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Old 12-16-2015, 10:26 AM
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Loud screeching/squeaking sound

1998 Jeep TJ 4 cyl
So last night I was driving home and when I started driving and got about above 5 mph, something in the front left started making a loud screeching/squeaking sound. As I drove for about 5 minutes the screech started only appearing at higher speeds until I wasn't going fast enough for it to come back. This happened again this morning except this morning it took a little longer than 5 minutes. I am guessing my brake pads are toast but haven't had a chance to look at them. This is happening after cold starts. Anybody got any ideas?

Thanks
Bryce

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Old 12-16-2015, 10:42 AM   #2
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First thing I would check would be the brakes. It could be a seized caliper. Does the sound correlate with the speed of the Jeep, or does it just happen at higher speeds and not at lower speeds?

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Old 12-16-2015, 11:05 AM   #3
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Have you been in mud or dirt recently? Mud and other debris can get caught in the brakes/wheel and make this noise. Its happened to me a couple times. If you have, it just takes a pressure washer to fix it.
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Old 12-16-2015, 12:18 PM   #4
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I just had a similar issue with my '00 tj. I would probably check brakes first but if that's not it it could be your front drive shaft knuckle (at least that's what I call it). It's actually right under the drivers seat. I couldn't figure out what was squeaking on my jeep until I put it up on 4 jack stands and got it up to a speed that it sqeaks at (around 30 to 40mph) and that's what it was. I also thought it was coming from front end. A somewhat simple test would be to take 4 bolts from u joint clamps in front and 4 bolts from back of knuckle under drivers seat, then remove shaft and drive without it. 4wd obviously won't work but your good to go other than that. My knuckle is getting rebuilt as we speak. Unless your planning on changing u joints while u have it out be very careful not to let bearings fall off.
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Old 12-16-2015, 12:54 PM
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Alright so I drove to school for about 5 min and its wasn't an entirely cold start but the screeching appeared at 30 mph this time and disappeared to up to about 40 mph by the time I got to school. The frequency of the screeching does increase in correlation to speed when it is screeching. I was in mud on Saturday but I power washed the Jeep and the screeching only appeared last night so it didn't appear for 2 days after mudding. I don't recall exclusively cleaning the brakes however. I won't get a chance to look at them until friday because of finals week this week.
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Old 12-16-2015, 01:05 PM   #6
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When you get a chance to check things out i wound also suggest you take a look at the front driveshaft ujoints and centering ball.

The centering ball in my front driveshaft got low on grease and started making a high pitched chirping. Adding more grease to the centering ball fixed that problem, although the right way to fix it would be to actually buy a new one.

My problems occurred after somd mudding too. I can almost guarantee the centering ball assembly ran out of grease.
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Old 12-16-2015, 02:11 PM
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I will look at this but how would my front drive shaft u-joints be making noise if they are not moving?
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Old 12-16-2015, 02:37 PM   #8
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I will look at this but how would my front drive shaft u-joints be making noise if they are not moving?
Isnt this happening while you are driving? If you are driving, all the ujoints are moving.
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Old 12-16-2015, 03:37 PM
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Isnt this happening while you are driving? If you are driving, all the ujoints are moving.
Oh wow yes that makes sense. Don't know why I thought the front driveshaft didn't move. But yes I'll check that out thanks.
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Old 12-16-2015, 04:20 PM   #10
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I am in the EXACT same situation. I went in the snow/mud Sunday. The next day this terrible chipping noise starts when I'm driving and when I cold start. Took it in and they said it's not the UJoints.
I want to try to add more grease to the centering ball, but how do I do that?
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Old 12-16-2015, 04:32 PM
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I am in the EXACT same situation. I went in the snow/mud Sunday. The next day this terrible chipping noise starts when I'm driving and when I cold start. Took it in and they said it's not the UJoints. I want to try to add more grease to the centering ball, but how do I do that?
Did a quick search on Google and found this:
http://midsouthjeeps.com/forum/topic...entering-ball/
"Angry Sparrows" sounds a lot like our problem.
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Old 12-16-2015, 05:02 PM   #12
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There should be a grease fitting on it. It won't look like a normal Grease fitting and you will probably have to buy a special tip for your grease gun.
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Old 12-17-2015, 12:16 AM   #13
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There should be a grease fitting on it. It won't look like a normal Grease fitting and you will probably have to buy a special tip for your grease gun.
The stock centering ball assembly is sealed, so no grease fitting. If you buy a new one that is greasable ( Dana spicer 211355x) that will come with a low profile grease fitting. You will need an adapter for you grease gun if you do that.

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Did a quick search on Google and found this:
http://midsouthjeeps.com/forum/topic...entering-ball/
"Angry Sparrows" sounds a lot like our problem.
The above method will not work for a stock driveshaft with sealed centering ball assembly.

In order to grease the sealed stock one, you can 1) stick a needle adapter on your grease gun and slip it under the seal on the centering ball assembly, or 2) take the 1st ujoint and centering ball asswmbly out of the CV yoke and repack the whole centering ball assembly. I chose option 2 and havent heard any chirping for several thousand miles even after recent mudding trips.
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Old 12-17-2015, 09:55 AM   #14
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I'm not sure how much a new centering ball assembly costs but I took mine to a mechanic and getting it rebuilt. Cost for that is $120 - $140. My rubber dust shield that goes over the part of the centering ball that u can see was broken so I figured I would go ahead and get it fixed right as I am in the woods a lot.
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Old 12-17-2015, 07:40 PM   #15
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Took her into the shop tonight
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Old 12-17-2015, 08:11 PM
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Took her into the shop tonight
Please share your results! Tomorrow I'm going to remove the drive shaft and grease the centering ball, if it's not too gone already...
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Old 12-17-2015, 09:24 PM   #17
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It should be just fine if you only drove on it for a little while. I drove with mine sqealing for about 50 miles or so and there was no noticible damage. YMMV

If you end up needing to take the centering ball assembly out and you dont have a bushing press tool to get the 1st ujoint out, a 5" c-clamp and 26mm socket works well to press out the ujoint caps.
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Old 12-18-2015, 04:59 PM   #18
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So the mechanic said it's definitely the centering ball making that noise. He said it should be $300 dollars for shop time+parts(this sounds really high to me) or maybe $700 if they need to take everything apart and then weld the driveshaft? If anyone has advice please help, I told him I would call him back later.
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Old 12-18-2015, 05:19 PM   #19
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That is ridiculously high. $120-$150 would be a lot more reasonable if the driveshaft is already out of the vehicle. If they are going to charge you $700 to rebuild and fix the old one, go buy a $350 brand new Tom Woods drive shaft for literally half the cost.

Ujoints are $15 or so each, and the centering ball is $55. So you are looking at $100 in parts and $200 in labor? With the hydraulic presses they have, it should take them less than 10min if the driveshaft is already out of the vehicle.

Unless you have been driving on this for awhile, the shaft the centering ball rides on will not need to be replaced.

If you have some tools and are willing to learn, i would encourage you to pull the driveshaft out yourself and then you can decide if you want to replace everything yourself or bring it to a shop.
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Old 12-18-2015, 05:45 PM   #20
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That is ridiculously high. $120-$150 would be a lot more reasonable if the driveshaft is already out of the vehicle. If they are going to charge you $700 to rebuild and fix the old one, go buy a $350 brand new Tom Woods drive shaft for literally half the cost. Ujoints are $15 or so each, and the centering ball is $55. So you are looking at $100 in parts and $200 in labor? With the hydraulic presses they have, it should take them less than 10min if the driveshaft is already out of the vehicle. Unless you have been driving on this for awhile, the shaft the centering ball rides on will not need to be replaced. If you have some tools and are willing to learn, i would encourage you to pull the driveshaft out yourself and then you can decide if you want to replace everything yourself or bring it to a shop.
thank you! I brought the jeep home and am going to call different driveshaft places and look into doing it on my own.
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Old 12-18-2015, 05:50 PM   #21
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Also make sure you are calling a shop that just does driveline stuff. Don't call an auto repair place because they will just send it to a driveline place and then add their fee on top.
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Old 12-19-2015, 07:13 AM
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Well after working for 12 hours through the night with my friend, I finally fixed my angry sparrows. Took the drive shaft off and couldn't get the u joints out as the caps wouldn't pop off. So we just stuck a needle up under the dust cover greased the hell out of it and it stopped the sparrows. Shouldn't have been a 12 hour job whatsoever but spinning skid plate nutserts, rounded off drive shaft bolts, and none of the correct tools for the job did not make this easy. Unfortunately, as this probably will only be a temporary fix, I'm gonna end up taking it to a drive shaft shop to get the u joints and centering ball replaced. But at least I can go wheeling as planned this weekend

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