front drive shaft rattling sounds. - JeepForum.com

 
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post #1 of 5 Old 05-30-2013, 08:49 PM Thread Starter
jeeper95creeper
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1992 YJ Wrangler 
 
Join Date: Nov 2010
Location: Valdese
Posts: 140
front drive shaft rattling sounds.

I have a 92 yj.I have been hearing a grinding/rattle from under my jeep.when up under the jeep.I can grab the drive shaft and it has alittle pay in it.while driving down the road I can hear the rattle very well.but when I 4 wheel drive its not as loud.what is it and how can I fix it?thx

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post #2 of 5 Old 05-31-2013, 06:34 AM
69moparman
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1990 YJ Wrangler 
 
Join Date: Dec 2010
Location: Centerport
Posts: 187
Check the clearance between the driveshaft and exhaust pipe. If you removed your front track bar, could be that when you accelerate, the engine mount flex combined with driveline torque bring the shaft and down-pipe together, causing a rattle. Could be less noise or more noise when in 4WD. That's been my experience anyway.
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post #3 of 5 Old 05-31-2013, 07:07 AM
Rproject
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1987 YJ Wrangler 
 
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Location: Sandwich, IL
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Have you greased your front ds? That makes my sound disappear.

1996 White ZJ
1987 Maroon YJ (sideways build)
1996 Forest Green XJ

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post #4 of 5 Old 05-31-2013, 03:33 PM Thread Starter
jeeper95creeper
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1992 YJ Wrangler 
 
Join Date: Nov 2010
Location: Valdese
Posts: 140
I greased the front drive shift and sound is still there.I also checked the fluid level in transfer case.I had to add fluid.sound is still there.what now?
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post #5 of 5 Old 05-31-2013, 03:38 PM Thread Starter
jeeper95creeper
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1992 YJ Wrangler 
 
Join Date: Nov 2010
Location: Valdese
Posts: 140
And why does my front drive shaft spin in 2wd?

Last edited by jeeper95creeper; 05-31-2013 at 04:07 PM.
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