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Question DetailsAsked on 3/26/2012

just put front breaks on my 1997 nissan 5 or 6 months ago now when they get hot they make a loud sqeeling sound what can it be

the car is a 1997 nissan altima

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2 Answers

0
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I would need quite a bit more information about this problem before i could give you a direct answer, but from what youv'e said it sounds like you didn't seat your pads on the front after installation , go down a back road somewhere or a road with not much traffic ,from a dead stop get up to about 30-40 mph and push on the brakes really hard, do this a couple of times and if its not too late ,this might fix your problem, GOOD LUCK !!!

Answered 7 years ago by kenno25

0
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In addition to what the other suggestion said, also try backing up at about 10 mph and then slamming on the brakes - sometimes the pads will seat right going forward, sometimes back, sometimes not at all without taking them off. This rapid stop procedure can also be used to dislodge pieces of rock jammed between the pads and the rotor - commonly occurs ongravel road dirving and when driving on dirt or gravel roads when muddy or slushy - though when that happens the squeel usually occurs whether brakes or on or not.

Another possibility - if these are metallic or semi-metallic pads, you may have a large piece of metal in the pad material that it sticking out at an angle rather than flat like it is supposed to - can make an awful squeel. Feel you rotors on the front (probably have to remove wheel to do this) - if you have a distrinct groove in an otherwise fairly smooth or just lightly rippled surface, this may be your problem. Our Durango had this when new - screamed at about 140 decibels when brakes were put on. Because they have been on 5-6 months, I would think this or a trapped rock is more likely than improperly seated pad.

One other possibility is your caliper pistons are not retracting all the way when the brakes are released, usually due to dirt or corrosion inthe piston cylinder - if this happens the squeel will be after braking rather than during braking, and commonly will continue as a faint squeel when driving wit foot off the brake pedal, or may occur as a chirp with every rotation of the wheel as a high point onthe disc goes by the pad. This can cause overheating of the disc and bearings and tire, and will result in premature disc and pad wear, so if you have noise whith the brakes off get it looked at ASAP.

One other possibility, though rare, is that a rivet on a pad has broken or pulled through, so the pad is warped and the rivet head is sticking out, making a squeel when the pad is touching or very close to the disc during braking. If this is the case,will usually start to squeel as the brakes are applied before you feel and braking effect, and continue through braking.

Answered 6 years ago by LCD




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