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post #1 of 3 Old 01-30-2011, 10:08 PM Thread Starter
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2000 TJ Wrangler 
Join Date: Jan 2011
Location: boone
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cooling system

Hey fellas, I am a new jeep owner of about 2 weeks, take a look! Its a 2000 TJ Sport 4.0L inline 6.

I am not a mechanic by any means, I havent done much work on cars but i know how they work and the basics. So bear with me.

Anywho, I seem to be having some issues with the cooling system. When i first got it, the thermostat locked up and the engine overheated pretty bad for about 10 min before i could make it to advanced auto parts. During this 10 min period the engine seemed really bogged down, and sluggish.

After I fixed the thermostat, I put some 50/50 coolant in there and let it bubble out for a bit. Fast forward a few days and my engine seems to be overheating/above the ideal degree line. I checked the fluids and it seems to be low, so i refill it. Things go alright for awhile, and then become iffy once again.

SO.. I decide to dump some water in the radiator and inspect the undercarraige and i find water dripping from this area.. right next to the transmission? im unsure. if you look close you can see the water dripping.

Also upon inspection of the coolant reservoir i noticed it is uncapped, and it looks cut? Im unsure, is this normal? Just trying to give as much info as possible.

The previous owner said he cracked the radiator and replaced it, so thats fairly new. Im thinking it could hose or liner related? Any thoughts?

Thanks for your time.

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post #2 of 3 Old 01-31-2011, 09:32 AM
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Location: Northeast Pa
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Did he say what caused the old radiator to crack? If he didn't have enough antifreeze in the cooling system, it may have caused it to freeze. That could have cracked the radiator and popped one of the freeze plugs in the block.

2000 Amber Fire - Sport TJ "Penny"
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post #3 of 3 Old 01-31-2011, 04:52 PM
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2000 TJ Wrangler 
Join Date: Aug 2005
Location: Colorado
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The coolant reservoir is normal. I install a hose on mine so coolent doesn't spill on the fan belt when climbing steep obstacles.

In your other picture it looks like you have a rear freeze plug leaking...
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coolant , cooling system , overheating , radiator , temperature

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