No brake on the right front !

Asked by Mar 08, 2013 at 12:31 PM about the 1996 GMC Sierra 1500 C1500 SL Standard Cab LB

Question type: Maintenance & Repair

1996 GMC V6 1500 . I cannot get any brake fluid to the right front brake . I had to slam on brakes to avoid a accident . Now there is no brakes working on the right front .I have replaced front brake lines , turned rotors , and new brake pads , but cannot get any brake fluid to the right front wheel now ??

7 Answers

92,065

The master cylinder has a slug inside that slides. It is there so if you get a leak in one of the brake lines, it moves to allow fluid to go to the other brake lines. Usually they never have to move and sometimes crud builds up around them. If they do move, the crud holds them in place. -- It sounds like your master cylinder slug has moved and stuck in place preventing fluid flow to your caliper. --- Here's a site explaining it - http://www.britishv8.org/articles/tandem-master-cylinders.htm

8 out of 8 people think this is helpful.
Best Answer
92,065

Here's another site. It has what looks like a bunch of handy links on the lower right side. -- http://www.ehow.com/how-does_5547495_master- cylinder-works.html

4 out of 4 people think this is helpful.
92,065

Thanks for the best answer click! Good luck with the brakes and drive safe.

40

If i had this braking problem in my repair shop, I would loosen up the bleeder screw on that right front caliper and use my vacuum pump to draw the brake fluid out. Make sure the brake fluid in the master cylinder's reservoir doesn't run dry while you are doing this. This procedure should pull fluid through the brake line and caliper plus it should also remove the air in the system. If that didn't work I would check for a pinched metal brake line then maybe the master cylinder, but that probably won't be necessary. Try the vacuum pump first and you'll probably be good to go. If you don't have one they are available at most auto parts stores for about $30 bucks or so. Best wishes.

3 out of 3 people think this is helpful.
3,020

It's not a plugged bleader, is it?

3 out of 3 people think this is helpful.
50

I have the same problem, and have traced it back to the abs actuator. It's not sending fluid to the passenger said at all? I'm at a block for me as I don't know what to do next

5 out of 5 people think this is helpful.

I have a 1990 gmc sierra v6 and the caliper doesn't want to release the brakes on the right passenger side I changed the caliper and rotor and brakes but it keeps doing the same thing.... brake lines look good too would really appreciate some feedback on this matter

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