I have a 1984 F150 the transmission shifts to quick. It will shift into third by 25 mph. But you can shift manually and shift when you want it to. Is there an easy fix or not?
- posted
18 years ago
c4 transmission
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- posted
18 years ago
Get thee to a Tranny Shop
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- posted
18 years ago
If you pull off the vacuum modulator line there is a screw in there you can adjust to raise or lower your shift points. I would probably replace the valve (one bolt clamp on or screw in) and get a new one. All you need to know is it push in type or is it screw in (I think), and the color of the stripe around the valve (yellow, blue, purple etc). It is cheap and easy to replace, then adjust with the screw where the vacuum line goes in. With all that said though, if that doesn't cure it the tranny is probably on it's way out. Good luck.