Question about 1999 Mercury Cougar

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Had new front brake pads and rotors put on now when i turn left or right it makes a grinding noise? and smoke is coming out from the wheels.

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HI, Neither of these issues are good ones to have. There are a number of things that could of been done wrong or gone wrong to cause this but GRINDING AND SMOKE are telling you there is a MAJOR PROBLEM. If you did the brakes your self did you compare the old parts to the new ones to make sure they were exact size diameter thickness depth of center dish on the rotor?
If you didn't install them take the car back to who did.

Posted on Aug 27, 2010

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Brakes make a whistle noise when applied and sometimes a low grown or grinding when coming to a slow stop or start.


A grinding or rumbling noise can also be symptoms of a wheel bearing or constant velocity joint in a driveshaft. A worn wheel bearing can also cause a 'whistling' sound (as can a worn CV joint).

A grinding noise with brakes is either worn pads causing metal to metal contact on the brake disk/rotor, or the brake backing plate catching on a spinning rotor ... or a loose/missing anti squeal brake shim (they stop the pads from rattling and vibrating).

However, as you say a mechanic has looked at the brakes and can't find anything wrong .. I think I would begin to suspect a wheel bearing or constant velocity joint on the driveshaft (front wheel drive cars).

May 05, 2016 | 2007 Honda Accord Sedan

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What could be the problem with my car when there is a grinding noise as I turn my steering wheel to the left while driving


Brahe shoes wore and metal to metal rubbing, check wheel bearings, I would think you have the right size tires and are not rubbing.

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2 Answers

When I make a left turn only, and break, it sounds like something is rubbing or grinding. If I turn left without breaking, I don't hear anything. No noises when turning right or braking while driv


If the problem is as bad as it sounds, you may be close to parking it until fixed.
Normally, if you turn left, your are "loading" the right side, and visa-versa.
Think of it this way.
Picture a car going fast around a turn. The wheel on the inside of the turn might actually lift off of the ground, it is "unloaded".
With that thought in mind, look closely at the right front wheel. Start with the brake pads and /or rotor ( what the brake pads rub on to stop the car.)
Check the rotor inside and out. A good flashlight will do.
Pull the right front wheel and see if the pads are worn out or the rotor is no longer smooth, but "torn up" on the inside or the outside.
If the pads and the rotor is fine, next look at the wheel bearings.
This will be a bigger problem, probably a shop needs to check this out.

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1 Answer

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

Grinding or rubbing noise in left front wheel, mostly when braking . What do i look for?


Grinding is a sign on brakes in need of replacement. Your pads are worn through and now the metal backing plate of the pad is grinding up against the rotor. Replace the pads and rotors asap to prevent further damage.

Mar 30, 2012 | Cars & Trucks

1 Answer

98 Nissan Altima Grinding Noise? My mother in law has a 98 nissan altima with an automatic. She recently had the rotors turned and a tie rod end replaced at a local shop. A couple days after the work was...


Hello i would check your wheel bearings or sometimes called bearing hub .Jack car up prop the car with axle stands now remove your tires and rotors once removed wiggle you bearing hub left to the right your bearing hub should have minimal play one side to the other is obvious the looser play hub will be your noise you have been experiencing.most people call this road noise.

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1 Answer

2004 Hyundai Santa Fe? squeaky noise frnt driver side wheel


I do think the same way. If the pads look flat and not so worn have the rotor turned to eliminate the squeaksyou are encountering

May 31, 2010 | 2004 Hyundai Santa Fe

3 Answers

I replaced brake rotors and pads on front end.Now the driver side brakes grinds and when i stop the car,i noticed this side is smoking. I'm pretty sure i assembled it correctly.


You obviously need to take it back apart and see what the issue is. Did you install the pad backwards?? You could have cocked the piston when you compressed it back in .

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Where do you put the brake fluid on this car? Because, my car is making a grinding sound when I put my foot on the brake.


The grinding noise probably means you need to put new brakes on. If you fill the brake fluid reservoir, and then change the brakes, the new fluid will run out anyways, because the new brakes will have to be put in, and the fluid will run out.

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4 Answers

04 cavalier makes grinding noise in front end turn the wheel to the right grinding gets worse turn the wheel to the left grinding stops. it sounds worse at 40mph and above. what would cause this?


3 things to check:
Worn disc brake pads, grinding against the rotor.
Wheel bearing
cv joint.
You posted grinding gets worse turning to the right, the problem is the driver side wheel, but it would be best to have both wheeles checked.

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