Transmission does work in forward gears?

Tiny
ROBERT VARVEL
  • MEMBER
  • 2005 CHEVROLET 1500
  • 4.9L
  • V8
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
Transmission only has park, reverse, and neutral, won't go forward.
Wednesday, December 13th, 2023 AT 11:29 AM

2 Replies

Tiny
DR LOOT
  • MECHANIC
  • 2,311 POSTS
It sounds like the forward clutch pack is bad. When's the last time you serviced the transmission? The transmission should be serviced every third oil change.
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Wednesday, December 13th, 2023 AT 6:33 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,347 POSTS
We should run the codes because it sounds like the first gear shift solenoid is not working, this guide can help, and I have included how to change the shift solenoid out in case a code is present for it.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

This guide may help as well:

https://www.2carpros.com/articles/automatic-transmission-problems

Check out the images (below). Please upload pictures or videos of the problem so we can see what's going on.

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Thursday, December 14th, 2023 AT 1:34 PM

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