Transmission Problems
Thread Starter
Advanced
Joined: May 2013
Posts: 76
Likes: 39
From: San Diego
Transmission Problems
Love my 2024 Z51 but at 6,600 miles the transmission started to clunk and slip when downshifting with the paddles. Still under warranty but I have to deal with my local dealership AND GM. Been in the shop for 2 weeks already. The dealership predicts 3-4 weeks to get it fixed!
GM is definitely slowing down the process. Cannot decide whether they will change the transmission for a new one or rebuild the existing. They have already tried a software "upgrade"...no improvement. 95K for a car and this is the level of service you get. Any suggestions to expedite this process? Should I insist upon a new transmission? (This is my 4th Vette) 🧐
GM is definitely slowing down the process. Cannot decide whether they will change the transmission for a new one or rebuild the existing. They have already tried a software "upgrade"...no improvement. 95K for a car and this is the level of service you get. Any suggestions to expedite this process? Should I insist upon a new transmission? (This is my 4th Vette) 🧐
Thread Starter
Advanced
Joined: May 2013
Posts: 76
Likes: 39
From: San Diego
Just contacted Chevrolet Customer Care 1-800-222-1020
The rep said she is "escalating" it to a higher response level which will include getting some regional advisor involved who
will be contacting me within 2 business days. I do believe my local Chev Dealer is chaotic and partially responsible but I also believe
GM is incredibly slow at fixing these known problems.
I'll report back if Customer Care Services does any good.
Thanks again Rick.
The rep said she is "escalating" it to a higher response level which will include getting some regional advisor involved who
will be contacting me within 2 business days. I do believe my local Chev Dealer is chaotic and partially responsible but I also believe
GM is incredibly slow at fixing these known problems.
I'll report back if Customer Care Services does any good.
Thanks again Rick.
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Thread Starter
Advanced
Joined: May 2013
Posts: 76
Likes: 39
From: San Diego
Customer Care should be relabeled Customer Abuse. They said it's not unusual to take 4 weeks to fix a transmission on a 95K car with less than 7K miles. Customer Abuse administrator said the problem is that it doesn't fit my time frame! What? The real problem is GM is slow to respond, many Chev dealer repair shops do not have needed parts on hand for known problems. Bottom line, they don't give a dit about their customers. I've owned 4 Corvettes and this will most certainly be the last one. Buyer beware...their warranty is only a piece of paper and GM Dealerships are nowhere near the service quality of a Lexus or Honda.
Race Director
Joined: Aug 2016
Posts: 12,889
Likes: 10,295
From: Garden Valley CA
Customer Care should be relabeled Customer Abuse. They said it's not unusual to take 4 weeks to fix a transmission on a 95K car with less than 7K miles. Customer Abuse administrator said the problem is that it doesn't fit my time frame! What? The real problem is GM is slow to respond, many Chev dealer repair shops do not have needed parts on hand for known problems. Bottom line, they don't give a dit about their customers. I've owned 4 Corvettes and this will most certainly be the last one. Buyer beware...their warranty is only a piece of paper and GM Dealerships are nowhere near the service quality of a Lexus or Honda.
Race Director
Joined: Mar 2001
Posts: 19,997
Likes: 6,805
From: Bonneville Salt Flats
Welcome to the club (not). Do an "Advanced search" here and read others experiences, many similar. We are at GM's beck & call for such matters, not only regarding just issues with the wonky transmission. Relax... and, best of luck. 
Instructor
Joined: Mar 2016
Posts: 143
Likes: 145
From: St. Augustine, FL
My 2024 was at the dealer for 42 days and they replaced the clutches rather than the transmission. My symptoms were the same as many have had in that it would buck and shake when stopping just as you would expect a manual transmission with crap on the clutch to act. So far it is fine after the repair, but I have initiated a lemon law claim. So far they keep offering insufficient money but no buy back nor an amount to make me feel less concerned when it goes out again. I have no faith in *this* transmission. It went in the shop with around 9,000 miles and am now at almost 12,000 miles.
I have asked them to replace the car or give me a reasonable amount of cash and an extended warranty. My lawyer, who has dealt with GM before said they will absolutely not give me an extended warranty, so I asked for more money and will buy my own GM extended warranty.
I have asked them to replace the car or give me a reasonable amount of cash and an extended warranty. My lawyer, who has dealt with GM before said they will absolutely not give me an extended warranty, so I asked for more money and will buy my own GM extended warranty.
Intermediate
Joined: Mar 2025
Posts: 38
Likes: 12
From: Los Angeles CA
Hey brother, I feel your frustration. I’ve got a 2025 C8 Stingray, purchased in March this year, and only a few weeks into ownership I started having transmission issues. Dealer told me it was “driving error.” I’ve only noticed it in LA’s bumper‑to‑bumper traffic when I’m at a complete stop and then give it gas. Never happens during normal cruising, just in those stop‑and‑go situations.
Hope everything goes well.
Hope everything goes well.
Drifting
Joined: Aug 2022
Posts: 1,907
Likes: 791
From: Stamford, CT
What kind of 'driving error'?
Hey brother, I feel your frustration. I’ve got a 2025 C8 Stingray, purchased in March this year, and only a few weeks into ownership I started having transmission issues. Dealer told me it was “driving error.” I’ve only noticed it in LA’s bumper‑to‑bumper traffic when I’m at a complete stop and then give it gas. Never happens during normal cruising, just in those stop‑and‑go situations.
Hope everything goes well.
Hope everything goes well.
Drifting
Joined: Aug 2022
Posts: 1,907
Likes: 791
From: Stamford, CT
An extended warranty on the DCT would be acceptable by me
My 2024 was at the dealer for 42 days and they replaced the clutches rather than the transmission. My symptoms were the same as many have had in that it would buck and shake when stopping just as you would expect a manual transmission with crap on the clutch to act. So far it is fine after the repair, but I have initiated a lemon law claim. So far they keep offering insufficient money but no buy back nor an amount to make me feel less concerned when it goes out again. I have no faith in *this* transmission. It went in the shop with around 9,000 miles and am now at almost 12,000 miles.
I have asked them to replace the car or give me a reasonable amount of cash and an extended warranty. My lawyer, who has dealt with GM before said they will absolutely not give me an extended warranty, so I asked for more money and will buy my own GM extended warranty.
I have asked them to replace the car or give me a reasonable amount of cash and an extended warranty. My lawyer, who has dealt with GM before said they will absolutely not give me an extended warranty, so I asked for more money and will buy my own GM extended warranty.
Drifting
Joined: May 2005
Posts: 1,563
Likes: 334
From: Indianapolis Indiana
Hey brother, I feel your frustration. I’ve got a 2025 C8 Stingray, purchased in March this year, and only a few weeks into ownership I started having transmission issues. Dealer told me it was “driving error.” I’ve only noticed it in LA’s bumper‑to‑bumper traffic when I’m at a complete stop and then give it gas. Never happens during normal cruising, just in those stop‑and‑go situations.
Hope everything goes well.
Hope everything goes well.
My wife and I are old and the last thing we need is to be stranded somewhere in the heat! I have no confidence in the car at all even though it's running perfectly now.
Intermediate
Joined: Mar 2025
Posts: 38
Likes: 12
From: Los Angeles CA
or someone hitting you from behind on a dead stop
Last edited by G3meni; Aug 1, 2025 at 06:46 PM.