Put TH400 back in, won't shift
Well, I've been creating several threads with different issues of my friends' '63 C10. It started with putting a new engine in (which is running great now, woohoo). When attaching the transmission he broke the pump, which he replaced and now the car moves, but: It won't shift out of first gear! My friend has an idea that the solenoid on the transmission for the electric kick-down might be causing it, but I haven't a clue. Can you pros help?
Thanks! |
Re: Put TH400 back in, won't shift
do you have the vacumn line hooked up to the modulator?
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Re: Put TH400 back in, won't shift
Yessir, he reports his vaccum is plugged in correctly to the intake manifold, and there is a good suction. I suspected this myself as possibly being a problem. Maybe his modulator is bad?
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Re: Put TH400 back in, won't shift
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Re: Put TH400 back in, won't shift
Okay I will let him know. Replacing the modulator is cheap anyway and wouldn't hurt.
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Re: Put TH400 back in, won't shift
If the modulator doesn't do it, you could look at the governor next. The symptoms are about right, but I have no clue how there could be any connection with a damaged pump. A more likely possibility might be that a small piece of debris from the pump somehow got into the valve body.
Ray |
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