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1999 Saturn SL2 Vibrations.

Tiny
EXMACHINA
  • MEMBER
  • 1999 SATURN SL2
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 171,000 MILES
When I start my car and put it into reverse, neutral or park it vibrates. When slowing down the revs will jump as the car downshifts.

I was told the vibration could be from transmission mounts. Would replacing them be a logical plan or is there something wrong with the transmission?
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Monday, July 5th, 2010 AT 6:21 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
If your car vibrates in park also and your engine run's smooth and not missing then the first mount I would look at is your upper motor mount real common for them to go bad they support all the weight of the engine. Then if it vibrates in gear then I would be looking at the lower transmission mount pretty common for them to go bad as well they support all the weight of the transmission. Also go to a auto part's store like auto zone and have your car scanned for codes if you have any let me know the code number's.
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Monday, July 5th, 2010 AT 7:33 PM
Tiny
EXMACHINA
  • MEMBER
  • 2 POSTS
Just got back from having it scanned they say it came up clean but the service engine light is on it has 171000 miles and has only has oil changes and spark plug replacement.
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Monday, July 5th, 2010 AT 8:00 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
If the service engine soon light is on then there should be at least one code.
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Tuesday, July 6th, 2010 AT 11:32 PM

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