Humming/roaring noise when accelerating

2011 CHEVROLET IMPALA
150,000 MILES
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JBAKER72
  • MEMBER
  • 7 POSTS
Daughter had motor mount replaced now when and only when she uses accelerator car makes a humming/roaring sound.
Jul 17, 2018 at 6:50 AM
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,176 POSTS
It sounds like they got the wrong mount or have installed it wrong. I can be sure if you make a quick video and upload it here to the site. It sounds like the engine it touching the subframe.

Please let us know what happens.

Cheers, Ken
Jul 18, 2018 at 5:51 PM
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