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1994 Geo Prizm vibration

Tiny
GLEN KING
  • MEMBER
  • 1994 GEO PRIZM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
My car vibrates at start up and continues through the driving process. (Steering seems okay) I've been told that it needs motor mounts by a couple of different mechanics (including Mr. Goodwrench). However: one other said it wasn't motor mounts, that it might be the balance shaft in the engine. Another mentioned axle joints. I'm confused. Any sure way to tell what the problem is? Thanks.
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Saturday, April 12th, 2008 AT 11:58 AM

3 Replies

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Does the problem happen while in park or only when moving?
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Saturday, April 12th, 2008 AT 12:05 PM
Tiny
GLEN KING
  • MEMBER
  • 2 POSTS
Seems to be fairly consistent in all gears including P. Thanks
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Sunday, April 13th, 2008 AT 4:27 PM
Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
It isn't the axles as they don't move in park. Motor mounts can be checked by brake reving the engine and watch for excessive movement in the engine/transmission.
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Sunday, April 13th, 2008 AT 7:44 PM

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