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Chevrolet Corvette Transmission Problems

90 messages,  Last post on Oct 26, 2009 at 8:05 PM

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What is this discussion about? Chevrolet Corvette, Coupe, Convertible


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#67 of 90
2008 Corvette Automatic Trans Problem by realtime
May 29, 2008 (9:54 am)
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I just hit 2000 miles on my 2008 Automatic Transmission. I'm not sure how to describe the problem other than the fact that there seem to be "gaps" in the shifting patterns in full automatic mode in drive. To start with when I start the car and back up and then go from reverse to drive , or from park to drive , there is a delay or gap for the transmission in drive to kick in with a feeling like a thud. If I'm in very slow moving traffic , like in a school zone at 15-20 mph, as I take my foot on and off the accelerator to maintain a slow speed when I touch the accelerator the transmission feels loose and these gaps occur which again almost feel like thuds. If I'm slowing down lets say from 40 or 50 mph down to 20 or so to go into a turn and then make the turn and acccelerate to pick up speed again there is another sort of gap where the transmission almost feels like it is having to "catch up" with the engine. Actually, in all of these "gap" like situations it does feel like the transmission is out of sync and is having to again "catch up" with the engine revs. There are no problem noises whatsoever. The "select" mode works perfectly with the paddle shifter. But in drive I have these problems. Has anyone else experienced any similar problems at all ? I have not taken it to the dealer service department as yet. I thought perhaps it might correct itself as the car was "breaking in" but it hasn't.
#68 of 90
Transmission by beachguy
May 30, 2008 (4:14 pm)
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My 08 does the same thing. I posted the question on the corvette mechanic site and was told that , what is called the garage shift ,is normal. I also notice a thud when slowing and them accelerating. I may get it checked by the dealer at the next service.
#69 of 90
Transmission by cfm
Jun 21, 2008 (1:22 pm)
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I own a '63 Chevrolet Corvette Stingray with a 4 speed manual hurst linkage....it's stuck in 1st gear....the clutch seems to be O.K....do I need to put it up on a rack 1st and remove the gear box??
do you think it's the gears???...any help would really be great today..
Thanks,
Marty
#70 of 90
Re: Transmission [cfm] by fedlawman
Jun 22, 2008 (6:52 am)
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Replying to: cfm (Jun 21, 2008 1:22 pm)

I'd get underneath the car and check (and hope) that maybe it's just the linkage that is jammed or disconnected somehow.
 
If it's not the linkage, then it's probably time for a new, rebuilt, or used transmission.
#71 of 90
Re: Transmission [fedlawman] by cfm
Jun 22, 2008 (5:42 pm)
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Replying to: fedlawman (Jun 22, 2008 6:52 am)

O.K. I'll do that......as soon as I can find some time...been working lots of Overtime.....thanks for replying...let you know when I find out...probably tomorrow morning..............
Marty
#72 of 90
Re: Transmission [cfm] by fedlawman
Jun 23, 2008 (11:07 pm)
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Replying to: cfm (Jun 22, 2008 5:42 pm)

Good luck Marty. Your post caught my eye because my 1988 BMW's manual transmission stuck in 5th gear just last week. I was just upshifting on the freeway when all of a sudden, "CLUNK!" and the shift lever wouldn't budge into gear (but the transmission fortunately made it into 5th). I too hoped it was the linkage, but no such luck for me.
 
Your car has a good enthusiast network and you have the benefit of it being a well supported GM product. I'm confident you'll be able to find a good used transmission from a Corvette club member somewhere if it turns out you need one.
#73 of 90
Re: Transmission [cfm] by yellowvette
Jun 24, 2008 (9:00 pm)
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Replying to: cfm (Jun 21, 2008 1:22 pm)

Marty, Some older cars were well known for getting stuck in gear. alot of the problems were not the transmission but the adjustment of the shifter. Some had to be aligned. check with hurst at www.hurst-shifters.com. They should be able to tell you the way to correctly make these adjustments. I would try this before pulling tranny out.
#74 of 90
Re: 2008 corvette 6 speed problems [mog8] by hm111
Nov 21, 2008 (12:06 am)
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Replying to: mog8 (May 22, 2008 7:04 pm)

I have the same 'washboard' transmission problem described in your post mog8. Where do i view bulletin 2073364 you mentioned in your post? Can you provide a link for that and the corvette forum you mentioned. My C6 is 2 mos old and I'm annoyed that it has a mechanical issue already. Thanks.
#75 of 90
Re: 2008 corvette 6 speed problems [hm111] by yellowvette
Nov 21, 2008 (7:23 pm)
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Replying to: hm111 (Nov 21, 2008 12:06 am)

Go to---- www.alldatadiy.com
You can view recall's and service bulletin's and other info on cars and trucks for free. Hope this helps you.
#76 of 90
Re: 2008 Corvette Automatic Trans Problem [realtime] by seanbgky
Dec 02, 2008 (12:54 pm)
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Replying to: realtime (May 29, 2008 9:54 am)

I get the same problem. I have a 2008 that is 5 months old w/1500 miles. I too thought it would correct itself, but it only seems to be getting worse. Yesterday it was raining and cold. Every thud and every catch up caused me to spin.......
I am having problems with my paddle shifter as well. from 1st to 2nd at 5000-6000 rpms the car will NOT shift without my foot coming off the gas. I get a 1 for first gear then X comes up.
 
The dealership I have taken the car to passes everything off stating the car checks out fine.....no codes. GM right now doesn't want to pay any money to fix this issue. I get the 'under normal driving conditions the car is functioning perfect'. Those aren't normal conditions.
 
Needless to say I'm hot about this. The dealer and GM doesn't seem to care. Does anyone have any suggestions?

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