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Old 03-24-2012, 10:23 AM   #1
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Name some front end moving parts!

I have a squeak, i hate chasing squeaks....

I know about u-joints but is there any bearings in the axles.

What would you look at first if you had a high pitched squeal while moving? Sounds like brakes but i checked them, and they look good...

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Old 03-24-2012, 10:37 AM   #2
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Does it go away when you apply brakes. I know I get sand in mine sometimes and they will do that for a few days or until I clean them.

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Old 03-24-2012, 11:14 AM   #3
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Take a can of penetrating oil and blast your front driveshaft joints, especially the t-case end. If you've already done that an audio clip would be nice... Could be lots of things.
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Old 03-24-2012, 11:16 AM   #4
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Is it a chirping or a steady squeal (fan belt)?
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Old 03-24-2012, 11:18 AM   #5
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a rythmic squeak that increases with speed- sounds like the double cardan ujoint at the t-case.

Hub bearing? maybe....

Does it do it regardless of how fast or slow you go? Can you hear it if you crawl? If so... have someone drive it ans walk next to it to try and isolate the noise.

a squeal could be a bad idler or tensioner pulley, though I have had a tensioner with a bad bearing have a rhythmic squeak
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Old 03-24-2012, 12:37 PM   #6
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this is what I have observed. Straight line driving there will be a light squeal (like when brake pads are wore out and the warning tab starts to make noise) that will go away with braking. It is more pronounced when driving around a interstate clover leaf on-ramp (harder lateral load on the wheels.

brakes look almost new still, excellent pad wear with a lot of material left, rotors are new looking with no warping or scratches/gouges on the surface.

Double cardan has new u-joints about 10 months old. U-joints at the axle ends do have play (front lifted the driver side tire has about 1/4"-3/8ths play when push/pulling the top of the tire, passenger side has less) with the tires off there is less play noticable but some there non-the-less.

With the noise more pronounced in lateral turns I was thinks bearing hub...is there such a thing on our front axles.
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Old 03-24-2012, 12:46 PM   #7
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Unit bearings are going out if you have that kind of slop in them. Search unit bearing replacement.
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Old 03-24-2012, 01:52 PM   #8
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Kev, have you ever changed your unit bearing? I jacked up my Jeep & tested with the mothod you described & mine has no play at all.
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Old 03-24-2012, 02:03 PM   #9
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i wasnt sure what all is in the axle ends, i assumed the u-joints are an area of slop, but knew there had to be set of bearings at axle end. most everything I have owned has been independent suspension and have had some kind of hub up front...still learning the solid axles set up.

i may do u-joints both side, and replace the unit bearings. seems like other than the brake rotors, thats the only thing that spins that can make a squeal.

have i mentioned I hate chasing squeals!!
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Old 03-24-2012, 09:25 PM   #10
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I know what you mean, hunting for little noises can be a PITA.
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Old 03-24-2012, 09:45 PM   #11
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Also the Jeep front wheel bearing (the type that is on my '01 at least) is not like any other solid front axle I"ve seen or worked on. When I looked at it for the first time all I could think was "that's it, just one little bearing". I guess I'm just not familiar smaller 4x4's, I mostly work on F-350's & the Jeep is quite different.
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Old 03-24-2012, 09:47 PM   #12
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i guess I need to take it apart and see what all is in there...will the unit bearing replace the lugs and wheel mounting surface?
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Old 03-24-2012, 10:05 PM   #13
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Yep, all new, and with a tight new bearing your little noise might go away!
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Old 03-24-2012, 10:54 PM   #14
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i swear by the time i am done i am going to ask the DMV for a odometer reset, cause everything is going to be new on it, lol
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Old 03-24-2012, 11:20 PM   #15
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Hahaha, WE WILL NEVER BE DONE!!

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