1993 Chevrolet G 20 Van Transmission

Tiny
LARI
  • MEMBER
  • 1993 CHEVROLET TRUCK
Hi, I have a 93 Chevy G 20 Van with auto trans. It is not shifting iinto 3rd and OD. The catalytic converter has been removed. I have flushed the trans. And have changed the filter. The speed sensor has been replaced. I can force it to shift into 3rd by stomping on the gas. When I do this the motor revs and slows and revs and slows but will only ocaisionally shift into third gear. It hits the shifting RPM then nothing but air. Any More Suggestions? Changing the speed sensor did nothing noticable. Thank you.
Monday, July 24th, 2006 AT 12:29 AM

1 Reply

Tiny
R. FEHR
  • MEMBER
  • 10 POSTS
If it is a 4L80E transmission it may have a faulty rear speed sensor. It is plugged into the body of the transmission about 2/3 of the way back. Buy it from your Chevy dealer, it's cheaper than aftermarket.
R.
PS: fuel filter may be partially plugged.
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Monday, July 24th, 2006 AT 12:22 PM

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