Question about 1999 GMC Sierra
I have replaced the caliper and the proportional valve. After applying the brakes several times the rt front locks up. I have bled all 4 and the only way to release the front rt is to open the bleed valve on the caliper. Could it be a brake line or master cylinder? All other brakes seem OK.
Check brake lines they may have gotten pinched very commonok new c/k trucks when you crank the torsion bars up to far you may have hit something and pinched the brake line check those before messing with the master cylinder those are a real pain
Posted on Sep 21, 2008
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Posted on Jan 02, 2017
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