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Old 04-15-2010, 11:05 AM   #6
Original67
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Join Date: Dec 2009
Location: Edmond, OK
Posts: 254
Re: TH 400 won't shift to 2nd or 3rd

Quote:
Originally Posted by IndyRich View Post
Hi everyone, so I'm driving home from Lowes and as I accelerate from a stoplight my truck (tranny) won't go fast than 25mph. It takes off like normal and then just revs higher when I hit 25mph and won't shift to 2nd or 3rd. I limped home and checked reverse, it works fine. No vacuum lines came off, fluid level was a little low so I added some, but that did not fix it. Would love to hear your input!
Questions:
1. What does the fact that 1st and reverse work mean? what can I eliminate because of that?
2. Some very small debris in fluid, what does that indicate?
3. If I pulled it to have it rebuilt, what is a "good" price for a TH400 rebuild?

Thanks in advance!
Rich

#1 if I recall correctly are direct drive so nothing has to move to engage them is why they work.

#2 could be anything from normal wear (don't know when you changed it last) to a band coming apart. Hard to tell.

#3 this strictly depends on your location. There are people in OKC that will do it for as little as 300 up to 1K+ and it all depends on what you want in it.
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