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Old 04-05-2024, 04:23 PM   #56
Rust_never_sleeps
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Re: Proportioning Valve Keeps Tripping?

Quote:
Originally Posted by 425HP409 View Post
Some service manuals said to lightly tap the caliper with a hammer to dislodge any small air bubbles that may be clinging to the caliper wall. This could be your pressure differential problem. This was in the textbook that I used when I taught at a trade school.
If there's air it's in the rear, and those are drums IIUC.
Could still be air in those wheel cylinders somehow, but I don't know if it can hide the way it might in a caliper.
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