Transmission will not shift into gear, FWD or reverse?

200,000 MILES
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LUIS ALEJO
  • MEMBER
  • 1 POST
I inherited this vehicle thinking it only needed a fuel pump and a new gas tank. After $1,400 I realized the car would not get into gear. FWD or reverse. Nothing.
We changed transmission fluid. Garage said fluid was wrong, it smelled like gear oil. The color was not red. After replacement the car drove about a mile and then would not get into gear. Thinking I should replace the transmission fluid again. And see what happens. What would you do? Have it rebuilt? Get a new truck and call it quits?
Jan 13, 2025 at 8:19 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,721 POSTS
That is up to you, it depends on the condition of the truck, if it is nice I would try the fluid flush again and if that doesn't help install a rebuilt unit. please go over this video to help you remove and replace the transmission:

https://www.youtube.com/watch?v=3vJAojsrfuU&t

This video will make sure you get the torque converter installed correctly so you don't damage the transmission front pump:

https://www.youtube.com/watch?v=ZC7xHVMKLRw

Please go over these guides and get back to us.
Jan 14, 2025 at 3:56 AM
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