While driving and I drive over a bump the doors will lock and unlock repeatedly while the RPMs increase without the car gaining speed

Tiny
VOOMVOOM93
  • MEMBER
  • 2017 CHEVROLET CRUZE
  • 1.6L
  • 4 CYL
  • TURBO
  • 2WD
  • MANUAL
  • 132,000 MILES
When I’m driving down the road. I’ll have to use the positive and negative buttons on my gear shift to help it not shift so hard at times. All this started after my transmission was rebuilt.
Friday, July 1st, 2022 AT 8:59 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,057 POSTS
It sounds like they left one of the grounds off when they put the car back together. Here are the ground locations so you can check it out. Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Saturday, July 2nd, 2022 AT 1:26 PM
Tiny
VOOMVOOM93
  • MEMBER
  • 3 POSTS
This is what was done to my car. I was told they replace my transmission with another rebuild transmission. I’ll upload a video of what my car is doing.
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Saturday, July 2nd, 2022 AT 9:34 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,057 POSTS
Okay, yep, they could have left a ground wire off, I would take it back to see what they say or take it to a new shop for a second opinion. (This shop seems to be doing a lot of work). Let the new shop know the work that was done, let me know.
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Sunday, July 3rd, 2022 AT 12:27 PM

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