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Old 07-25-2019, 08:33 AM   #12
72c20customcamper
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Join Date: Jul 2018
Location: Catskill Mountains,NY
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Re: 1968 C10 CST DRUM/DRUM Proportioning Valve Problem

Quote:
Originally Posted by Steeveedee View Post
Most likely the flex hose at the rear axle has failed and isn't letting fluid return to the master cylinder when you let off the brake. Is it the original hose?
What he said^^^

I have had to replace several of the rubber brake hoses on my trucks
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72 c20 custom camper Husky edition,
66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark
1969 AMX ,
1968 c20 stepside ,85 K20
1977 Suburban sold
68 anniversary.
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