Question about 1993 Chevrolet G20

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1993 chev van no brake pressure to right front wheel

All brake compotents are new but no brake fluid reaching the right front caliper.even when trying to bleed there is no pressure to the right front.plenty of pressure to the left front.

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6ya6ya
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Posted on Jan 02, 2017

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280zlvr
  • 126 Answers

SOURCE: unable to bleed front brakes

loosen the front brake line that goes to the master cylinder fill master cylinder up with fluid and bleed it first by attaching a flexible line from master cylinder front brake side submerge that line into jar of brakefluid keeping air from entering line get someone to pump brake pedal while ur holding line in a jar keep refilling the brake resivoir so no air gets in, once the master is bled front brake side then reattach the origional brake line then remove bleed screw from caliper and let fluid gravity flow down to calliper then bleed the normal way. more than likely your master cylinder has air trapped in the front portion good luck

Posted on Jul 01, 2008

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SOURCE: 1996 chev cavalier brakes

Did u replace all the brake lines, front and back brakes replaced? Make sure u did the following:
1. make sure master cylinder is topped off (full)
2. go to the bleeder the greatest distance from the master cylinder, Have someone pump the brake pedal 3 times, each time about half way down w/ pedal, on 3rd pump, they should depress the pedal half way and hold it there while u open the bleeder. When air or fluid comes out and it begins to slow, gently snug the bleeder valve shut before the pedal is released. Continue to do this until only clear, clean fluid is flowing. Keep checking the master cyl. level, if u let it go down too much u will **** air into the line and have to start all over. Go to the next bleeder that is farthest away, etc. til u do the closest bleeder. Car should be running doing this, and you MUST use safety stands so u don't have the car falling on u while u work under it. Also make sure all your new brake line connections are tight, or it will allow air into the lines. Let me know how this works for u. good luck countrycurt0

Posted on Oct 01, 2008

  • 31 Answers

SOURCE: 1989 K-1500 Brake Problems

Did you replace your front brake lines as these are rubber and after time collapse causing the truck to pull in the opposite direction! In your case I'd say left front is crimped and blocks fluid and makes right front pull to the right. This is a common problem and one of the first items to replace on these trucks and at $30 cheap insurance.(REPLACE BOTH).

Posted on Mar 22, 2009

  • 148 Answers

SOURCE: 1994 Chevy van brakes grabbing

try replacing the brake hoses they may have a restriction causing

Posted on Jul 14, 2009

  • 36 Answers

SOURCE: I have a 1997 chevy cavalier. I replaced wheel

sometimes if you leave the bleeder screw open it will gravity bleed the cylinder.Make sure master cyl is full and do one wheel at a time.I have seen this work, I have done it.

Posted on Nov 20, 2010

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Master cylinder fluid piston has entered into a brake safe mode.
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Right front wheel locks up on 93 3/4 ton van has new master cylinder,new caliper and new hose could this be a faulty proportioning valve?


It could be but I would suspect that the left side caliper is seized and not working. This would case the proportioning valve to send the extra pressure to the right wheel, locking it up Hope this helps.

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Probably a restriction in the brake line from the master cylinder to the wheel.

Most of the time brake hoses do this (collapsed hose or hose inner liner) but the restriction could be anywhere from the point your front brake pressure divides to both wheels to the caliper of the wheel. The problem is not the caliper itself because the bleeder is able to relieve the pressure.

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