1995 GMC C3500 trans sound

Tiny
JOEFISH6178
  • MEMBER
  • 1995 GMC C3500
  • V8
  • 4WD
  • AUTOMATIC
  • 67,000 MILES
When I let off the accelerator the trans makes a high pitch sound. Almost like it is having trouble downshifting. It only makes it when I slow down it shifts fine when I accelerate.
Thursday, February 11th, 2010 AT 7:10 PM

1 Reply

Tiny
DR LOOT
  • MECHANIC
  • 2,311 POSTS
It may not be the transmission have you checked the oil? The sound may be coming from the differential amplifying its self through the driveline to the transmission you better check the oil in the rear end too.
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Wednesday, February 17th, 2010 AT 10:29 PM

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