Question about 2003 Mercury Mountaineer

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I just replaced rotors and breaks thinking the whining and grinding would go away. and it didnt. it does it when in coming to a stop. i was wondering what it might be its getting worse

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We use a clip on listening device here,perhaps you can hire one or local garage may have one.Just clip each of the pickups to an area where you think noise is from and drive and listen for the loudest(closest to fault)inspect that area.
Ensure that it isn't in 4wd on tarmac use.Check each wheel while raised for excess movement in hubs and that drive axles are not damaged.
Does the noise come from any particular side or is it front/rear?
Hope this helps some towards pinpointing fault.Get back to me with your findings.

Posted on Apr 10, 2011

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Posted on Jan 02, 2017

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I had a constant grinding coming from front passenger tire. Replaced Caliper and put the worn pads back on for a day, the constant grinding went away. It would still grind while braking,hitting a bump


It sounds like the brake pads are metal to metal, when you turn the flexing of the wheel makes them touch the rotor and grind. This can rarely be caused by a badly worn wheel bearing as well, have both brakes and wheel bearing inspected.

Mar 02, 2017 | 1999 Pontiac Grand Am GT

1 Answer

Ok when i am driving my car and when i need to apply the breaks they make a almost squealing noise but after i drive for a little the stop any help will be much appriciated


I have same problem; turns out all Honda Accords of this generation (2003-2007) do this. It has something to do with cold brakes and unseated pads, and the first time you stop from medium speed, you will hear a grinding, maybe from the back of the car (i think in my case).
My girlfriend looks at me, and we both wonder what it is, but it goes away in about 1 minute and I've realized it's only when the brakes are cold and it's not a problem. My brakes are basically ok, and there is nothing to fix...
I've done enough reading about this car on the internet, I feel pretty sure everybody's Accord does this, so I stopped worrying about it. A real problem, the sound would not go away as soon as the brakes warm up and seat the pads. After that, the breaks work fine.
If it was worn pads, the squealers will start up and not go away quickly. If it was a worse problem, the sound would grind continuously until fixed.
The two major problems with Honda Accord brakes are: 1) Brake judder at hi-speed medium braking. If you are going downhill, and just want to slow the car a little, if your rotors are getting worn, the steering wheel will give you feedback as brake judder. Hit the brakes harder, it will go away but it's scary and requires the rotors be replaced with a much higher quality rotor than came from the factory, and probably want to use ceramic pads (like Bendix CQ or CT). 2) Back brake pads wear down quickly. I read about this constantly with Accord owners, the EX back brakes are smaller rotors and pads than the front, but the electronic brake distribution system of the Accord will balance brake force between front and back, so the front pads will actually last longer than the back pads! This is very unusual but entirely normal for this car. Most cars are the opposite but that may change as we see new generations of cars with more evenly balanced braking front to rear. Be ready and watch your back brakes closely. Mine were toast at 30k...
I replaced my back pads and rotors, used cheapest new rotors I could find, and ceramic pads, and they have lasted considerably longer than the first set.
I now have 92k on my 2004 and the original front brakes are ready to be replaced. I replaced back brakes at 34k I think, and was very surprised they needed replacement at early, but the new pads have gone almost 60k, but look ready to be replaced sometime this year I think.
I have bad judder on high speed braking, but the pads are still ok in front. Rotors are **** in front and I'll replace with Centric Cryo-Stop rotors, they should last a long time as long as they get put on straight and I don't let anybody warp them with an air gun at the tire shop...
Two other more minor problems to watch for on this car: 3) Inner pads may wear faster than outer pads, because the caliper is on the inside, and forces the outside pads to contact the rotor after the inner pads are already braking. Seems like all Accords do this at least a little. The inner pads are not easily viewed without removing wheels, so it's hard to tell, but if your outer pads look like they are starting to get worn down pretty well, chances are good the inner pads are even more worn and you are ready to replace pads. 4) Pads may wear faster on one side of the car (fronts) faster than the other side. For example many people report driver side pads wear faster than passenger side. And the reasons proposed have to do with fast stopping for right hand turns or freeway loops. The car spends more time being braked in a right turn than a left over time.. But of course, on my car, it seems to be the opposite. The passenger side is wearing faster! Go figure..

Jan 12, 2010 | Honda Accord Cars & Trucks

1 Answer

Squealing or clicking sound and then next day grinding sound louder when you take foot off accelerator clicking sounds from right side grinding underneath 2002 grand cherokee


Squealing usually indicates that the brakes are in need of replacement. There is a small piece of metal that as the brake pads wear comes in contact with the metal rotor. When the pads get close to being worn away the tab touches the rotor and it squeals. The tab can also click.
When the pads are worn away completely the metal backing comes in contact with the rotor and it grinds. Grinding is bad. It means the car's brakes are metal to metal. This will cause damage to the rotors resulting in an even more costly brake job.
You should have it taken care of ASAP.
I hope this helps.

Oct 16, 2009 | 2002 Jeep Grand Cherokee

2 Answers

I have a 2000 Cavalier, it started squeeling a little when stopping (but stops fine). The squeel got worse and now does it when i drive, and when i stop it makes a grinding noise buit still stops fine? Any...


YOU NEED TO REPLACE THE BRAKES...ASAP
The sqeal was the brakes warning you that they were getting low, when they were sqeeling all the time, they were telling you they were about gone. Now that they are grinding, you will most likely need rotors as well. Get them replaced asap !

Jul 04, 2009 | 1997 Chevrolet Cavalier

1 Answer

Grinding noise in front end when coming to a stop,


could be a stone stuck in one of the calipers , sometimes driving in reverse can clear the stone.

Jun 26, 2009 | 2002 Pontiac Grand Am

2 Answers

Steering wheel vibrates when i apply brakes. I have replaced rotors, calipers and breaks 3 times and the problem comes back after about 6 months or so. Any Ideas? Is this a flaw in design? are the breaks...


yes i have heard of this.check your tierod ends just to make sure they are good.But im sure its just those rotors warping.The next time u need brakes buy slotted and drilled rotors.they are pretty cheap on e bay.that allways fixs the problem you are having.The only other thing you can do if you dont want to upgrade rotors is. to keep the rear drum brakes adjusted.If you even have them.Come to think of it if you are having this problem with 4 wheel disk.then you might be having a problem with the combination valve. or the proportioning valve.But i think its just the rotors.

Mar 11, 2009 | 2002 Dodge Intrepid

3 Answers

'04 Corolla Grinding noise when breaking


Even though there may be some brake pad remaining, sometimes you need to machine or replace the rotors in order to get rid of a noise. Rotors can develop a bad wear pattern that acts against a glazed pad to produce a loud noise even if they are not worn out. Replace the front brakes, pads and rotors.

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Grinding sound when step on break


Sounds like your brake pads/shoes need replaced. When the brake linings wear out, you have metal to metal when you step on your brake pedal. You may have to replace rotors/drums due to severe scarring.

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