Vibration

Tiny
RANDY SMITH
  • MEMBER
  • 2004 CHEVROLET AVALANCHE
  • V8
  • 4WD
  • AUTOMATIC
  • 45,000 MILES
2004 chevy avalanche, after going into 4th gear there is a bad vibration, stops when pushing down on gas and gearing back down
Tuesday, December 7th, 2010 AT 7:00 PM

4 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
What speed and rpm is the vibration at?
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Tuesday, December 7th, 2010 AT 7:16 PM
Tiny
RANDY SMITH
  • MEMBER
  • 3 POSTS
It vibrates between 45 and 55
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Wednesday, December 8th, 2010 AT 6:26 PM
Tiny
RANDY SMITH
  • MEMBER
  • 3 POSTS
Rpm are around 19 or 20 thousand
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Wednesday, December 8th, 2010 AT 6:27 PM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Are you running oversize tires? 1900 is a fairly low rpm and I noticed my own van has a shuddering vibration as the rpms drop and it is still in overdrive. It's caused by the gear ration being to high and the added strain of firing against this impossible load ratio turns up as vibration.
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Thursday, December 9th, 2010 AT 6:03 PM

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