Horrible clunk and grinding in 4 wheel - JeepForum.com
 
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post #1 of 3 Old 07-30-2013, 03:55 PM Thread Starter
bdavies
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1985 CJ7 
 
Join Date: Jul 2013
Location: Riverton
Posts: 2
Horrible clunk and grinding in 4 wheel

Hello,
I am new to Jeeping and first time post. I have an 85 CJ7. I have taken her off roading a few times now and has been a blast. Today however, I experienced a horrible clunk and grinding noise from underneath. I had set the Jeep into 4H to climb a hill. As I accelerated up the hill hitting a few bumps a loud clunk and grinding started happening. I stopped and came back down. I put it back into 2WD and left the hubs locked, it did the same thing one time and briefly. Later going up another hill I tried 4L and while accelerating up same noise happened. Any ideas what is happening? Thank you for any insight you all have.

Brian

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post #2 of 3 Old 08-02-2013, 08:58 AM
jokerchief462
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1989 YJ Wrangler 
 
Join Date: Nov 2010
Location: Sin City
Posts: 2,881
Welcome to the forum!!!

Driveline issue and since it happens in 4 wheel you may have something in the T-Case or front axle happening. U-joints, flange or yoke loose, T-Case issue old loose chain, or the worst a differential going bad.

89YJ 2.5L TBI, AX-5, NP231 SYE, Ford 8.8, Yukon Grizzly, Tom Woods Shaft, 33" BFG T/As, 4" lift, Warn VR10000s.

AF Jeep Club Tail #184
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post #3 of 3 Old 08-02-2013, 11:28 AM Thread Starter
bdavies
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1985 CJ7 
 
Join Date: Jul 2013
Location: Riverton
Posts: 2
Thanks for the info. Appreciate it.
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