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2003 Ford Focus car shakes

Tiny
HECTOR BRAVO
  • MEMBER
  • 2003 FORD FOCUS
  • 2.0L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 106,000 MILES
Car shakes when the A.C is turn on.
Saturday, May 24th, 2014 AT 4:35 PM

4 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
The AC adds additional load to the engine so some vibration is expected. Check your belt tension and operation and the quality of your motor mounts. Fatigued motor mounts will not absorb as much engine vibration.
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Saturday, May 24th, 2014 AT 4:53 PM
Tiny
HECTOR BRAVO
  • MEMBER
  • 3 POSTS
Thanks. But I just changed the motor mounts. Serpentine belt is fairly new. Belt tensioner is new. High speed relay is new, for the A. C. Fans. Could there be some another problem? Anything that will help me, will be appreciated.
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Saturday, May 24th, 2014 AT 4:58 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
It could be the IAC isn't correcting the idle sufficiently or it could just be normal from the increased load.
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Saturday, May 24th, 2014 AT 5:02 PM
Tiny
HECTOR BRAVO
  • MEMBER
  • 3 POSTS
Thank you. The problem was the passenger motor mount and the transmission mount. Gracias.
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Sunday, May 25th, 2014 AT 6:09 PM

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