Vibration in gear even more when AC on

Tiny
ALDUNN
  • MEMBER
  • 2002 GMC ENVOY
  • 132,109 MILES
Vibration in in drive and rev. And slightly in neutral and very high vibrations with the ac on. It calms down a little after driving for about 20 mins. And neutral seems to stop. I cleaned the thottle body, oem mounts incl. The trans, plugs(boche double plat), fuel filter, and basic oil change.I seem to hear a air/fluid build up when starting and when shuting off I hear a shoosh air release sound;and if helps when starting somes times its one big booming then sometimes its smooth as day one and then the slightly delay
Sunday, August 11th, 2013 AT 6:02 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
If you are getting a vibration that goes away in neutral, have you checked the motor and trans mounts to make sure they haven't collapsed? If the rubber on them is bad, you will feel a vibration from the engine.
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Sunday, August 11th, 2013 AT 9:07 PM

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