Question about 1984 GMC VanDura

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I got a big problem with the brakes on my 82 van dura when im cruzing down the road my brakes some times start to lock up i have to pull over and let them cool off before they'll release. new calipers


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That may be your TMC seals are swollen. This may happen because of wrong brake fluid uses or conatamination.

Please replace TMC and drain old brake fluid, flush with new one and then fill new brake fluid which is recomended by your car company.

Posted on May 08, 2014


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Posted on Jan 02, 2017

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SOURCE: 1986 gmc sierra 1500 front rt brake locks up

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

  • 253 Answers

SOURCE: 2000 Yukon brake caliper

The problem may be with the rubber hose to the caliper. I have seen them come appart inside. You can check it by loosening the hose at the caliper, using a flat screwdriver compress the pad. If it moves free it is the hose. Good Luck.

Posted on May 06, 2009

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SOURCE: 1989 G20 Van right front brake is locking up when

when rf brake is locked up, open the bleeder, if it now is free, replace the caliper hose.

Posted on Sep 21, 2009

  • 69 Answers

SOURCE: left caliper locks up on the disc. It has been

May be anyting from improper fitting of the pad's to a hydraulic blockage. But most time's this has happened it was due to a seized caliper piston, I've taken the caliper apart & cleaned it up & fitted new seal's. This is a job for a skilled mechanic as you will have to bleed the braking system properly after & it's not really a DIY job unless you'r a competent mechanic. Hope this help's !

Posted on Sep 21, 2009

  • 226 Answers

SOURCE: 1999 chevy suburban right front caliper will not

The flexible "rubber" line that goes to the caliper has an internal ply seperation and will not allow the fluid to flow properly.
Please vote if this helps you.
I am sure it will.

Posted on Nov 22, 2009

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1997 chevy 1ton van brake peddle feels like it is pushing my foot back up and i hear a growling sound for about 10 seconds .. i think its the anti-lock brake system but not sure what to check...

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Hey im driving down the road just doing 60mph cruzing an the truck just shuts off and i pull over wait a sec an it starts right back up

Could be a sensor flaking out on you, or the PCM Power train Control Module crapping out also.

Are you getting any MIL or Check Engine light??

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You actually have two separate problems. The brake pull to the right is indicating the left side brake is not working properly. You will want to remove the left front wheel, collapse the caliper piston and make sure the caliper is floating freely on its mounts.
With the piston collapsed you should be able to slide the caliper inboard and outboard of the rotor. If not, you will want to remove the attachment pins, clean and lubricate the pins. If they are grooved or worn you will have to replace them.
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