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Grinding vibration noise when transmission is put into reverse

Tiny
CARDEALLLACKEY
  • MEMBER
  • 2007 PONTIAC GRAND PRIX
  • 15,000 MILES
I have the car listed above (GT model) just had a hydraulic engine mount put on and the car makes a funny noise when you put it in reverse. It is like a grinding vibration type noise. When it’s in park the car is kind of facing down wards it makes the same noise.
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Thursday, July 18th, 2019 AT 7:59 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
There are upper strut mounts on the engine and 2 lower engine mounts to support the engine.

https://www.2carpros.com/articles/how-a-motor-mount-works

https://www.2carpros.com/articles/replace-motor-mounts

If any of them are worn, it will make this noise.

https://www.2carpros.com/articles/vibration-noise

Was this noise present before the repair? Can you please shoot a quick video with your phone so we can hear the noise? that would be great. You can upload it here with your response.

Roy
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Saturday, October 10th, 2020 AT 6:29 AM

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