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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: grapeman12 on November 30, 2008, 11:03:31 pm
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I have a 83 Chevy 3/4 ton 4 wheel drive truck with the 6.2 diesel motor with the rh700 (?) trans...the 4 speed overdrive. All of a sudden, reverse no longer works. Put it in reverse and nothing. And yes, I have checked the fluid level. All the other gears work fine. I'm concerned a repair job will be too much money. I was thinking about puting in another trans...like a 350 or 400. This is only a ranch truck so it doesn't see much highway time. Does anyone have any info on what swaps will work and any comments on this option? Another option is that I have a doner 75 Chev that has a good 4 speed stick transmission in it. It is a 350 motor, 2 wheel drive. Would this trans work in the 83 diesel? Appreciate any info.
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The stick is out because its a 2 wheel drive. As far as the other automatics, in my opinion you not having a donor trans means you will need to buy one. That combined with all the other costs, and labor to swap it over. I would just pull what you have and take to a shop and get it rebuilt.
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Ditto on the above info. The diesel will require a non-Chevy trans, so just any trans won't work. Rebuilding what you have is the most cost effective solution.
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Get yourself a book on the 700. Read up. It might be something as stupid as a stuck valve. to just go out with no warning?
The case might be different but the guts are the same as chevy 700's (with extra clutches)
Steve