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Originally Posted by nightmare
First off, does it have enough fluid? Maybe try adding some and see if the truck begins to move. If it does, it may be sluggish at first, but that means you need more fluid. Low fluid will cause the problems you are having.
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I had drained the oil originally when the transmission went out. I was hoping to find loose linkage or something similar but didn't end up finding anything. When I got back to it recently the first thing I did was buy 12 quarts of fluid and put 8 in. I believe completely dry these transmissions take about 11? But seeing as I never pulled the torque converter I figured 8 would be plenty and it did show just over full hot while running in park and cold. I could be wrong but that should mean I've overfilled it, correct? I was trying to overfill it temporarily anyways just to rule out a mismatched dip stick or similar. Basically in my mind even if the levels on the dip stick were wrong, knowing I put 8 quarts in and should have overfilled it if I saw no fluid pumping I could be sure it was a bad pump and not just low oil.
Quote:
Originally Posted by nightmare
It's commendable that you are wanting to learn how to rebuild the 700R4s. They are very good transmissions, and if built right, can handle some serious power.
That said, I'd recommend getting a good book on GM Automatic Transmissions. I know with the internet it is feasible to "just google" what you are needing, but a good book helps tremendously too. I have the Haynes Techbook for GM Transmissions; it covers pretty much all transmissions prior to maybe 1988 or 1990. It does have a troubleshooting chapter, so that may be your first step. Anyhow, the ISBN is 1563924234.
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Thank you for the isbn. I'll start there and see what I can find!