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Re: 93 Lumina won't downshift when hot
Your torque convertor lockup has failed. The convertor is staying mechanically locked up, just like forgetting to push the clutch in as you stop with a stickshift.
Once it sits for a few minutes and the pressure bleeds off, the convertor unlocks, and it will drive again.
You can unplug the TCC plug, this will stop that from happening until you can get the solenoid replaced. This will cause the Check Engine light to stay on, and you won't get the best mileage without it.
There is a square four prong plug going into the transmission case in front, facing the radiator. Unplug it from the case to disable the TCC.
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You made three mistakes. First, you took the job. Second, you came light. A four man crew for me? F**king insulting. But the worst mistake you made...
...empty gun rack.
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