2015 Chevrolet Corvette: jerking or lurching

Filed Apr 14, 2025 · Transmission · IL

Torque converter shudder and noise (definitely and issue related transmission). Around 1,500 RPM the vehicle starts to experience the shudder, shaking, and noise. Additionally there is a feeling of a surge in power, like if the vehicle shifts to an upper gear un intentionally, the vehicle launches forward occasionally (lurching forward). There is absolutely no issue while the vehicle idles, not at low or high RPM. The issue only occurs while the vehicle is in motion and at around 1,500 RPM. Using a V4 to V8 delete (Range Technology RA003B AFM/DFM Disabler) helps the issue significantly but it's still an issue. If that disabler is removed the issue is extremely pronounced. I purchased this vehicle as a used vehicle. I wouldn't have purchased the vehicle if I had the slightest idea of such a major issue with the vehicle.

Filed Jul 26, 2018 · Transmission · 7,121 miles · FL

2015 corvette stingray z51 - 8 speed automatic transmission torque converter. With only 7,500 miles on the car it started to run jerky and rpms would fluctuate for no reason (especially at highway speeds when fully warmed up). Often felt like driving on a washboard dirt road. After a cold start, there was a delay after shifting into drive. When it engaged after several seconds it would do so violently, lurching the car forward suddenly. Dealer diagnosed faulty torque converter as defective and a known problem with these transmissions. After less than 2,000 miles the symptoms returned and the dealer again replaced the torque converter. So now I'm on my 3rd defective tc. After 1,700 miles, symptoms returned again! Dealer said that chevrolet and gm have ordered a stop on replacing the tc's since no fix was available. Gm advised to drain and flush tranny, refilling with mobil1 transmission fluid. This seemed to work (only for a little longer) but is worrisome because in the future service, a technician will likely refill with gm fluid, not mobil1. Especially if a second owner. Now at 16,100 miles the symptoms are returning! Jerkiness, slamming into gear after a delay on cold starts. Gm seems to have turned their back on stingray owners by kicking the can down the road beyond warrantee (with the mobil1 "band-aid fix"). On the forums there are so many owner complaining about this same issue. I am amazed that there is no official investigation resulting in a recall. This z51 lt3 stingray was $75,000 otd! For this cost we should be able to expect a quality vehicle and a motor company that stands behind it! Can somebody please help us with this serious and potentially dangerious problem?

Filed Jun 7, 2018 · Transmission · GA

I had my vehicle serviced at dan vaden chevrolet in savannah, ga on 16 oct 2017 at (12,200 miles). My main concern was a shudder and jerky motion the car starts demonstrating while in motion, accompanied by fluctuating engine rpms. After researching on the internet there are 1000's of issues with these torque converters and who knows what accidents these failures have caused. There should be a total recall on these transmissions. A service department technician test drove my vehicle and confirmed and documented my concerns and stated it was okay to drive ? I am scheduling another service at (13000 miles). A search of the internet will fill you full of facts on these failures. Problems with the torque converters with these high end vehicles are well on the way to become another corvette issue of epidemic proportions. Please assist.

Filed Apr 29, 2018 · Transmission · 19,600 miles · FL

Please see snip from http://corvettec7fiasco.blogspot.com/2016/02/thousands-of-2015-and-2016-chevrolet.html thousands of 2015 and 2016 chevrolet corvette c7 stingray and c7 z06 with defective 8l90 8-speed automatic transmission, with no help from general motors for the owners back in 2014, this blog predicted a variety of problems related to then upcoming 8l90 transmission, one of those sounding on paper ideas, as long as the execution delivers on the promises. So far, the variety of problems related to the new +general motors 8l90 eight speed automatic transmission was already mind boggling: from expected overheating issues, failing flex plates, variety of leaks and software related issues, all the way to right down scary cases of transmission voluntarily "inspiring" new corvettes to rev up and attempt to take off. However, what was missing were the problems with the torque converter. Apparently, this is no longer the case and in fact, the torque converted problems are well on the way to become another corvette issue of epidemic proportions, further eroding already weak faith the hardcore corvette buyers may have in +general motors and the ever popular +tadge juechter . As expected, the undersized and high spinning torque converter issues manifest themselves in a shudder and jerky motion the car starts demonstrating, accompanied by fluctuating engine rpms. However, here lies the big problem: the same symptoms can be easily associated with the ever popular afm forcing the newest corvette into 4 cylinder mode. There are 1000's of issues with these torque converters and who knows what accidents these failures have caused. My car is in the shop for 1 week for the repair, thank god it was covered by warranty.. There should be a total recall on these transmissions.. A search of the internet will fill you full of facts on these failures.

Filed Aug 8, 2016 · Transmission · 9,300 miles · TX

The a8 automatic transmission in the 2015 corvette is prone to occasional hard downshifts from 2nd to 1st gear when driving at slow speeds (less than 10 MPH). Sometimes the downshifts are so violent that the car jerks forward several feet. The first time it happened I thought I had been rear ended by another car. The unpredictable behavior of the transmission is especially dangerous in proximity to pedestrians or other vehicles.

Filed Aug 8, 2016 · Transmission · 17,000 miles · TX

Automatic a8 transmission has the following issues: 1)morning shift from reverse to drive severely delayed, bangs in eventually. 2) erratic shifting in normal traffic 3) the 2-1 downshift when coming to a stop results in severe bang, lurches forward and is very unsafe in a parking lot situation. Also in stop and go traffic, same lurching forward. Feels as if someone hit you from behind 4) torque converter lockup in 5th and 6th gear. Dealer tore apart the car to replace the stator, performed software update - neither solution worked.

Filed Oct 12, 2014 · Engine, Fuel system · 400 miles · PA

At any speed the car jerks like one or more spark plug wires are not firing(pulled off) in all modes, it is worse in (e economy mode) push the gas down it gets worse in all modes. I replaced the plugs and wires I still have this problem, I was hoping it was a bad plug or wire, that happens. I took it to the dealer when the check engine light came on I pulled the fuse for the exhaust valves to keep them open they checked then tested the car and told me it was fine no other codes were found. I have 1800 miles on the car now I tried every 93 octane fuel available in this area and other areas, hoping it was just bad fuel that many stations can't have bad fuel for it to be fuel related.