1993 GMC C2500 Transmission guideline

Tiny
JIMAKRIDGE
  • MEMBER
  • 1993 GMC C2500
  • V8
  • 2WD
  • AUTOMATIC
  • 230,000 MILES
The truck doesn't want to shift after it warms up or it shifts hard like a shift kit does. I did replace the 1-2 shift solenoid two which work for two days and started back up again with the same problem !
What do I need to do? Or replace other solenoids? I need your help
Thursday, January 17th, 2008 AT 3:04 PM

1 Reply

Tiny
PEAR69
  • MECHANIC
  • 1,482 POSTS
It sounds like your accumulator piston spring is broke. It is located under the valve body of the transmission. This is the spring that takes all the hydraulic shock when your transmission shifts. The stiffness of this spring regulates the firmness of the shifting.
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Thursday, January 17th, 2008 AT 10:50 PM

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