses. The aspect of the correct type Lube was awesome and to the point. I hear of so many guys wanting to go away from the recommended and try some Snake Oil from some salesman. Now you talk about disaster waiting to happen. It was really nice to see someone else point out how not to mismatch components. I hear guys tell me they took two trans and made one. Later I get it in with shifting issues...and then they wonder why it needs so many replacement components. It's like you pointed out, Rebuilding the engine and replacing all the internal components converts into trans rebuilds. You don't just replace what looks bad or is worn without considering the whole unit. I don't get how that notion all started but it's been that attitude for ages. Some people just don't have a concept of how these work and only know how to change parts but not how to build. I know you'll know what that means. Anyway, another great informative video and I learned some more new things again. Thanks. I find so many sites that show some guy doing some kind of build with his special trick or new component. Have you ever noticed how their project is at one level of completion, the video breaks away and all of a sudden a ton of work's been done? Then when the guy comes back he starts talking like he did all the work off camera...The presenter has perfectly manicured hands, clean fingernails and clean clothes while you see a worker in the background working on a similar mechanical unit? IT always cracks me up. My point is I don't get that impression with you and you add more comments supporting what you're showing. It's certain to me that you are no pretender and I appreciate all the information you share. I am impressed and now a faithful follower of your channel. Keep up the great work. Robert (Auto Doc)
Vishwa Rychuri (5 месяцев назад)
please help me reply me i have a problem i m using ford fiesta 2009 tdci engine today im facing some problem with my gear shifting when i move my car with 1 2 3 it has some weird sound but when i use top gear it doesnt have any sound and car runs smooth whats the problem please reply im your subscriber pls tell whats the problem...
Vishwa Rychuri (5 месяцев назад)
GearBoxVideo when i turn on my car grinding sound will come but when i press the clutch the sound will not come
GearBoxVideo (5 месяцев назад)
I don't know what kind of sound you are talking about is it a sound while the transmission is running or only when you make the shift
bornface simbuwa (5 месяцев назад)
What would cause the gear to lock out when the acceleration pedal is released manual transmission.. Thanks
bornface simbuwa (5 месяцев назад)
Well explained. Thanks but what could cause the gear shifting stiff in manual gearbox..
Brett Williams (5 месяцев назад)
I've got an A833, so as long as the brass rings lock-up with the cone I'm all good?
Brett Williams (5 месяцев назад)
GearBoxVideo great channel btw
Brett Williams (5 месяцев назад)
GearBoxVideo thanks mate! Height?
GearBoxVideo (5 месяцев назад)
Yes, and your height is OK.
D.j. B (5 месяцев назад)
You have earned a new subscriber! Being an Automotive enthusiast all my life, I have always wanted to be a fly on the wall of a great machinist!!! GREAT VIDEO!!!
Dominic Petruzzelli (5 месяцев назад)
Boy do I wish I had you replace the synchros in my transmission rather than the bafune that did it. It used to grind when shifting, when I got it back, it would not go into 3rd gear without going towards 4th first. Brought it back to the bafune, he tells me theres nothing wrong, you need to adjust the shifter. After looking at your video I can see what could possibly have gone wrong.
GearBoxVideo (5 месяцев назад)
Feel free to contact me if you need help fixing the trans
Ferd Smurf (6 месяцев назад)
Long time mechanical engineer but I've only worked on motorcycle transmissions that don't use synchros. Never really understood how they work. Great explanation. Love picking up tidbits like this even if I never use it.
Young Black (6 месяцев назад)
Need help with vw 6speed 02M transmission Car was grinding in 1/2 gear when shifting changed fluid on the way from shop start loosing gears Shift fork broke changed shift fork and it was fine for month Took car out ride at stop light car won’t move in first second gear Feels like natural 3456 and reverse work fine
TTMR1986 (6 месяцев назад)
And now I finally know how these work! I have the trany from my WRX open right now for a grinding 4th. Turned out to be a shift fork worn almost completely away but this helped me inspect the synchros
Md Badal Miah (6 месяцев назад)
all transmission gear pump
Asif Durrani (6 месяцев назад)
this is so far the best explained video on synchros on all of youtube ive seen so far. been having synchro issues in my Honda Prelude H22, explains alot of the WHY. thank you!
KULBHUSHAN KUMAR (6 месяцев назад)
Sir running time swift car 5 gear slipped. Please advice to me
Danny Lopez (6 месяцев назад)
Great video 👍
GearBoxVideo (6 месяцев назад)
trimerista (6 месяцев назад)
Hello, what would be the reason why shifter is jumping from first gear while driving
Paul Blaccard (6 месяцев назад)
trimerista worn internal components, such as the slider, gear, and Fork
Erick Troncoso (7 месяцев назад)
thank you very much, very informative video.!!!
Alex (7 месяцев назад)
Great video. I've seen a ton of videos that just say "syncros work by matching the speeds of the gears" but never really understood the details. Thanks for putting up a video with some real understanding and technical detail.
michael pax (7 месяцев назад)
My 3rd synchronizer ring on my 2000 ford focus is ruined.where can I get one?
Ernest A. Pérez L. (7 месяцев назад)
Paul, what type oil do you recommend for the Nash 4+1? Thank you for your advice.
GearBoxVideo (7 месяцев назад)
Since most have gears that run on needles, you can run GM synchromesh fluid or the equivalent from Pennzoil
Sunny Dee (7 месяцев назад)
Just bought an 02 Nissan Sentra ser spec v , it won't go into first and sometimes get stuck in reverse , im not sure if it's the shift linkage , or syncros...
GearBoxVideo (7 месяцев назад)
Probably poor clutch release.
Terry K (7 месяцев назад)
Love your work Paul, I own all your books, and have watched all your videos religiously. I don't own anything with a T5 of Muncie 4 speed, but just have a fascination with manual gearbox's. So much that I went out of my way to make sure the car I recently bought wasn't an automatic. Its a Kia Sportage with a 5 speed. So, that brings me to this question, how does the gearbox work for a front wheel drive? As in, how does the shifting work? The gearbox obviously isnt underneath the gear shift, so how does the shifting mechanism work? Would love more info on front wheel drive manual transmissions. Keep the good stuff comin' Paul!
Ian M (8 месяцев назад)
Excellent video. Really informative. I have a problem shifting down from fourth to third which seems to be what you describe in the video as block out position. When shifting up from third to fourth it works just fine but when trying to shift down from fourth into third,The gear lever simply will not select third as if something is simply blocking it but there is no grinding or anything. It just won't go. However, if i double-declutch , then i can select third as long as i rev the engine enough to match the drive speed. Does this sound like the cause of my gearbox woes is the indexing motion issue in your video?
GearBoxVideo (8 месяцев назад)
Yes, typically the whole synchro assembly either has tooth wear or some wear that allows the ring to move and over index.
xander vilas (8 месяцев назад)
Thank You Paul.. 5 STAR SERVICE..!!!
kenp3L (8 месяцев назад)
Let’s see if I have this right. The slider is rotationally fixed to hub. Axial thrust is applied from shifting fork, to outside groove of slider, to inside groove of slider (not shown), to strut keys. Strut keys apply thrust to blocking ring, which is forced onto matching conical surface of selected gear. Strut keys also keep rotational position of slider fixed to blocking ring (with about 3/4 of a tooth of play). This causes a braking action between the slider - blocking ring assembly and the selected gear. Additional thrust applied to the slider overcomes the spring force against the strut keys. As this happens, the slider teeth align with the blocking ring teeth. Also at this moment, since the inclined surfaces of both the strut keys and the slider are no longer in contact with each other, there is no longer axial braking force between the blocking ring and the selected gear. This fact allows the slider to mesh with the engagement teeth of the selected gear.
GearBoxVideo (8 месяцев назад)
Yes, that pretty much sums it up. Since the rotation of the gear will rotate the ring, which is stopped by the key ( called indexing) the slider most overcome the ring blocking the slider
Iqbal Sayed (8 месяцев назад)
Hindi my bote
Steve Zickefoose (9 месяцев назад)
Excellent presentation!
GearBoxVideo (9 месяцев назад)
Eroll Dee (9 месяцев назад)
You should have cluch sleeve for demo to understand better
GearBoxVideo (9 месяцев назад)
Have you watched the video? Clutch sleeves and explanation is at 3:30
zxcvbnm 666 (9 месяцев назад)
Hey man.. these videos are awesome and intreging. I dont even know if i spelled that right. I wanna go back to school and learn how to do this..
GearBoxVideo (9 месяцев назад)
Neapolis (9 месяцев назад)
I remember shifting the old Crash Boxes where you double clutched them or shifted by your RPMs. I drove a 75 Peterbilt with a 13 speed and it was all done without using the clutch. It had a clutch brake on the input shaft but only used for getting it into gear from a stop.
durider (9 месяцев назад)
Thxs for vid brew!
Ferran Cameranesi (10 месяцев назад)
Hello i need this Syncrorings how much is the cost best regards ferran
Ferran Cameranesi (9 месяцев назад)
Hello Paul i send this mail from Brasil.São Paulo where is the cost for the 1st and 2d complet syncrorings for the T5 world gearbox?This gearbox is used in the Troller OffRoad motor VW AP and have more probmens in Brasil. I modify T9 Gearbox for Muscle Cars and i have a good result in my project best regards ferrancameranesi@gmail.com
GearBoxVideo (9 месяцев назад)
For what transmission?
Austin DeMuro (10 месяцев назад)
I don't know if you're still replying to these but I have a 85 Nissan 300zx Turbo (Z31) and I have an issue downshifting from 4 to 3, 3 to 2, 2 to 1 unless I'm going very slow. Also if I let the RPMs go above 3,000 in 1st and then shift to 2nd it grinds and almost the same issue going into 3rd. However, after shifting to 3rd I can shift whenever I want going to 4th and 5th. I saw you mentioned to somebody else in the comments that it could be a clutch release issue, but also know that these cars are notorious for synchro issues. Please help!
carley northcoast (9 месяцев назад)
time to start double clutching, try engaging slow too and see if that helps I think a worn synco might still create a bit of friction
GearBoxVideo (10 месяцев назад)
+Austin DeMuro sounds like a clutch release issue that was your initial problem which now has ruined your synchro rings.
dario barton (10 месяцев назад)
Hey good day sir I have a problem with my gear box slipping out of 4 gear all other gears work ok but 4 gear keeps popping out what could be the issue
GearBoxVideo (10 месяцев назад)
+dario barton probably a bad shift fork
dario barton (10 месяцев назад)
GearBoxVideo Toyota starlet c56 gearbox
GearBoxVideo (10 месяцев назад)
dario barton what make and model?
Jason Morgan (10 месяцев назад)
How much is a muncie rebuild kit cost from u?
GearBoxVideo (10 месяцев назад)
+Jason Morgan See munciebook.com and look at the kit pictures.
The car guy Audi A4 B6 (10 месяцев назад)
Hi man, any idea from where can I buy some synchros for my Audi A4 manual transmission 2003?
GearBoxVideo (10 месяцев назад)
+SacreDro have you tried Audi?
Jose Francisco Medeiros (10 месяцев назад)
Very interesting, a learned a lot watching this video.
GearBoxVideo (10 месяцев назад)
Thanks for watching
Roberto Montoya (10 месяцев назад)
Hi, could you please check my video? I would like your opinion about play in 1st/2nd blocker rings please, thanks: https://www.youtube.com/watch?v=2zg52xcJKPs&feature=youtu.be
goonzquad (10 месяцев назад)
What about an nv5600? It grinned for a bit when using the clutch then I started rev matching without the clutch. I changed fluids and now I lost 5th gear. When I try to put it in 5th it just feels like nothings there
GearBoxVideo (10 месяцев назад)
The 5th gear fork may have broken of the dowel pin simply dropped out.
Ricardo Oscar Rodriguez (11 месяцев назад)
Me pueden recomendar un post que muestre como se "DESARMA" la caja de la Pick Up Ford F 100 de tres marcha?
GearBoxVideo (10 месяцев назад)
What year? The Toploader 3 speed can be found in any Ford Truck assembly manual.
Sixto Vasquez (11 месяцев назад)
My jetta 2001 pops back 1st gear when i step back the cluch and 5th will come loose on the freeway not really often but will stay if i CRUISE control the speed
Garrett Paul (11 месяцев назад)
HOLY SHIT what a great video!!!!!!
ThermalWedgie (1 год назад)
I've got an 03 G35 with a 6 speed manual transmission. It does something odd when I'm shifting into second gear. About 50% of the time, it'll make a an audible clunk sound, as well as a sharp notchy feel in the shift lever. I'm assuming that might be an abrupt shock from the slider and gear not being entirely synchronized? All of the other gears are quite notchy, but 2nd gear is the only one that makes this abrupt clunk. So I'm assuming the transmission is going to expire at some point in the near future, and I'll likely need to replace it.
ThermalWedgie (1 год назад)
GearBoxVideo I hadn't considered that, I flushed my hydraulics a few weeks ago and thankfully didn't notice any leaks, and from what I could see, the slave cylinder piston seemed to be extending all the way. Although, with 90k miles it certainly could be the case. This was the car I learned to drive standard on, and as most people probably end up doing, I have ground a few of the gears (light grinding, but grinding nonetheless). I have to assume that doesn't help my case at all. Of course when I first got the car, I didn't fully understand the mechanics of how to transmission works, but now that I do, I'm beginning to notice how it works. I suppose at worst case, I can buy a new updated transmission (with triple cone synchros all the way up to 4th gear) and a new clutch and flywheel, and that should remedy the problem and give me at least another 100k miles. Thank you for your input and your videos, I've learned a lot!
GearBoxVideo (1 год назад)
It sounds like a poor clutch release because you have notchy shift feel in all the gears. Poor clutch release due to bad hydraulics kills synchro rings.
Aaron Williams (1 год назад)
Oh simple question when coming to a stop does it do harm to leave the car I neutral when braking to a complete stop?
Aaron Williams (1 год назад)
I have a Genesis Coupe 2010 Track. Under warranty I have had the transmission replaced twice. The vehicle has an issue with second gear lockout in all years and models. Is there anything I can do to prolong the life of my transmission. I am moving from a dualmass flywheel to a solid and new clutch and accessories. A new stiffer transmission mount also but I haven't installed yet. Also will a thicker transmission fluid help before the synchro get worn out?
Aaron Williams (1 год назад)
First of all thank you for responding, means a lot.  What I have found is this system that is in place to encourage more conservative driving habits where a gear is locked out until the rpm's drop down to a predetermined amount and then the car will allow you to shift into the gear.  In this case it is second gear for this manual gear box that I have seen from 2010 to present model Genesis Coupe's.  I have read about it on the dodge challenger that my girlfriend is trying to buy in manual also and some other cars and is at least referred to as a gear lockout.  It seams like it is an option built into the on board computer and not mechanical, but what I have learned from you it could be bad rings not synchronizing the gear and collar but people experience this after owning a new car for a few weeks. The flywheel is worn out I can hear it clicking when I drive at low speeds around 10 mph.Also on hot days the clutch is slipping and the dealer ship will not sell the clutch without the flywheel because a dual mass can not be resurfaced and the stock flywheel is around twelve hundred dollars alone.  A single mass flywheel is a less expensive option and an aftermarket clutch kit will not work with the stock dual mass flywheel. I'm not sure where to start but the transmission has less than three thousand miles on it and I have not had any shifting issues with this third transmission yet. I want to fix the problem before it occurs this time because my warranty will be up in a year and can not just swap another transmission under warranty.  The transmission MODEL is M6VR1 I believe the M6VR2 is in the 2013 to present models.Thank you again sir.
GearBoxVideo (1 год назад)
Aaron Williams do you mean block out condition? Why would you want to change the flywheel?
2Phast4Rocket (1 год назад)
Man I love these videos that demonstrate the inner working of the transmission. While I will probably never disassemble the transmission myself, I learned a whole lot about transmission from watching your videos.
GearBoxVideo (1 год назад)
Thanks for watching!
Timothy Benton (1 год назад)
So my 4th gear it seems to throw it into gear it doesn't go smooth. I have a monster stage 2, new slave, new throwout, new master, and it also wants to get stuck in 4th after extensive driving in 4th. What would cause this I have read up and many people say synchro. Mine is a T-56 in a 2002 Camaro SS 5.7 LS1
Timothy Benton (1 год назад)
It has the stock hurst which ive read in forums has awful stops and overshifting is common when driving it hard and banging through the gears. Planned on changing it when i replaced all the other components but never got around to it unfortunately
GearBoxVideo (1 год назад)
Timothy Benton best to get ot apart first. Make sure you are using a shifter with stops
Timothy Benton (1 год назад)
GearBoxVideo do you think it would be wise while they're in there to go ahead and replace 1>2 slider and 3>4 sliders as well?
GearBoxVideo (1 год назад)
Timothy Benton when the 4th gear Synchro ring wears, it allows the strut keys to pop out behind the slider and it gets stuck in 4th so basically you should change all your synchronizer rings and possibly the three four struts
callofdutyguy9 (1 год назад)
I have new Tacoma with a 6 speed manual. A while back I was in 1st gear coasting and I wanted to shift to neutral stop and the shifter would not come out of gear and it ground when I pulled back on the stick. Clutch pedal was all the way to the floor.
callofdutyguy9 (1 год назад)
GearBoxVideo it is simple. I was driving in 1st gear, I was going to shift to neutral so I could stop, so I press the clutch pedal all the way down to shift. But when I pulled on the shifter I heard grinding and I could not get the shifter out of first gear. I had to let the clutch pedal come half way up and then press it back down completely before he shifter would move.
GearBoxVideo (1 год назад)
Sounds like a clutch release issue. Unfortunately from the description you give me its hard to diagnose this.
Joe Johnson (1 год назад)
The automobile industry never learns. They still use synchronizers which have a history of being unreliable because it's a cheap design instead of reliable dogs which are durable.
GearBoxVideo (1 год назад)
Motorcycles have very little weight and torque requirements. The Jerico Boxes on the street will not survive. I service Jerico transmissions and replace the dog systems often. The dog rings get chewed up. Dog systems are cheaper to actually produce. Benefits of face plated dog ring systems is that you will not miss a gear at any RPM. This video has a great example of the increased gap on face plated transmissions. https://www.youtube.com/watch?v=3ngXGrg6Y1s
Joe Johnson (1 год назад)
GearBoxVideo Synchronizers are cheap in quality. Jerico and all motorcycle transmissions.
GearBoxVideo (1 год назад)
Actually dogs rings are cheaper to produce but cause clunky noises in the box due the gaps they have to work with. It depends on what your are comparing this against. I'm curious as to what transmissions you know that have reliable dog ring systems. Can you name any.
k129h8 (1 год назад)
Hey man, i have a tr3550, i put valvoline synchromesh fluid in it. Tremec recommends gm synchromesh. Am i okay with the valvoline? If not, i will replace it. Its just the gm one is almost $30 a quart.
GearBoxVideo (1 год назад)
k129h8 the Valvoline works fine
Amr Shehab (1 год назад)
how long does it take to disengage a synchronizer? and how much force needed?
GearBoxVideo (1 год назад)
Amr Shehab Hi this is a pretty general question. All transmissions have different efforts and forces required
Delon Thomas (1 год назад)
Jason Gordon (1 год назад)
paul paul paul I did it man thanks, I had to break off the black plastic peace so the socket would fit over it, man did that save me a lot of work wow wow thank you thank you,GLORY BE TO GOD yyyyyeeeeehhhhaaaaawwwwww.
GearBoxVideo (1 год назад)
Jason Gordon (1 год назад)
hey paul can you change a neatrul safety switch in a t-5 while still in the car a 1991 fox body mustang.
Jason Gordon (1 год назад)
ok sounds good, thanks paul, AMEN,GLORY my friend
GearBoxVideo (1 год назад)
7/8" But you cannot use a socket because it has wires on it. If you think your switch is bad, cut the wires and try to get a think socket on it. The new switches come with a harness attached. I stock new ones that I have taken off of new transmissions, they are $18.95 plus shipping.
Jason Gordon (1 год назад)
hey paul what size socket is the neatrul safety switch
GearBoxVideo (1 год назад)
The switch is located on the top cover. It may be hard to get at. On the drivers side towards the front.
Aurel Lal (1 год назад)
chevyengine307 (1 год назад)
now that I know how it works. Can we now have a video how to take transmission apart and replace them my self
GearBoxVideo (1 год назад)
I have lots of videos. That depends on what transmission you have. Take a look at my channel!
chuck fleming (1 год назад)
Paul, I have watched you on Eric the car guy and loved that episode on transmission rebuild. I have a thunderbird sc from 1990 that I think needs rebuilt or inspected at the very least. It is an M5R2 from Mazda. I bought the car out west and when changing the fluids I found shiny metal fragments over an inch long in a circular pattern. I'm guessing 1 1/2" - 2 1/2"diameter working their way out of the drain hole. Not sure if they were spacers or what they could have been. I found a set of lined synchro's just like what was used by ford when new. I am certain you probably have an idea. Any assistance would be greatly appreciated. When I first drove the vehicle, it seemed like there was a slight grind between 2nd and 3rd gear but shifted well otherwise.
GearBoxVideo (1 год назад)
My email and contact info is all on my Youtube channel profile. Please take the time to visit it and perhaps subscribe if you already haven't. Thank you
chuck fleming (1 год назад)
Paul, I am hoping to get a couple pictures off to you. Not sure what email address you wanted me to send them to.
GearBoxVideo (1 год назад)
Hard to say without seeing a picture. Send one in my email
Arthur Rodesiler (1 год назад)
Remember the good old days when you ground every other tooth on the slinder the brass ring and the gear to make it easier to power shift? Good think were all worked at a tool and dies shop. What a time consuming job that was. I thought it would make it much weaker. The guy at the shop had a 57 chey belair  with a built 283 which he shifted at 8,000 back in the day. Ran 11.40. Never did break the tranny I could not believe it. Broke a lot of rear end axles of that losy chevy pig style rear end. So we made bigger axles and still would break the pig at times. He ran a class were you had to run the stock rear end.When he stopped running the class he put a dana 60 in it troubles were over. Stuff was so much cheaper back then. You have to make a lot of money today to do anything. Really is wrecking things.
GearBoxVideo (1 год назад)
You can purchase slick shifted gears and sliders. You don't have to do the ring because the ring is stationary with the slider and the extra teeth on the ring you'd think you'd have to grind off simply pass through the open spline. You will hold with 1/2 the teeth ( 18 versus 36 ) but the remaining teeth will just get hammered more.
nunyabiz1 (1 год назад)
Hi Paul, Watched your video, very informative, thanks. I have a Ram Truck with the Mercedes G56 in it, Factory Spec is ATF+4, but mercedes spec is Mobile Delvac Synthetic SAE 50 weight. When I put in the Delvac, I have issues getting it in to 2nd gear, even when the car is stopped, other gears are difficult but none as much as 2nd. I cut the Delvac with 40% amsoil synchromesh and that helped but it still very hard going in to 2nd. I'm thinking it's viscosity sticking the synchros? I live in the southwest so temp affecting viscosity is not an issue. Do you have any idea what is actually happening with the synchros & the gears since it all happened with the oil change? Thanks
GearBoxVideo (1 год назад)
If the vehicle is standing still and you are not moving, a synchro ring is not even being used. So something is causing a blockout condition. Maybe the new oil is making the ring stick to the gear, but I have never seen that unless the surface of the gears cone is worn.
Finn Roen (1 год назад)
I have now seen most of your videos. Very entertaining and enjoyable. Excellent work and straight to the point videos. I have visited 5speeds.com. Naturally I already have your book. Good work all of it.
GearBoxVideo (1 год назад)
Thanks for your support
slipininthedarkness I keep (1 год назад)
what's best oil for a old 84 t5 ford mustang it keeps popping out off hear could it be that a the automatic oil I put in or bad clutch adjustment?
slipininthedarkness I keep (1 год назад)
GearBoxVideo right on thanks for the reply now it's only popping out off 2nd gear you think it will last more than a year? I gust bought it on craigslist for 300
GearBoxVideo (1 год назад)
Eddie Navarro Falling out of gear is due to worn parts. Oil changes or clutch adjustment isn't going to cure that. You can use Pennzoil Synchromesh or Driven STL for a lube.
dean truax (1 год назад)
im confused about the super t10, does the super t10 have bigger gears and a smaller cone? or the st10 has slarger cone.. ?
GearBoxVideo (1 год назад)
Nothing between an ST10 PLUS or STANDARD ring will make the transmission shift any better. The "PLUS" ring strut keys are a different design and are stronger than standard keys.
dean truax (1 год назад)
GearBoxVideo what would be the advantage of a "tabbed" ring? I'm not exactly sure of the difference..
GearBoxVideo (1 год назад)
dean truax ST10 RR assemblies use a tabbed ring instead of a slotted ring. The RR ring will not make it shift any faster.
dean truax (1 год назад)
they called it a road race synchronizer assembly.. ??
dean truax (1 год назад)
so what is the difference between the super t10 plus syncros? I payed more the tranny because apparently they different and better.. I dont really want to rip apart the Trans to find out haha
damin harper (1 год назад)
THANK YOU, way better than any other video i've watched and i've watched videos on transmissions for months trying to get a solid grasp on this
GearBoxVideo (1 год назад)
Thanks for watching
Motorsickie (1 год назад)
I am just an older "shade tree " guy and want to thank you for a beautiful explanation of synchronizers . Just awesome .
GearBoxVideo (1 год назад)
347blue1 (1 год назад)
Hello   Im Jeff..  I,ve watched a couple of your videos. they are great, easy to follow, good pics.I have a question about my TKO 500.  When I coast toward a stop and put it 1st keep the clutch down I get some drag in gear. Its hard to pull out of 1st. If I coast toward a stop in 2nd its fine, I can go to 1st and no drag. What might cause this.Thank You !!
GearBoxVideo (1 год назад)
Its the ratios and the rings not being able to stop the gear
Tyler Sevrens (1 год назад)
Hi Paul - thank you for all the videos - as well the series with Eric on tear down and rebuild of the T5 WC. I have sent Eric a question about the 4th synchro ring.. we have our T5 just about ready to be sealed up but when I look at the 4th synchro ring the inner portion (which has the little 'brake' like pads encircling it) - I notice a few of them look chewed up or worn down. Should we be replacing this ring or could we get away with using it until we can do a complete rebuild of the T5? Thanks in advance for any input you may have. Tyler. PS - love the video on sealing up the T5! Totally helpful and I would have done this incorrectly.. so appreciate all your experience on this. We are putting the 302 HO into a '92 BMW 318is.. quite the swap!
Tyler Sevrens (1 год назад)
i believe it does.. that's helpful to know and will get'r all back together! Cheers!
GearBoxVideo (1 год назад)
Tyler Sevrens thanks for watching. Basically if the ring still has height between itself and the gear usually .020 to. 030 you're OK
Bali Mohamed (1 год назад)
only understending to me
Shelby Hazzard (1 год назад)
Do you have one of actually pulling a transmission out of an old willys?
GearBoxVideo (1 год назад)
No I don't. What kind of Willys?
Shelby Hazzard (1 год назад)
Paul, are you still making videos?
GearBoxVideo (1 год назад)
Of course... new one coming up this weekend. I wish I could spend more time on videos but I have a huge backlog of work.
agt155 (1 год назад)
You've done this before.
GearBoxVideo (1 год назад)
Just a few times...
engine aissa (1 год назад)
Good. Thanks
GearBoxVideo (1 год назад)
Your welcome!
abuagla blola (1 год назад)
goooooood man .
Vinay Kumar (1 год назад)
Hello Great Video btw ! I have an issue when car is in running it couldn't downshift from 3rd or 4th or 5th to 2nd and 1st.. So i cant downshift either to first or 2nd while in running. I have to stop car or near to idle then need to shift to 1st gear by double pressing the clutch then 2nd gear , then works like butter 3,4,5. So whats the problem and what to repair/replace. Mine is suzuki swift Vdi 2013 1.3L diesel engine, manual transmission , front wheel drive. And i am from India. I need a suggestion as quick as possible.
Chad Schneider (10 дней назад)
Clutch pedal free play is an easy way to determine the clutch is realeasing fully...first step anyhow. If there isn't throw out bearing or fork issues...."bent or popped off"..it should tell ya exactly how far its realesing. For example if .75" to 1.25 is pedal free play. And at that setting you have 6 inches of travel . And there is2.25" of free play.instead of 1"....that is a total 4.75 inches....or only 80 ish% of the total throw...one inch less or 5.75" of total throw brings you to 96% of the total....it is my expiernce that you need 90% or more for the clutch to still disengage enough. ......approximately!...all you fuckers....lol....idk...I have issues hhahaha
Nega Gobazie (3 месяца назад)
GearBox Video
Dave Jones (11 месяцев назад)
Vinay Kumar💖
Dave Jones (11 месяцев назад)
GearBoxVideo uj0nt
Dave Jones (11 месяцев назад)
Vinay Kumar 9br o
Tony Strange (1 год назад)
Your expertise has really paid off for me, I noticed after I reassembled my main shaft on my Muncie that the front synchro/gearset was frozen up, so I popped the snap ring off, pressed the assy off and found out the synchro was one of the wide setups, unlike the other set, so I grabbed the old synchro rings I removed and put the shorter set back on.Teeth were good, so all is well. Im glad I bought your book and watched all of your Muncie videos. Keep up the good work! Oh yeah, thanks for a quality rebuild setup too. :)
GearBoxVideo (1 год назад)
Thanks for the feedback. Much appreciated.
Marni Damoulakis (1 год назад)
I've just blown first gear in my truck and didn't know what it meant to stuff the synchros Thank you for uploading this, I now understand, pretty important when you're a car chick 👌🏽
Marni Damoulakis (1 год назад)
It's a 1991 Toyota 4Runner RV6
GearBoxVideo (1 год назад)
Marni Damoulakis what make model truck?
Maaden Engineering (1 год назад)
great video and great explanation. I have much end play at the out put shaft. and clunk while shifting. any idea? thanks
GearBoxVideo (1 год назад)
What kind of transmission?
drewster956 (1 год назад)
great explanation , thank u for taking the time to clear this up for lots of us
GearBoxVideo (1 год назад)
Thanks for watching
Jerry Uttrachi (1 год назад)
Great video, even with 3 degrees in engineering, 2 mechanical, engineering, had to watch 2 times to catch it all! Well worth the time.
GearBoxVideo (1 год назад)
Appreciate that.
isuzu dmax (1 год назад)
Thanks best explenation i have seen
GearBoxVideo (1 год назад)
thanks for watching
Ravi Ravi (1 год назад)
Ravi Kumar

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