Yet another 4r100 problem.

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Aug 30, 2015 | 09:26 AM

scottddove

Thread Starter

More Turbo

Joined: Aug 2005

Posts: 683

Likes: 6

From: North Georgia

Yet another 4r100 problem.

Installed rebuilt transmission 1 month ago. Have noticed reverse has started to go away. Feels like it is slipping or tires are losing traction with a lot of vibration in the steering wheel.(tires are not slipping that's just the way it feels) Does it worse when trans is up to temp. I suspect feed bolts but want opinions.(Mark K.) All forward gears seem fine with no issues. I have never been under the pan deep enough to access the feed bolts. Any suggestions,instructions on doing that procedure.

Aug 30, 2015 | 10:06 AM

pirate4x4_camo

Lead Driver

Joined: Apr 2011

Posts: 8,259

Likes: 346

From: Northern California

Opinion:

Take it back to the person or company that rebuilt it and have them fix it under warranty. Doesn't really matter what the cause is unless it was driver error. I assume you know better then to shift into R with the tires moving ?

Aug 30, 2015 | 08:52 PM

mueckster

Lead Driver

Joined: Jun 2003

Posts: 8,298

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From: Damon (South East Texas)

Doesn't sound like Feed bolts if Forward gears are not affected. When I had the Forward Clutch Feed bolt back out, I had slippage in Forward, but Reverse worked fine.
It could be loose Valve body/Reinforcing plate bolts, leakingVB gasket, or bad apply piston seal. Take it back to the rebuilder and let them check it out.

Aug 30, 2015 | 09:45 PM

97-psd

Logistics Pro

Joined: Mar 2007

Posts: 4,586

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From: knoxville, tn

I would advise the same, take it back to the builder. The moment you pull the pan it will become your problem not theirs. Let them solve the problem for you