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Old 03-28-2024, 12:18 PM   #40
MikeB
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Join Date: Jul 2000
Location: North Texas
Posts: 3,429
Re: Proportioning Valve Keeps Tripping?

Quote:
Originally Posted by KyleSeal View Post
UPDATE 3/28/24

I replaced the wheel cylinders for the rear axle, and the fluid is coming out completely air free now.
But the originals were not leaking? I don't know how they could have held or drawn in air. (Play Outer Limits theme song here.)

That shuttle valve is acting very strange. Could it be moving to the front? Are the front calipers installed with the bleeder screws on the top?
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Mike
1969 C10 LWB -- owned for 34 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes.
1982 C10 SWB -- sold
1981 C10 Silverado LWB -- sold, but wish I still had it!
1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming.
Retired as a factory automation products salesman.
Worked part-time over the years for an engine builder and a classic car repair shop.
Member here for 23 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!
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