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Old 04-16-2013, 01:36 PM   #1
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Grinding metal from rig

Hi all - I'm new here as I've just brought home my first YJ. Previously a TJ owner, but it was from new so never had a chance/need to do any work.

Anyway, I'm in a 92 four banger, really getting my hands dirty for the first time and loving it.

Yesterday, she started making a sound that I can only compare to dragging a chain across a piece of metal. Happens when idle and moving, but only after running for a couple of minutes.

Seems to come from area of the transfer case, but I should be considered a total noob as I've not spent a lot of time past my computer keyboard, and really know jack all about mechanics - looking to change that...

Read about changing fluid in the transfer case, which I'll attempt. Also heard loose/broken heat-shield rattling, anywhere else I should be sniffing out? Something easy I can try myself?

Thanks for any input!

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Old 04-16-2013, 02:40 PM   #2
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Happens when idling? Not in gear?

Have you crawled underneath to see what's loose?

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Old 04-16-2013, 03:06 PM   #3
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Old 04-16-2013, 11:55 PM   #4
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Sorry for slow response - I'm on Belgian time.

Will have a look today, but embarrassed to say I don't know what I'm looking for apart from 'anything that's loose'. (Noob I know...)
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Old 04-17-2013, 04:47 AM   #5
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Grab hold of the exhaust and shake it. ( make sure its not hot) could be the cat rattling around.
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Old 04-17-2013, 01:12 PM   #6
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Got under it today to see if I could spot anything. Does indeed seem to be the exhaust knocking on something, but the skid plate is the blocking view. Pulled a ton of shit out if there, sticks mud, etc but still going. Noise stops if I steady the exhaust by hand. Going to see if I can get the skid plate off over the weekend
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Old 04-17-2013, 04:04 PM   #7
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Just so you know, you can't just drop the skid. You need to support the trans/ tcase before removal... Oh and you might be opening a can of worms there. The nutserts/rivet nuts like to break free a d spin in the frame.
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Old 04-18-2013, 02:15 AM   #8
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Ha - thanks for the heads up! I'm a bit of a geek so would have been doing some research first, but that could have been messy...
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Old 05-02-2013, 03:28 AM   #9
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Seems like a cracked cat converter from what I've told. Bigger job than I can handle - maybe next time. Thanks all for the advice!
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Old 05-02-2013, 09:30 AM   #10
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good info to me, Going to see if I can get the skid plate off over the weekend

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