Squeaky wheel/bearing noise when turning - JeepForum.com

 
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post #1 of 12 Old 09-05-2004, 09:24 AM Thread Starter
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Squeaky wheel/bearing noise when turning

I have a 1998 Grand Cherokee and when I turn the wheels either way, there is a rotating squeak. Squeak, pause, spueak, pause as I turn slowly. It is rythmic, so I am thinking maybe a wheel bearing?

Any help would be appreciated. Thanks.

James

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post #2 of 12 Old 09-05-2004, 11:08 AM
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Quote:
Originally Posted by 1987 Wrangler
I have a 1998 Grand Cherokee and when I turn the wheels either way, there is a rotating squeak. Squeak, pause, spueak, pause as I turn slowly. It is rythmic, so I am thinking maybe a wheel bearing?

Any help would be appreciated. Thanks.

James

Bearings usually grind. Brakes usually squeak. I would raise the wheels and spin them by hand. You should be able to better locate the source of the sound that way.

HTH

Warren
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post #3 of 12 Old 09-05-2004, 08:07 PM
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If Jeep does one thing thatís great, then itís wheel bearings. They are over-designed and tough as nails; useless you submerge them. I have bought two new jeeps and never have I replaced the wheel bearings. BTW they are not serviceable.

Cheers Steve

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88 Cherokee 2-door with 5speed manual 139K miles(deceased) purchased new
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post #4 of 12 Old 09-06-2004, 05:44 AM Thread Starter
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Quote:
Originally Posted by wvd
Bearings usually grind. Brakes usually squeak. I would raise the wheels and spin them by hand. You should be able to better locate the source of the sound that way.

HTH
If it's the brakes, is it possible they would only squeak when turning?
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post #5 of 12 Old 09-06-2004, 10:27 AM
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Quote:
Originally Posted by 1987 Wrangler
If it's the brakes, is it possible they would only squeak when turning?
It's entirely possible.
The brake pads have a metal back that is up against a metal puck (the brake piston). The caliper is mounted to the wheel at an angle. When you turn the wheels, the camber changes. It is possible one or more of the brake pads is falling against the rotor and vibrating against the caliper piston. This is usually what produces squealing disc brakes. Take a look at the rotor and pad surfaces. Ensure they are not glazed or grooved. Take out the pads and inspect the backs for corrosion. There is a liquid compound you can buy at the autoparts store to stop disc brake squeal. Go ahead an apply it according to directions. Reassemble the brake. Don't forget to clean and lubricate the pins. This should cure your squealing problem.

HTH

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post #6 of 12 Old 09-06-2004, 04:50 PM
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As Warren has pointed out, the PINS are the most important part of a brake job. The caliper needs to move, so lube them up good.

Cheers Steve

94 Black Laredo 4-Liter with QuadraTrac (42RE trans & NP249 TC) 200,000 + miles purchased new

88 Cherokee 2-door with 5speed manual 139K miles(deceased) purchased new
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post #7 of 12 Old 09-11-2004, 01:15 PM Thread Starter
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Quote:
Originally Posted by wvd
It's entirely possible.
The brake pads have a metal back that is up against a metal puck (the brake piston). The caliper is mounted to the wheel at an angle. When you turn the wheels, the camber changes. It is possible one or more of the brake pads is falling against the rotor and vibrating against the caliper piston. This is usually what produces squealing disc brakes. Take a look at the rotor and pad surfaces. Ensure they are not glazed or grooved. Take out the pads and inspect the backs for corrosion. There is a liquid compound you can buy at the autoparts store to stop disc brake squeal. Go ahead an apply it according to directions. Reassemble the brake. Don't forget to clean and lubricate the pins. This should cure your squealing problem.

HTH
I pulled the pads, put the red anti-noise goop liberally on the backs fo the pads, lubed the pins and still have the squeak. All zerk all well lubed as well. The 1998 Grand Cherokee only has about 73,000 miles on it.

I was hoping this would fix it, but no dice...any other ideas?
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post #8 of 12 Old 09-11-2004, 04:11 PM
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Quote:
Originally Posted by 1987 Wrangler
I pulled the pads, put the red anti-noise goop liberally on the backs fo the pads, lubed the pins and still have the squeak. All zerk all well lubed as well. The 1998 Grand Cherokee only has about 73,000 miles on it.

I was hoping this would fix it, but no dice...any other ideas?

Dang, I hate it when that happens
OK, here's something to try that won't cost you any money.
When your engine is completely cool, remove your serpentine belt, start it up and turn your wheels. Expect it to be hard since you won't have power steering, but give it a go and see if the squeak disappears. Remember not to run it too long, since you won't have fan or water pump.

HTH

Warren
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post #9 of 12 Old 09-11-2004, 06:17 PM
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Quote:
Originally Posted by 1987 Wrangler
I have a 1998 Grand Cherokee and when I turn the wheels either way, there is a rotating squeak. Squeak, pause, spueak, pause as I turn slowly. It is rythmic, so I am thinking maybe a wheel bearing?

Any help would be appreciated. Thanks.

James
Just a thought, have you looked at the front universal's?
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post #10 of 12 Old 09-11-2004, 06:28 PM
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Quote:
Originally Posted by michiganmaveric
Just a thought, have you looked at the front universal's?
The only universals on the front of his Jeep are in the double cardon on the rear of the driveshaft. All else up front is CV.

Warren
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post #11 of 12 Old 09-12-2004, 05:11 AM Thread Starter
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Quote:
Originally Posted by wvd
Dang, I hate it when that happens
OK, here's something to try that won't cost you any money.
When your engine is completely cool, remove your serpentine belt, start it up and turn your wheels. Expect it to be hard since you won't have power steering, but give it a go and see if the squeak disappears. Remember not to run it too long, since you won't have fan or water pump.

HTH
What will this tell me if the squeak disappears with the belt removed like you suggest?

Thanks.
James
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post #12 of 12 Old 09-12-2004, 07:05 AM
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Quote:
Originally Posted by 1987 Wrangler
What will this tell me if the squeak disappears with the belt removed like you suggest?

Thanks.
James

That you have bad bearings in a rotating component such as the power steering pump or alternator or idler pulley.


Warren
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