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Transmission Gears Stripped...? This Cant Be


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Any mechanics want to advise me on this situation....?

 

Bought my 2011 in Oct 13 with 16K miles, very clean in and out. In Dec I was confident enough to finally get the car into boost and noticed the clutch slipping. Brought back to dealer because its under warranty and they replaced the clutch at 17,000 miles.

I have been enjoying the car thoroughly, but not abusing it by any stretch and had a squeak develop over last few weeks when I would put car in neutral at a stop light. I found it would go away when I would step on the clutch and had to some times double clutch for the noise to stop. No noise at speed, car driving fine...had the 1-2 grind but was better after the clutch change. I only ever got the grind when car was cold, and its almost always warm in Phoenix so this rarely happened.

 

Brought back to dealer at 28,000 miles for what I thought would be a bearing or something similar and they called me an hour later saying the transmission fluid was full of metal and things not looking good. They asked if I drive the car with my hand on the stick shift all the time. I say no. They say they opened transmission and all gears are stripped except for reverse...Car is under warranty so no worries, but first day it sure felt like I was being blamed for being a piss poor driver. Two days later i get a call and everything is different as they say they are def getting this fixed for me and sorry for the inconvenience...they will replace transmission outright if the parts to totally rebuild are not available. A week ago they said the parts were on site and they would start to rebuild on Monday after the holiday. On Tuesday I was told they were putting everything back together but had to take measurements and then order shims and that would take a day or so to arrive. Today (Thursday) they said the car was done and was being test driven, but would need another day because they need a reverse switch and that will be here tomorrow.

My problem is I have been asking what the root cause was for this failure and they are saying they don't know.

My question is isn't it apparent if the damage is a manufacturing defect, a clutch problem, or driver input error ?

 

I have been driving manual transmission cars since I am 14 and have had no issues with driving this car, even with what they are saying was a totally shot transmission. I can only guess that the original owner had damaged the transmission while also destroying the clutch, or that the clutch was not installed or adjusted correctly ? and then i would have been causing the damage without knowing or feeling it ...? I don't ride the clutch pedal, careful with timing no grinding gears etc..I don't drag race or powershift...

 

This causes some stress because if the clutch work has caused the transmission damage, then I am terrified to have had the transmission rebuilt by the same place. And I am not feeling all warm and fuzzy over their answers as to not knowing what the original cause was.

 

Any mechanical advice greatly appreciated, already looking at 2014's though...May just be time to trade up

 

Thanks,

 

Matt

 

 

 

 

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According to the dealer tremec doesn't have any available...? they would have had to pull one from the production line and said if the rebuild parts could be found that was their preferred way to go. I def wanted the new tranny entirely as opposed to rebuilding but since they are paying they had final say

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Wow that really sucks man but 28k mileage on the transmission and its stripped tells me it was either very abused before you got (possible but hard to believe) it or manufacturing defect.

 

I would go with the defect.

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  • 3 weeks later...

We had a similar problem with our 2010, though it wasn't all the gears, just half of them... In our case the forks had gotten misaligned (probably from manufacturing) and slowly got more mangled and in the process stripped all the odd gears and most notably reverse. Pretty sure the car wasn't driven too hard before we had it, since we know most of it's history. The dealer (and this was at a dealer whose service department I trust) actually recommended rebuilding the tranny instead of outright replacing it, even though both were an option, because there'd been so many issues with the GT500 transmissions from the factory, and they replaced every part with any sign of wear all under warranty. Been almost a year since with no issues, not even a hint of the 1-2 grind as long as the car's warmed up. Admittedly it doesn't get driven as much now that we have the '14... but it did go to Vegas and back for the Shelby Bash and 50th celebration right after the work was completed so it got a couple thousand miles of break-in time right away.

 

As far as trading up ... There's a lot of noticeable improvements in the '14, above and beyond the extra herd of horses under the hood :shoppingcart_:

I'd recommend test driving one to see for yourself, but be prepared to pull the trigger :spend:

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I had quite a few problems with my 2010 Transmission. I had a thread on the 3 fixes Ford did, then finally bought new parts and fixed it myself. What I found is that there were a number of 10 and 11 GT500 6060 Tremec transmissions that had issues due to misalignment and install error by Tremec. Have seen a handful of 10-11's with these problems. Another option is to Upgrade to a Tremec Magnum XL and you never have to worry about tranny issues ever again.

 

Alex

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This car has a lot more power since the repair, now I wish i would have Dyno'd it and maybe that would have shown the problem earlier...

 

Thanks for the input guys, I had no clue there were any issues with these transmissions so figured I just got the one that got abused. I am still concerned especially since Alex says it took 3 rebuilds to get it done right, but the car does not 1-2 grind anymore and shifts nice and smooth. I am covered under warranty for 1 more year so, will either be picking up a low miles 2014 or will be ordering the new GT500 once it gets announced, just not sure I can wait that long...

 

For reference if anyone is having these issues I have included the invoice below

 

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Any mechanics want to advise me on this situation....?

 

Bought my 2011 in Oct 13 with 16K miles, very clean in and out. In Dec I was confident enough to finally get the car into boost and noticed the clutch slipping. Brought back to dealer because its under warranty and they replaced the clutch at 17,000 miles.

I have been enjoying the car thoroughly, but not abusing it by any stretch and had a squeak develop over last few weeks when I would put car in neutral at a stop light. I found it would go away when I would step on the clutch and had to some times double clutch for the noise to stop. No noise at speed, car driving fine...had the 1-2 grind but was better after the clutch change. I only ever got the grind when car was cold, and its almost always warm in Phoenix so this rarely happened.

 

Brought back to dealer at 28,000 miles for what I thought would be a bearing or something similar and they called me an hour later saying the transmission fluid was full of metal and things not looking good. They asked if I drive the car with my hand on the stick shift all the time. I say no. They say they opened transmission and all gears are stripped except for reverse...Car is under warranty so no worries, but first day it sure felt like I was being blamed for being a piss poor driver. Two days later i get a call and everything is different as they say they are def getting this fixed for me and sorry for the inconvenience...they will replace transmission outright if the parts to totally rebuild are not available. A week ago they said the parts were on site and they would start to rebuild on Monday after the holiday. On Tuesday I was told they were putting everything back together but had to take measurements and then order shims and that would take a day or so to arrive. Today (Thursday) they said the car was done and was being test driven, but would need another day because they need a reverse switch and that will be here tomorrow.

My problem is I have been asking what the root cause was for this failure and they are saying they don't know.

My question is isn't it apparent if the damage is a manufacturing defect, a clutch problem, or driver input error ?

 

I have been driving manual transmission cars since I am 14 and have had no issues with driving this car, even with what they are saying was a totally shot transmission. I can only guess that the original owner had damaged the transmission while also destroying the clutch, or that the clutch was not installed or adjusted correctly ? and then i would have been causing the damage without knowing or feeling it ...? I don't ride the clutch pedal, careful with timing no grinding gears etc..I don't drag race or powershift...

 

This causes some stress because if the clutch work has caused the transmission damage, then I am terrified to have had the transmission rebuilt by the same place. And I am not feeling all warm and fuzzy over their answers as to not knowing what the original cause was.

 

Any mechanical advice greatly appreciated, already looking at 2014's though...May just be time to trade up

 

Thanks,

 

Matt

 

 

 

 

 

I'll put money on it that they drained the trans when they put the clutch in and never refilled it.

 

 

Phill

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Glad you got it fixed. Hopefully it will hold up. My 2010 started grinding between 1st and 2nd with in 200 miles. After the 3 Ford fixes, I ended up talking to a friend from Tremec that recommended the Viper carbon fiber synchros and billet shift forks, which I ended up doing. No problems after, even with multiple track sessions and drag strip passes with drag radials (never did that before my upgrades) Added a Kenne Bell 3.6 LC too. No problems with over 700 RWHP. As far as a 14 vs your 11. Hate to say it, but it is night and day.....Don't get me wrong, I love all Shelby's and appreciate them for what they were and what they are, but the 13-14's are incredible, right out of the box with very little needed for improvement....

 

Alex

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  • 2 weeks later...

 

I'll put money on it that they drained the trans when they put the clutch in and never refilled it.

 

 

Phill

Holy shit I never even thought about that...tranny could still shift w no fluid...?? Would def explain their change of heart about blaming me though.

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Glad you got it fixed. Hopefully it will hold up. My 2010 started grinding between 1st and 2nd with in 200 miles. After the 3 Ford fixes, I ended up talking to a friend from Tremec that recommended the Viper carbon fiber synchros and billet shift forks, which I ended up doing. No problems after, even with multiple track sessions and drag strip passes with drag radials (never did that before my upgrades) Added a Kenne Bell 3.6 LC too. No problems with over 700 RWHP. As far as a 14 vs your 11. Hate to say it, but it is night and day.....Don't get me wrong, I love all Shelby's and appreciate them for what they were and what they are, but the 13-14's are incredible, right out of the box with very little needed for improvement....

 

Alex

Thx Alex. Yeah I asked about them installing the upgraded synchros etc. but they said they only do what Ford specifies...So Im hoping for the best. Couldn't agree more about the cars though, I'm looking for a 14 to turn up in my area still and just cut my losses on this car.

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