1995 Chevy Suburban 1995 Suburban Transmission Fails to Shi

Tiny
J CHASEK
  • MEMBER
  • 1995 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
  • 19,700 MILES
The transmission shifts through all the gears just fine, but when it should shift into overdrive, the engine just continues to rev. If I let off of the gas to below 2000 rpm it will shift, then I can continue driving as normal. What should I do first? Last year I had the Dealer service the transmission. They replaced the oil and filter and I believe they flushed it as well.
Sunday, August 17th, 2008 AT 11:49 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have a steady check engine light on or comes and goes?

Might want to pull the computer for code/s by grounding terminal B and comeback with the code/s.

Also have the thermostat/coolant temperature sensor/vehicle speed sensors checked out-


https://www.2carpros.com/forum/automotive_pictures/12900_GM_ALCL_12.jpg

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Wednesday, August 20th, 2008 AT 12:01 PM

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