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post #1 of (permalink) Old 08-29-2001, 09:02 AM Thread Starter
 
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thumping or clicking noise

I have a 98 Z71 and recently noticed a deep clicking or slight thumping noise that appears to only happen when driving around 30mph. It almost sounds like a rock stuck in the tread of a tire but I have checked them and no rocks. Also, it does appear to happen at other speeds or speed up or slow down unless because of wind noise or engine noise, I just can't hear it. Anyone else ever had a similar noise or have any suggestions on how to figure out what it is?

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post #2 of (permalink) Old 08-29-2001, 09:12 AM
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Re: thumping or clicking noise

Had a 96 Z71 & was clicking like what you say & ended up being a U joint.$50.00 parts & labor @ a dealer.

2000 Z71 4" Rancho 295/75/16 AR Baja's
post #3 of (permalink) Old 08-29-2001, 09:57 AM Thread Starter
 
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Re: thumping or clicking noise

Was there any play in the u-joint that was noticeable while trying to shake it with your hands? Or, did it seem okay but the needle bearings worn?

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post #4 of (permalink) Old 08-29-2001, 10:24 AM
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Re: thumping or clicking noise

It felt fine when I checked it & the noise went away as I went faster.At first I thought it was something in my rear end ,I got lucky.They say it is pretty normal especially when it's always wet(snow,boat launch,mud etc.)

2000 Z71 4" Rancho 295/75/16 AR Baja's
post #5 of (permalink) Old 08-29-2001, 10:32 AM
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Re: thumping or clicking noise

that does sound like a ujoint to me. $10 at a parts store, DONT take it to a dealer!

Mike ~
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post #6 of (permalink) Old 08-29-2001, 11:19 AM Thread Starter
 
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Re: thumping or clicking noise

Should I go ahead and replace the joint on both ends of the drive shaft since I will have it part of the way off anyway?

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post #7 of (permalink) Old 08-29-2001, 11:44 AM
 
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Re: thumping or clicking noise

<font color=blue>I don't see why not, A little preventive mantinance sure won't hurt anything at all</font color=blue>


[img]/wwwthreads_images/icons/smile.gif[/img][b]Boomerang Boy, Captain Boomerang, What ever, It's all good![b][img]/wwwthreads_images/icons/smile.gif[/img]
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post #8 of (permalink) Old 08-29-2001, 12:04 PM
 
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Re: thumping or clicking noise

So do you guys think that the rattling/grinding noise coming from the rear of my truck could be a u-joint? I was going to replace the axle but I will be more than happy to replace the u-joints instead since theres a grand price difference. It happends at 30mph too.

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post #9 of (permalink) Old 08-29-2001, 01:20 PM
 
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Re: thumping or clicking noise

yeah willy,
since your truck resembles a late model chevy half-ton it would make sense that if the symptoms are the same the problems are the same...wait a minute. you're rig is nothing like that. i would sawp axles...or mayeb we can work out a trade. I"ll trade you 2..no make it 4 U-joints for those worthless old axles you have laying around.
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<font color=red>96 Z-71 EXTcab, richmond 3.73, detroit rear, cold air, dual flowmasters, new drive-train </font color=red>
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post #10 of (permalink) Old 08-29-2001, 01:30 PM
 
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Re: thumping or clicking noise

Hey now, sounds like a deal to me, not. Anyway, I am talking about my late model 1/2 ton pickup. You can have that 10 bolt thats in there if you give me a 5 lug 14 bolt[img]/wwwthreads_images/icons/smile.gif[/img] But anyway, think it's the u-joints or the axle?

Jason
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