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Unread 03-11-2013, 11:27 AM   #1
CanaanTSA5
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Squeeling Noise From Passenger Side Wheel

I can't tell exactly where it is coming from. It's a high pitched squeeling noise. Not crazy loud though. Couldn't hear it with the radio on.

It happens more often when the Jeep has been sitting for a few hours and then starts moving. It goes away after a few minutes, I'm assuming after something heats up.

The front brakes are about 45% left. Rotors aren't that old.

I have sprayed the crap out if it with water at the spray and wash thinking it was dirt somewhere..no go.

Any ideas?

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Unread 03-11-2013, 01:29 PM   #2
louie5505
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Quote:
Originally Posted by CanaanTSA5
I can't tell exactly where it is coming from. It's a high pitched squeeling noise. Not crazy loud though. Couldn't hear it with the radio on.

It happens more often when the Jeep has been sitting for a few hours and then starts moving. It goes away after a few minutes, I'm assuming after something heats up.

The front brakes are about 45% left. Rotors aren't that old.

I have sprayed the crap out if it with water at the spray and wash thinking it was dirt somewhere..no go.

Any ideas?
Mine is doing the same thing! I have no idea what it is
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Unread 03-11-2013, 01:36 PM   #3
CanaanTSA5
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I don't think its anything harmful. Its just really annoying. Any insight?
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Unread 03-11-2013, 11:58 PM   #4
Uniblurb
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Sure it isn't your brake caliper sticking causing one of the pads to rub/squeal on the rotor until you drive it a little while and it releases? You may want to remove your wheel and make sure your brake sliders are working good while also checking for groves in the bottom rail where the pads ride/slide.

I used to have all kinds of brake squealing/squeaking problems until I put ceramic pads on all 4 of our Jeeps. I also use this CRC Disc Brake Quiet on the backs of all my pads where they touch the metal or the caliper piston. Some real good stuff, sold at most auto parts stores, and a little $6 bottle will last you forever.

http://www.crcindustries.com/ei/cont...x?PN=05016&S=Y
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Unread 03-12-2013, 12:09 AM   #5
CanaanTSA5
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Quote:
Originally Posted by Uniblurb View Post
Sure it isn't your brake caliper sticking causing one of the pads to rub/squeal on the rotor until you drive it a little while and it releases? You may want to remove your wheel and make sure your brake sliders are working good while also checking for groves in the bottom rail where the pads ride/slide.

I used to have all kinds of brake squealing/squeaking problems until I put ceramic pads on all 4 of our Jeeps. I also use this CRC Disc Brake Quiet on the backs of all my pads where they touch the metal or the caliper piston. Some real good stuff, sold at most auto parts stores, and a little $6 bottle will last you forever.

http://www.crcindustries.com/ei/cont...x?PN=05016&S=Y
I do know that one of the front rotors felt like it was warped a bit when I first got them on a while back. But it stopped pulsating while braking right before winter hit. It might be the passengers side rotor. Could that theoretically be causing something to stick?

Brakes really aren't my forte...
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Unread 03-12-2013, 03:10 AM   #6
Uniblurb
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Quote:
Originally Posted by CanaanTSA5 View Post
I do know that one of the front rotors felt like it was warped a bit when I first got them on a while back. But it stopped pulsating while braking right before winter hit. It might be the passengers side rotor. Could that theoretically be causing something to stick?

Brakes really aren't my forte...
Sometimes when rotors are warped you can feel the vibration from the front end and like you said, the brakes will pulse when applied. Not good for your brakes at all, wheel bearings, and tire wear. With a warped rotor it can also loosen up the pads a little where they clip on and can cause some squealing.

Believe I'd remove the wheel and see how easy the rotor turns without it. Maybe before removing the wheel grab the tire on the outside edge and see if it moves back/forth to see if you have slop in your wheel bearing. Look at the pads and if one is wearing a lot more than the other then most likely your caliper isn't sliding correctly on the rail and is sticking.

Remove the caliper by prying it out at the top and try moving the slider pins (bushings) the bolts go through with the rubber boots on the end. They should move back/forth easily and if they don't you can remove the pin w/ the rubber boot on one end. Then use a high-temp brake grease on the pins and put a little on the top/bottom rails the pads slide on. Use no other grease other than high-temp special brake grease on any front brake parts or it will melt.

If your pins are sticking badly, or the whole caliper is rusted up, new rebuilt calipers are cheap and only $20-25/each. Depends if you can loosen them up or not. Also spin your rotor with caliper removed and see if it tracks straight w/a couple lugs on it. Below is a diagram, good luck, and ask if you need any other info.

BTW, I've replaced brake pads even with part of the pad left if they look like they've been overheated, highly glazed, and small cracks in the pad material.
brake-caliper-front-sec-5-19.jpg  
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Unread 03-13-2013, 05:46 PM   #7
zlieberman
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unit bearing

If there is a high pitched squeel comeing from the wheel area that isnt being caused by the brakes, I bet it is a wheel bearing. There is a lip seal that gets flipped inside the bearing and can cause this noise. No fixing it other then replacing the wheel bearing. Ive done many of them.
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Unread 03-13-2013, 06:48 PM   #8
CanaanTSA5
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Quote:
Originally Posted by Uniblurb View Post
Sometimes when rotors are warped you can feel the vibration from the front end and like you said, the brakes will pulse when applied. Not good for your brakes at all, wheel bearings, and tire wear. With a warped rotor it can also loosen up the pads a little where they clip on and can cause some squealing.

Believe I'd remove the wheel and see how easy the rotor turns without it. Maybe before removing the wheel grab the tire on the outside edge and see if it moves back/forth to see if you have slop in your wheel bearing. Look at the pads and if one is wearing a lot more than the other then most likely your caliper isn't sliding correctly on the rail and is sticking.

Remove the caliper by prying it out at the top and try moving the slider pins (bushings) the bolts go through with the rubber boots on the end. They should move back/forth easily and if they don't you can remove the pin w/ the rubber boot on one end. Then use a high-temp brake grease on the pins and put a little on the top/bottom rails the pads slide on. Use no other grease other than high-temp special brake grease on any front brake parts or it will melt.

If your pins are sticking badly, or the whole caliper is rusted up, new rebuilt calipers are cheap and only $20-25/each. Depends if you can loosen them up or not. Also spin your rotor with caliper removed and see if it tracks straight w/a couple lugs on it. Below is a diagram, good luck, and ask if you need any other info.

BTW, I've replaced brake pads even with part of the pad left if they look like they've been overheated, highly glazed, and small cracks in the pad material.
Took it all apart. Nothing looks out of the ordinary to me. Nothings rusty at all. Pads look a bit worn, but worn evenly on each side of the truck. Everything is spining, turning, and looks like it should.

I actually haven't heard the noise since I did that though. Might just be the warmer weather though? Or could I have just had a little bit of sand in the wrong spot that got trapped?
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Unread 03-13-2013, 06:50 PM   #9
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Quote:
Originally Posted by zlieberman View Post
If there is a high pitched squeel comeing from the wheel area that isnt being caused by the brakes, I bet it is a wheel bearing. There is a lip seal that gets flipped inside the bearing and can cause this noise. No fixing it other then replacing the wheel bearing. Ive done many of them.
Since I took apart the brakes and put them back I haven't heard the noise, but if it comes back I'll check that out too. Thanks!
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Unread 03-13-2013, 09:35 PM   #10
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Quote:
Originally Posted by CanaanTSA5 View Post
Took it all apart. Nothing looks out of the ordinary to me. Nothings rusty at all. Pads look a bit worn, but worn evenly on each side of the truck. Everything is spining, turning, and looks like it should.

I actually haven't heard the noise since I did that though. Might just be the warmer weather though? Or could I have just had a little bit of sand in the wrong spot that got trapped?
Sometimes I'll get a piece of gravel stuck up between the back rotor face and the dust shield which will squeak but not all the time. You would think it would fly out at high speeds but sometimes I've had to knock them out.

Glad your front rotors/brakes checked out ok and hope you don't hear the squeaking noise anymore.
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Unread 03-13-2013, 09:49 PM   #11
KoreaZJ
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Quote:
Originally Posted by Uniblurb View Post
Sometimes I'll get a piece of gravel stuck up between the back rotor face and the dust shield which will squeak but not all the time. You would think it would fly out at high speeds but sometimes I've had to knock them out.
Squeaks more during turns? Or doesn't matter?
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Unread 03-13-2013, 11:11 PM   #12
Uniblurb
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Originally Posted by KoreaZJ View Post
Squeaks more during turns? Or doesn't matter?
Doesn't really seem to matter and it's not squeaking now. My 900' curvy drive up a steep ridge is loose limestone gravel is where I'll pick up a rock now and then between the dust shield/rotor. In fact often when I head down the road I can here the rocks fly out of my tire treads into the wheel wells. I try to make sure nobody is coming for a long way when I pull out of the drive so I don't pelt them with rocks.
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Unread 03-18-2013, 08:37 PM   #13
Treleaven
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I just started getting this the other day. My squeeling sounds similar to something in the brakes but it comes and goes and can change with a wiggle of the steering wheel.
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Unread 03-18-2013, 09:34 PM   #14
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Dust cap

I had the same issue after I replaced my axle shafts,

Somehow during the process i tweaked my dust cover,

A quick tweaking with a pry bar fixed it forever.
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Unread 03-18-2013, 11:37 PM   #15
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Need to try that. Mine have a tinny screech at times like the shields are rubbing.
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