Question about 2002 Chevrolet Tahoe
Replace the caliper
Posted on Apr 09, 2015
There is a problem with your master cylinder that need urgent repair/replacement. To get moving in a emergency open the bleed screw at the caliper to release the pressure and tighten again. The vehicle should be able to move again. However as soon as the brakes are used the caliper will lock again as the master cylinder will not release the pressure again. Do not drive the vehicle like this. Only release the caliper for towing the vehicle to a repair facility.
Posted on Apr 09, 2015
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Posted on Jan 02, 2017
SOURCE: 1980 Chevy Truck Brake Locked Up
There are times when the rubber brake lines start to come apart internally and act like a one way valve. they let the fluid in, but will not let it out.
Try this: The the brakes are locked up release the bleeder on the caliper. if pressure come out there, lock up again, and release the hose where it goes into the metal line. This may be hard because of rust, but you will probably have to replace the line anyway.
You may have a bad Master, but odds are it is the rubber lines. Hope this helps.
Posted on Nov 06, 2009
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
Well I don't think you'll need to buy parts,it sounds like there may be sludge built up between the master cylinder and the proportional valve to the front brakes.Pull the valve off(follow the line off the master cylinder and you'll find the valve)clean it and then flush/bleed the master cylinder before you reinstall,Then flush/bleed the rest of the system.There's a relly good chance that may be all you need to do,but you may need to pull the calipers and clean them also.Comment back if you need more help,Good Luck(To)Yotaguy
Posted on Apr 25, 2009
Is the piston sticking in the caliper or is the caliper sticking on the outside slides preventing it from moving to the disc?
Posted on Aug 31, 2009
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