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Old 12-14-2012, 02:07 PM   #1 (permalink)
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Default Noise from front end. Help

Hey guys:

I have a noise from the front end that came out of no where. Heres my situation and I cannot get it solved. After I got home of a problem free day of mudding in my samurai I went to drive her after a month of sitting. Took it down the road and had a loud and scary metal on metal sound coming from the front end. I checked all the fluids and replaced the front diff fluid and went for another drive. Same metal on metal screeching noise. I do not think that this type of noise could be caused by a wheel bearing? Any insight or ideas to solving this would be great. This is definitely not coming from my engine by the way. And the noise only happens when driving forwards.

Please help. Thanks in advance,

Ryan
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Old 12-14-2012, 02:40 PM   #2 (permalink)
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Sounds like you got small rocks and sand caught between the front brake pads and rotor......this happens to me all the time on another disc brake vehicle i have ( i don't rough play with my zuk) simple cure is to take a hose and wash both sides of the calipers real good (No need to take apart) this dries the mud and stuff that is caught back there right now and won't go away..... It has to be cleaned by washing and pulling forward and back a few feet...... I keep a can of Brake-Kleen with me for a quick fix on the road..... it does screech real loud until you clean it out.
Joe

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Old 12-14-2012, 03:04 PM   #3 (permalink)
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Thats the thing, I do not have break calipers just the rotors and dust shield. It isn't dust shield rub either.
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Old 12-14-2012, 08:17 PM   #4 (permalink)
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You don't have any brake pads on your front rotors? (no brakes in the front?)you had no noise when you parked it and now you do...... somehow,somewhere the mud dried up and is causing this..... if it was a wheel bearing or something gear type it would have happened before you stopped and parked it....
you probably did this already but if not try locking the hubs move few feet then unlock them..... do the same with the transfer case.
Joe
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Old 12-17-2012, 03:55 PM   #5 (permalink)
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So I have narrowed it down with a few tests. The terrible metal on metal sound only happens when the wheels are locked. If they're unlocked it drives just fine. Does anyone know what it could be?
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Old 12-17-2012, 07:19 PM   #6 (permalink)
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Using this diagram: What bearings are engaged when the hubs are unlocked and what doesn't move? An explanation of this would greatly help me rule out certain parts since the noise is only there when the hubs are LOCKED.

Suzuki Samurai front 4WD axle
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Old 12-18-2012, 12:32 AM   #7 (permalink)
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That's great you got it down to that..... now do one more test and lock just one wheel and try it. then unlock it and lock the other side and try it..... If it only does it on one side and not the other then you can be sure it's the outer spindle bearings on the side that made the noise (part 2 and 3 on the spindle diagram) if it does it independently on both sides then chances are it's in the main differential. my hunch and hopefully i'm right is when you lock the hubs those hub bearings are under more of a load and hence the noise and this test will give you a side to look at.
Joe
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Old 12-18-2012, 08:56 AM   #8 (permalink)
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Thanks a lot Joe!
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Old 12-18-2012, 09:13 AM   #9 (permalink)
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Note also though that the noise is not there when I am in 4 wheel drive and hubs are unlocked.
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Old 12-18-2012, 10:43 AM   #10 (permalink)
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Gut feeling is it's those spindle bearings but without me being there it's hard to diagnose via posts as pressure on those bearings would be greater from the tire side when locked as opposed to from the inside going out in the unlocked position..... just guesses here but i'm really interested to hear what you get from the different wheels locked while the other is open..... another thought is maybe the locking hub has some kind of interference in there where it meets the axle.
Joe
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