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Clank Clank under my 97

 
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Old 04-19-2005, 08:02 AM
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Clank Clank under my 97

I've had this incredibly annoying clank under my truck for the longest time now, and it's finally driving me crazy. Every time I hit a bump or uneven spot on the road, something under my truck will CLANK and rattle loudly. It's clearly a metal on metal sound. It's quite embarrasing, actually. Slow speeds, freeway speeds..it's all the same. I've gotten under there and beaten around with a mallet, but to no avail. I tigtened and removed my exhaust heat shields, neither of which made a difference. Skid plate is tight, bent but tight.

Anybody experience anything like this before? :cry:
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Old 04-19-2005, 08:06 AM
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Mine does the exact same thing. Try removing the spare tire and see if it still makes the noise while driving. Let me know.
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Old 04-19-2005, 08:07 AM
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Check your front skid plate. Mine lost a screw once and was bangin around.

edit [opps just reread your post and you already check that. Sorry.]

Last edited by TStango; 04-19-2005 at 08:08 AM.
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Old 04-19-2005, 09:57 AM
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My heat sheild was loose, when I was getting noises
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Old 04-19-2005, 10:04 AM
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You may want to check your driveshaft/ u-joints. When I had my 91' I noticed a noise too and it drove me crazy. When I got home I got up underneath and started shaking the driveshaft there was a lot of play. Needless to say the needle bearings were almost all gone! Replaced u-joints and problem was solved.

good luck
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Old 04-19-2005, 10:49 AM
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When my gas tank skid is bent the zerk fitting on the drive shaft sometimes comes into contact with the skid. Check that out as well.
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Old 04-19-2005, 11:40 AM
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Try getting under the rig and banging around in various places with a rubber mallet. This should help you figure out the approximate location of the rattle culprit. Trust me, it works.
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Old 04-19-2005, 06:17 PM
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Well...I yanked off the skid plate. Turns out, that the welds on one of the brackets was broken. That's ok though, the insurance is buying me a new one. Checked the driveshaft..the gas tank skid IS bent pretty well, but I don't see them contacting. Shock bushings are ok, too. Heat shields have been pulled, everything beat on. The spare has been off for a month or so.

And guess what? I still have that noise. :cry:

Next thing I check is my diff drop, I have a feeling it MAY be loose. If not, I'm at a total loss.
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Old 04-19-2005, 06:22 PM
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do you have any disconnects? Cuz I know for sure my disco's make a crap load of clunking and clanking
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Old 04-19-2005, 06:47 PM
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Ah Hah!

I figured it out! There's a little strip of metal in the rear frame rails with nuts welded to it for the tow hitch...well, when I took off my tow hitch some time ago, I didn't put those in strips in straight and they were beating on the side of the frame rail. D'oh!

It's all quiet again.
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