2000 Jeep Grand Cherokee brakes make a hissing noise
My Jeep Grand Cherokee has started to make a noise like down by the braked pedal something is sucking air. I only last so long depending on how long i hold them down. Seems todo it more when the the temperature is cold. Can anyone help?
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Re: 2000 Jeep Grand Cherokee brakes make a hissing noise
Has your brake pedal seem to be stiffer than usual? the sound you hear is from the brake booster if it has a leak it will cause a noise but you would have a stiffer pedal because the booster is loosing vacuum.
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could be one of several problems. first check your brake fluid level, if its low then add some and before you replace the cover try and reset the rubber end back up into itself. if one of the chambers is empty then you'll need to fill it back up and bleed the brakes. if after you refill the resevior and it keeps happening you will need to check the lines for a leak. if the brake fluid is good then you might have a problem with the vacuum assist and you'll want to take it to a mechanic.
There are some solutions for this kind of problems: 1. change your brake fluid (BF). This need to done regularly every three yrs. , at hard condition's every two yrs. 2. check the caliper. It's possible that one of the two pistions inside the caliper don't work properly (mud or rust inside) 3. check if the brake bads can slip free over the anchor, if there are some rust on it, remove them and check the surface, if damaged, replace the part. 4. check the caliper slide pins. If the caliper can not slide, it will stay in contact with the brake disk, this will heat up the bad and disk and make a noise. 5. check your brake booster (vacuum test required). If you switch of the engine, listen if your hear some noises (air leak!). If all that wont work, come back again.
You need break booster what happen is when you tern the car of the vacuum leaks out when you start the car its take time to build the vacuum that's why it does not work at first time then its come back
Something doesn't sound right, you shouldn't have to remove the brake line to install pads. Did you have to do this on both sides? Do the new pads and the old pads look the same? Did you get the caliper on crooked? Just recheck your work first before replacing more parts. When you install the caliper, You have to hook the pad on one side first before you slide it over the rotor.
It it a brake booster problem.I am changing mine this weekend.You can get a new one form autozone for 149.00 or get one at the junkyard for about 70.00.I am installing mine this thanksgiving.I can send you the step by step instructions if you like.I have a 99 jeep grand cherokee limited edition and for once i thought i had a snake in the car..