Quote:
Originally Posted by drallan
My 2004 v8 has recently developed a terrible screeching sound that is only really present after the car has been sitting. In particular when backing out of driveway in the morning.
I replaced front and rear pads and rotors, as well as front calipers in the fall. I did a thorough brake bleed, new HW, and cleaned/lubed everything during the brake job. Didn't have any issues until the past month or so. It sounds like the noise is coming from the front.
I was going to take a look this weekend (weather permitting) and maybe lube everything up again. It's my wife's car so I don't drive it regularly, but it seems to brake fine, no pulling or vibrations, with expected pedal feel.
Any other thoughts on what to look for? I'm hoping that maybe there is just some debris jammed somewhere that is causing the issue. Anyone else experience this?
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A couple of questions. First, what kind of pads did you put in it? Some of the less expensive pads - in addition to wearing out quickly - can develop some interesting noises as they wear. Higher quality pads usually come with either a special backing pad to absorb vibration or have a coating applied directly to the back of the pads for the same purpose.
Second, check to see if a caliper may have frozen up. I know you said you replaced them, but some of the rebuilt calipers out there are just plain junk and don't last long at all. Easiest way to see if a caliper is locked up is temperature. If it's hot after a short drive and the other side is not, either the hot side is frozen with the piston extended or the cold side is frozen with the piston retracted.