Question about 1987 Chevrolet R20

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1988 Chevrolet r20 brake fluid not coming out of rear brakes

I been trying to fix the rear brakes of this truck for quick sometime, I have replace the pro portioning valve and overpass the leveling valve right about the right rear side. I haven't been able to have any brake fluid come out

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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BigBlue77
  • 59 Answers

SOURCE: how to bleed brakes

Sounds like the proportioning valve is stuck. You may need to break a front bleeder loose and hit the pedal the unseat the valve. Then blead the rearbrakse and then bleed the wheel where you broke the bleeder loose. That should work.

Good Luck

Posted on Oct 12, 2008

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samson-1
  • 153 Answers

SOURCE: 1998 Chevrolet Malibu -- ABS and Brake light on.

If when changing the brakes you pushed fluid back into the master cylinder it may have affected the abs sensor with the reverse flow. I have seen this happen before.

Posted on Oct 20, 2008

motor1258
  • 6674 Answers

SOURCE: 2000 chevy 1500 silverado- rear brakes overheating

Have someone push & release pedal while at wheel with problem. See if it takes a while or slow to release. If yes, have wrench ready on bleeder screw, and try again, if it sticks/holds, crack bleeder screw, if it releases, I'd replace hose.

Posted on Jan 18, 2009

  • 113 Answers

SOURCE: Brake Pedal goes to the floor in my 1990 Chevy C1500 Scottsdale

do you have a self bleeder kit? first off, you have to bleed the master cyl back into its self and the combination valve before you go to the wheels. when you do that, I think you will find that you have air in the lines. disconnect both brake lines from the master cyl and put the bleeder kit fittings on the master cyl, then put the rubber tubing with the kit on the fittings and submerge it in the brake reservoir. make sure its full. then pump the pedal until you get a hard pedal. if that is the case, reconnect the lines to the master, then have an assistant pump up the brake pedal with the engine off, and bleed the combination valve which should be connected to the master by steel tubing. pump it up, then hold it down, and crack the fittings loose, one at a time until the pedal goes about half way down, but do not release the brake pedal until the line is tight again, otherwise you will **** air in the lines. after you do all that, go to the farthest caliper or wheel cylynder from the master and bleed that with the same technique,and dont release the pedal until you close the bleeder screw. unless you have a major prob, this will work.

Posted on Jul 20, 2009

emissionwiz
  • 76164 Answers

SOURCE: brake pedal dropping to floor

do u have the antilock brake bleeding tool? if not you will need to have the dealer bleed the brakes, the ABS control valve must be electricaly held open to bleed the brakes there of course is a special tool for this.

Posted on Oct 18, 2009

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