Recently replaced the front brake pads, assuming they had worn down. When I removed them they still had 80% of wear remaining, all even ware. I replaced anyway. There remains a squeaking noise while slow rolling as well. Brakes function as they are supposed to, but the squeaking continues to drive me crazy..lol any help would be appreciated. brakes are semi metallic, if they made a ceramic brake pad would that solve the problem?
To help with pad squeel when you take brake pads out clean all rust from the caliper where the pad slides and put some copper grease on the areas that contact this should help, while you have caliper off check the slider pins too as they may have rubber stuck to them, if they do buy new pins or scrape rubbish off and copper grease them up too, hope this helps.
SOURCE: How do I change the rear brake pads on a 2005 Pontiac Bonneville?
remove the caliper bolt, swivel the caliper up and slide off the rod. To push the caliper piston in to accommodate the new pads, you must get the tool to TWIST the piston in while slightly pressing the piston. Check with your local Murrays, Auto Zone for the tool loaner program. Gm W-Body rear caliper tool. Good luck
SOURCE: changed front brake pads now brakes are spongy
If the brake discs (US=rotors) were anything less than perfect then some sponginess is to be expected, but if the discs were heavily scored or worn they should have been replaced or refaced on a lathe (as long as they have sufficient remaining wear left to allow for this). It takes up to around 250 miles to fully bed in a new set of pads to a worn disc and until then the brakes will not be fully efficient. Hard braking should be avoided and the key to bedding in correctly is to brake earlier than usual and apply them more lightly than normal. This prevent glazing of the high points on the pad which will reduce braking efficiency and also slow or even prevent the pads from fully bedding in.
If the sponginess does not soon start to reduce or is more than a slight effect, then you have a different fault and will need to try bleeding the brake lines. Air should not have got in during a routine pad swap though so if any is present it suggests that the seals in the calipers are faulty and further investigation will then be a matter for urgent attention.
I hope that my reply has been of use to you and that you only have to bed the pads in for the problem to disappear. Please
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SOURCE: knocking/thumping noise in rear end while breaking
I HAVE THE SAME PROBLEM I'VE BEEN DOING A LOT OF RESEARCH ON IT AND I THINK ITS GONNA BE THE BUSHINGS IN THE REAR KNUCKLE ASSEMBLY AND YOUR HAVE TO CHANGE THE WHOLE ASSEMBLY. I HAVEN'T TRIED IT YET BUT IF YOU CHECK BACK IN A COUPLE DAYS I WILL LET YOU KNOW
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dude, i did the same thing, break lines. the breaks aren't the problem
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