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1991 Saturn SL1

Tiny
SAT91
  • MEMBER
  • 1991 SATURN SL1
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 210,000 MILES
The engine of my saturn continually runs rough.   There is no loss of power or performance at any speed.   When shifting from neutral to drive the roughness increases.   Similarly the rough running reduces when shifting from drive or reverse to neutral.
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Saturday, August 7th, 2010 AT 12:59 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So let me get this straight it the rpm's stay steady you just have a vibration?
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Saturday, August 7th, 2010 AT 1:14 PM
Tiny
SAT91
  • MEMBER
  • 2 POSTS
There is no change in the performance of the engine.
The vibration increases in its frequency, but there is no change in amplitude with increased engine speed.
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Saturday, August 7th, 2010 AT 1:38 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Alright if it vibrates in gear I would suspect you have a bad transmission mount.
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Sunday, August 8th, 2010 AT 12:26 AM

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