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  #1  
Old 10-06-2010, 02:55 PM
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loud clunk in the back....

Now thats its cooling off I have this loud clunk in the back of my jeep when going over bumps. Any ideas on what this could be.
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Old 10-06-2010, 03:01 PM
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Re: loud clunk in the back....

loose spare tire bumping?
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Old 10-06-2010, 03:03 PM
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Re: loud clunk in the back....

you offroad right?
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  #4  
Old 10-06-2010, 03:52 PM
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Re: loud clunk in the back....

Quote:
Originally Posted by KidFresh5.7 View Post
loose spare tire bumping?
x2. I got a 265/70R17 in the spare location and noticed a lot of clunking in the back. Took a look at the spare and it was hanging low and loose. Cranked it up, clunking eliminated.
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Old 10-06-2010, 06:25 PM
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Re: loud clunk in the back....

Quote:
Originally Posted by Scottina06 View Post
you offroad right?
Yes little bit, Whats your thought? Working things loose? lol
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Done: Tow Hooks, Amsoil Severe Gear 75w-140, Amsoil Air Filter, Amsoil 0w-20, Amsoil T-Case, NGK V-Power, Skid Plate Front and Front Engine, Front Hitch, Hypergrounding, Shorty Antenna, 2" Old Man Emu Lift, Nitto Terra Graplers, Rola Rack
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Old 10-06-2010, 06:46 PM
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Re: loud clunk in the back....

Rear sway links or bushes? Check those after the spare.... you'll really need to get it on a four-post hoist and get three or four guys to bounce it up and down.
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Old 10-06-2010, 07:00 PM
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Re: loud clunk in the back....

Quote:
Originally Posted by Marlin View Post
Rear sway links or bushes? Check those after the spare.... you'll really need to get it on a four-post hoist and get three or four guys to bounce it up and down.
i second rear links and bushings. i changed mine out when i had 5,000mi...they were shot. i put on bilstein's all around @ 10,000mi...guess what, the right rear stock shock was toast(have pics to prove it). the kicker is...i haven't taken the jeep off road yet.
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Old 10-06-2010, 07:47 PM
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Re: loud clunk in the back....

Quote:
Originally Posted by lewi3069 View Post
Yes little bit, Whats your thought? Working things loose? lol

yes....do you have the plastic skids? Check those if you do. It really could be any number of things. Do like Benny said and get it on a lift and have a look see
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  #9  
Old 10-07-2010, 12:45 AM
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Re: loud clunk in the back....

I don't know if you're hearing the sound from inside the vehicle or from the outside, but I had this problem with my vehicle and it was an interior loud clunk. It ended up being the latch for the rear hatch was loose and needed tightening. Hope this is what you're experiencing because it's an easy and quick fix.
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Old 10-07-2010, 10:25 AM
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Re: loud clunk in the back....

Quote:
Originally Posted by thex2 View Post
I don't know if you're hearing the sound from inside the vehicle or from the outside, but I had this problem with my vehicle and it was an interior loud clunk. It ended up being the latch for the rear hatch was loose and needed tightening. Hope this is what you're experiencing because it's an easy and quick fix.
One of my friends said it sounded like it was comming from a door. I kind of agree. I was trying to pay more attention to it today and thats what it seems like. I hope!
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Done: Tow Hooks, Amsoil Severe Gear 75w-140, Amsoil Air Filter, Amsoil 0w-20, Amsoil T-Case, NGK V-Power, Skid Plate Front and Front Engine, Front Hitch, Hypergrounding, Shorty Antenna, 2" Old Man Emu Lift, Nitto Terra Graplers, Rola Rack
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Old 10-07-2010, 11:46 AM
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Re: loud clunk in the back....

I originally thought it was my driver's side rear door but once I made my buddy drive and I got in the back to try and pinpoint it, it quickly began sounding like the rear hatch/door.
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Old 10-07-2010, 11:47 AM
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Re: loud clunk in the back....

Quote:
Originally Posted by thex2 View Post
I originally thought it was my driver's side rear door but once I made my buddy drive and I got in the back to try and pinpoint it, it quickly began sounding like the rear hatch/door.
Sounds exactly like my case!
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2007 Jeep Grand Cherokee 4.7L, 4x4

Done: Tow Hooks, Amsoil Severe Gear 75w-140, Amsoil Air Filter, Amsoil 0w-20, Amsoil T-Case, NGK V-Power, Skid Plate Front and Front Engine, Front Hitch, Hypergrounding, Shorty Antenna, 2" Old Man Emu Lift, Nitto Terra Graplers, Rola Rack
Need to be Done:Magnaflow Muffler, Fuel & Tcase Skid Plate,
The Electronics:Escort 9500ix, 400 Watt Inverter, Rockford Fosgate P2, Viper 5901, CB Radio, DB Drive 6.5, SuperChips, Rigid Dually Flood (Front), Rigid Dually Diffused (Backup)
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