Questions & Answers for: GMC Jimmy bad brakes

Question about 1999 Jimmy

1 Answer

...We bled the brakes multiple times, but it still doesn't work. How can I fix it? were you getting fluid out of rear wheels,any leaks, is pedal sinking or good,may have bad master, or brake

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Question about 1999 Jimmy

1 Answer

...brakes were working fine one minute and then the parkiing brake light came on and I could press the brake pedal all the way to the floor. There is no fluid leak. I'm thinking a bad master cylinder??? ...

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...brakes have stopped working. Brake fluid is adequate. What do I need to troubleshoot and where is the stuff located? I will appreciate your help. Check the vacuum hose to the booster that the master ...

...bad noise. also 2wheel and 4 wheel drive lights have done same since brake job. Hubby said Power booster but mechanic says no would be stiff. Brakes are getting mushy. HELP stinks when driving rear ...

pressure means bad master cylinder...or leak in brake lines or connections...should be able to trace...Not a fun problem...safe brakes are a priority...hopefully just low fluid...fill to full mark...:

Question about 1997 Jimmy

1 Answer

...BAD IF BRAKES WONT HOLD WHILE ENGINE RUNNING.BRAKE BOOSTER NOT HOLDING VACUUM,IT HAS A LEAKING DIAPHRAM. IF MASTERCYLINDER WAS BAD BRAKES WILL GO TO THE FLOOR WITH ENGINE ON OR OFF.AND YOU WOULD SEE ...

Question about 1999 Jimmy

1 Answer

...hard to take of when attempting to accelerate. You have a caliper sticking or a problem with your rear brakes. This could be the caliper, a bent Brake line, a bad Master Cylinder or a bad ABS

...brakes. also,bad brake hose can trap pressure in caliper and apply brakes.  Also check brake pedal and booster adjustments.  other possibility is caliper/hardware (mechanical) is hanging up ...

...seems you have several different problems. High beam working and no low beams=dimmer switch is bad. Reverse lamp not working=bulb socket bad,wiring broke,bad ground at back Brake light on

brake lights wont work unless turn signal is on Wild guess, crossed wires, bad printed circut film connector in tail lights, bad ground connection to the same film. Otherwise, wiring problems up front

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