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Technical Info: 2nd Gen 12 VALVE DRIVETRAIN Technical discussion of second generation (1994 - 1998) 12-valve engine and drivetrain questions, solutions and upgrades.
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Old 10-24-2016
ajoebob ajoebob is offline
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Unhappy Nv4500 rebuild?

So i was driving to work Friday and heard a loud pop and lost 5th gear. So i pulled over and looked everything over and didn't see any fluid pouring out so I assumed 5th gear nut spun-off. So today i pulled it apart and the nut was tight, pulled it off and no splines on 15 or the main shaft. Where can i get a good rebuild kit and how hard is it to do?
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Old 10-24-2016
dieselfarmboy dieselfarmboy is offline
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Dont want to steal post, but what fluid is everyone using now?
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Old 10-24-2016
HerkyBird2001 HerkyBird2001 is offline
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They arent really hard to do. Lot of posts out there about how to rebuild it. However, end play is very important. Dont get it to tight or will burn up again and too loose will break everything again. PM Rob (Maxtorq) here and he should be able to point you in the right direction. May even have my old 2wd on still in his shop or at the tranny shop where we took it. I ended up just going to NV5600.
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Old 10-25-2016
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CaptainCummins CaptainCummins is offline
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Quote:
Originally Posted by dieselfarmboy View Post
Dont want to steal post, but what fluid is everyone using now?

I got Amsoil from Herb for mine back when I put a reman NV4500 in my truck. It is a specific fluid, I almost wanna say its a special 75w 90 spec.
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Old 12-24-2016
Junkman Junkman is offline
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Nv4500.com rebuilds and has fluid listed. Same person as High Gear Transmission in Memphis. He used to,have new probably surplus transmissions but those are probably gone.

Decision is time, interest and tools vs money.
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