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So I recently replaced my front disc brakes on my '06 Dodge Charger, all new rotors and brake pads. Brakes feel and perform fine but about a week or two after the replacement they now start to squeal when I come to stop at slow speed. I've heard that this can be "normal" that it's just the pad and rotor surfaces not quite meshing to make an agreeable sound but otherwise functioning safely.
I'll be taking my car in soon for oil change/tire rotation and probably an alignment and have my mechanic look into the squealing and if it can be eliminated as it's rather annoying driving and sounding like a school bus.
Any thoughts as to why? Is it unreasonable to expect "quiet brakes" when newly replaced?
My car also recently developed a slight vibration at higher speed, hence my alignment check...could this disrupt brakes as well?
So I recently replaced my front disc brakes on my '06 Dodge Charger, all new rotors and brake pads. Brakes feel and perform fine but about a week or two after the replacement they now start to squeal when I come to stop at slow speed. I've heard that this can be "normal" that it's just the pad and rotor surfaces not quite meshing to make an agreeable sound but otherwise functioning safely.
I'll be taking my car in soon for oil change/tire rotation and probably an alignment and have my mechanic look into the squealing and if it can be eliminated as it's rather annoying driving and sounding like a school bus.
Any thoughts as to why? Is it unreasonable to expect "quiet brakes" when newly replaced?
My car also recently developed a slight vibration at higher speed, hence my alignment check...could this disrupt brakes as well?
Thanks for any and all comments!
I think the Haynes manual for my car recommends some sort of anti-squeal compound being applied to the brakes before you install them. Did you use any such thing when you changed them out?
They should not be squealing. The backing of the pads should have the anti squeal grease on them and the caliper pins may need to be greased too with caliper grease.
I think the Haynes manual for my car recommends some sort of anti-squeal compound being applied to the brakes before you install them. Did you use any such thing when you changed them out?
Quote:
Originally Posted by NARFALICIOUS
Who did the brakes? What kind of pads did you put on? Did you use brake grease at all?
Quote:
Originally Posted by blackhemi
They should not be squealing. The backing of the pads should have the anti squeal grease on them and the caliper pins may need to be greased too with caliper grease.
I didn't do the brakes myself, my mechanic did so I'll ask about the anti-squeal grease when I take the car in. Thanks for the diagnosis!
It * could * be an improper cleaning of the rotors prior to installation. This would fade as they wear and you could help it along by hitting the brakes hard someplace safe.
You can try this:
Go to the car wash and stick that wand through the wheel right on the caliper and rotor. Blast the heck out of both sides. Hop in the car and drive it. If the squeak is gone, then you can be sure it is either brake composition or brake dust. One note of caution: New brake pads dust excessively when wearing. It could just be dust. Spraying the wheel will not clean your brakes. You have to get deep down inside.
It could also be that the composition of the pads and rotors are not compatible. The physical composition of the brake pads can set harmonic tones with the metal composition of the rotors. In that case, you would have to consider changing to a different composition pad, perhaps ceramic.
Ball joints squeak over bumps and would have to be really bad to squeak ,and you can get squeak from sway arm bushings and bad wheel bearings, too. But, if it just started after your new brake installation, I would check the first two things I listed as they are the easiest.
It * could * be an improper cleaning of the rotors prior to installation. This would fade as they wear and you could help it along by hitting the brakes hard someplace safe.
You can try this:
Go to the car wash and stick that wand through the wheel right on the caliper and rotor. Blast the heck out of both sides. Hop in the car and drive it. If the squeak is gone, then you can be sure it is either brake composition or brake dust. One note of caution: New brake pads dust excessively when wearing. It could just be dust. Spraying the wheel will not clean your brakes. You have to get deep down inside.
It could also be that the composition of the pads and rotors are not compatible. The physical composition of the brake pads can set harmonic tones with the metal composition of the rotors. In that case, you would have to consider changing to a different composition pad, perhaps ceramic.
Ball joints squeak over bumps and would have to be really bad to squeak ,and you can get squeak from sway arm bushings and bad wheel bearings, too. But, if it just started after your new brake installation, I would check the first two things I listed as they are the easiest.
Few possibilities
Tires out of balance
Steering or suspension parts worn
Wheel bearing worn
CV joint on the axle worn/damage
Lug nuts loose
Has this happened before the brake job? Were your tires rotated recently or during the brake job? Any other parts replaced?
Didn't really notice the shake til some longer road trips on the interstate (above 65 mph) after the brake job back in mid June. No other replacement parts, just a tire rotation the same time.
Again, thanks for the troubleshooting!
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