Quote:
Originally Posted by PaulS1950
The modulator is not part of the problem. I would suspect the B&M shift kit. They are problematic at best.
If I did not know it had that shift kit in it I would say that the seals in the direct drum are hard or worn and they soften and swell with the heat. A rebuild is indicated when that happens.
With a B&M kit in there I would recommend pulling the valve body and checking the valves for free movement. Check the gaskets for tears, and then using the minimum torque spec tighten the valve body up from the center out in three steps. Don't install the filter until the final step but use the bolts without the filter as you torque it down. Then remove them and make the final torque.
Give that a try and see how it works.
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Hi Paul,
I'm new to the boards, after doing some reading I saw that you reply to a lot of the trouble shooting questions, thanks for responding to mine. I've spent most of my life with engines and manual transmissions (T10 and T5), so this C4 is my first go around with a performance automatic. I have two follow up questions. First question, I was checking the fluid level last night and the top of the dip stick is loose where the cap attaches to the stick, after I replace the stick the trans now shows about 3/4" over full on the new stick, would that cause the problems that have mysteriously started? Second, I prefer not to do repairs 2 or 3 times, and I was not aware the BM transpak kits were problematic, should I just scrap the valve body and buy a hi performance valve body from another trans builder? If so, who would you recommend?
Thanks again!
