1998 GMC Jimmy "air coming brakes" Questions

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...air hiss as you step on the brakes then the brake booster is gone. I believe you actually have a bad brake booster. It is the black drum connected behind the master cylinder. It uses vacuum from the ...

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Question about GMC Jimmy

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coming from the bleeders, is there fluid present at the hose inlet of the caliper? Need to verify fluid present at rear or not... blocked or bent steel fluid line, take the steel tubes off the backing

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Question about GMC Jimmy

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...coming on everytime I push tha brakes and it feels like there are no brakes the pedal comes back up after I push it down I recently had tha fron calipers replaced with pads and a brake fluid flush ...

brakes were smoking and you could smell them burning.I think caliper is sticking. Bought a new caliper. Are these easy to change? They are rather easy to replace, disconnect the brake hose, and remove

...brakes it to let them gravity bleed them selfs out! works great for me! take the brake fluid reservoir cap off and open one bleeder at a time let the fluid run out of it till you see no more air! if ...

Question about GMC Jimmy

2 Answers

...coming out - re- tighten the valve. Repeat until only fluid comes out - no bubbles. If after all 4 tires are done, and there is still sponginess in the pedal, it is likely a more sever problem like ...

...coming out of the master cylinder will need to be loosened & bled there, initially you can just do the back ones to identify the problem, but once fixed, the system will have to be bled from the ...

brakes on my 1998 gmc jimmy it takes two people to do, one to pump and hold the brake peddal and one to open the bleeders.... One person pumps the peddal 5-6 times and holds, while the other starts at

Question about GMC Jimmy

1 Answer

...air coming out of the bleeder valve and you do have good clean brake fluid.Your Done Bleeding;You should have a Good tight and High Brake Pedal. NOTE: you DON't start the Truck to bleed the brakes. ...

...air coming from around the pedal. The truck does stop, but I am not sure if this is a serious problem. You could have a cloged EGR valve on the jimmy, which can be removed and cleaned with carb or ...

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