Question about 1999 Jeep Grand Cherokee

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Noise in front end but noise stops when brakes applied

A mechanic had a look at the car today & the brakes are good. He said it sounded like the 4wd was trying to engage. Chasing I think he called it. The noise only started about a week ago

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  • stidiford58 Feb 13, 2009

    Thankyou. We have now had it fixed. The mechanic pull the diff apart, checked the drive shaft & found that it was the universal joint on the drivers side. We now have a new problem. When the car is cold the water from the reserve tank for the radiator leaks out. Had the radiator pressure tested & that is fine, still full. When the car is warm it doesn't leak.

  • monchalet May 11, 2010

    Does this sounds like :

    I hear a flapping noise,
    same as if you were to put something soft in a fan blade when I hit the brakes
    hard. FRRRRRRRrrrrrrr.... 'till stop.

    I also hear it when the Laredo hits a depression on a country road. The colder (engine and weather), the louder !

    It seems like it is whenever the truck is leaning forward. No, it is not the ABS...


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Its the tranfer case trying to lock in

Posted on Feb 13, 2009

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2 Answers

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

1 Answer

Front end noise


A few possibilities with front end noise. Possible worn shock bushings or suspension bushings. As a car accelerates or slows down, the front suspension raises or lowers, thus causing movement of front end components.

Aug 26, 2014 | 2001 Buick Century

1 Answer

Front end humming


noise is a bad sign, best is to have mechanic find it
some noises can be very very dangerous to driver for sure
the testing person,
makes noise only moving, in all gears
does it make noise moving in Neutral, coasting,
does doing that, and carefully stalling engine coasting with noise stop the noise.... yes, find a safe place to do that.
i use a steelman electronic stethoscope to find most noises.
it has a clamp on microphone, its like a $35 tools, way less that taking the whole car apart.
it will find which corner or better.
sounds to me like a bad wheel bearing.
or bent backing plate
or caliper guide pins jammed, ,rusted, or bean rotor. or? or ?
if the 4wd is disengaged, the front gears dont turn, so.....
in fact that is it prime purpose... if the the air pump is off and the lever retrated, its off. id check that tool... is front axle decoupled.....
the FSM covers this test in 1 page.
as does alldata.com ,....

Jan 22, 2014 | Jeep Cars & Trucks

2 Answers

Passenger wheel chirp / squeak that stops when brake is applied


sounds like a brake pad warning clip is making contact with the rotor applying brakes presses pad and quiets the noise. have pad wear checked by mechanic.

May 17, 2013 | Chrysler Town and Country Cars & Trucks

1 Answer

2006 ford focus front end noise stops when applying brake


saw your other post and thought you just let it go for 2 years.
did they change the rotors? an imperfection in the rotor can cause it to make a noise, you would think that the first mechanic would have changed out the rotors and pads to rule it out, i doubt it would be the caliper because it is not close enough, did they check the bearing and axle?

Oct 26, 2012 | 2006 Ford Focus

2 Answers

There is a horrible rattling noise in the front end of our 03 gmc yukon xl. i think the 4wd linkage is broken.


It sounds more like a possibly bad CV joint in an axle shaft or internal differential problem. There is no mechanical linkage to the front axle, its all electronically controlled. The front suspension is pretty good there aren't a lot of rattle type noises created from it. I need more info to diagnose better. Does it do it only moving? or stopped? over bumps only? in 4wd only? while turning? certain gears or speed only?

Jan 27, 2011 | 2008 GMC Yukon Xl 4WD

1 Answer

I have a 2003 ford explorer v6 4wd... the wife had a flat and the nieghbor changed it. ok.... she didnt know the emgerency brake was applied and drove about 10 miles. now i t could be a coincidence with...


Where was the flat? If the flat was on the Front end, the Spare may be bad or the Lugbolts are loose. If the front hit something hard enough to blow a tire, there could be related front damage. But a nail would not damage the frontend, just the tire.

You should check the E brakeshoes, but really there is a possibility the E brakes would have messed up once they were used. The parts back there could be rusty anyway and would not reset if the E brakes were off. Sounds like the neighbor did a favor and did right by setting the E brake when jacking the Vehicle.

There may be extra noise if the Spare was hung back under the vehicle. As the tire is flat it will not tuck in tight without air in it.

Jul 18, 2010 | 2003 Ford Explorer

1 Answer

2003 Explorer front end noise


Sounds like your brakes are worn out.Have them checked for free at most tire and brake locations.

Jan 06, 2009 | 2003 Ford Explorer Sport

2 Answers

94 4Runner 4WD Question


1. I would suggest that you engage your 4WD while you are in full stop and/or safe range of 5mph, however as claimed by the local dealers your vehicle is capable of engaging even while driving. Engage your 4WD while moving only when necessity requires.
2. That clicking noise while turning extreme right or left would be the birfield of your axle and would only mean your front hub is still engage even though you have disengaged transfer case.
Have your front hubs cleaned of old lubricants or grease due to non usage. dont use grease as lubricants, use thick oil such as gear oil or silicone oil. and use your 4WD every now and then.

Do this first then check if you still feel somtehing is loose on your suspension and others.

Dec 10, 2008 | 1994 Toyota 4Runner

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