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01-13-2004, 10:13 AM
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#1 |
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Mike
Join Date: Jan 2003
Location: west chester pa
Posts: 2,474
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Brake problems
My right front caliper keeps locking up under moderate braking.The suburban has a new master cyl.The right caliper is hard to bleed.It takes a lot of force to pump the brake when bleeding,even with the bleeder backed out a couple turns!Time for a rebuild,or could it be the proportion valve?I never had a prop valve go bad.
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70'c/10, 71 suburban4x4 402bb, 72suburban 4/6 drop, 72k/5 4x4 blazer 4" lift 35 tires |
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01-13-2004, 10:37 AM
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Registered User
Join Date: Dec 1999
Location: BRADENTON FLA
Posts: 3,269
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Sounds like the brake hose to me, they collapse on the inside.
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Rest in Peace Ed. Thanks for all the good times. |
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01-13-2004, 10:44 AM
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#3 |
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Mike
Join Date: Jan 2003
Location: west chester pa
Posts: 2,474
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It has 2yr old braided stainless hoses on it.It is a 4x4 with a 3"lift.I put the hoses on .
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70'c/10, 71 suburban4x4 402bb, 72suburban 4/6 drop, 72k/5 4x4 blazer 4" lift 35 tires |
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01-13-2004, 11:44 AM
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#4 |
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Mike
Join Date: Jan 2003
Location: west chester pa
Posts: 2,474
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The proportioning valve on my burban is from a '77 and has a bleeder screw on it.I bled the prop valve and bled the calipers again.When I step on the brake with the lid off the master cyl'brake fluid shoots stait up and hits the underside of the hood.This is only from the chamber for the front brakes.
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70'c/10, 71 suburban4x4 402bb, 72suburban 4/6 drop, 72k/5 4x4 blazer 4" lift 35 tires |
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01-13-2004, 11:48 AM
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,277
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bleed the prop valve then try to bleed the calipers again but im really thinking its the line. Some parts fail early dont matter how old the lines are. only other thing that would make sense is that the caliper itself is full of garbage and is jammed, but 9/10 of the time its the line
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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01-13-2004, 04:23 PM
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#6 |
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Mike
Join Date: Jan 2003
Location: west chester pa
Posts: 2,474
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I put new calipers and caliper bolts on.Took care of the problem.
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70'c/10, 71 suburban4x4 402bb, 72suburban 4/6 drop, 72k/5 4x4 blazer 4" lift 35 tires |
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