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Old 11-15-2015, 08:50 PM
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Missing part

I've got a 2000 Jeep Wrangler 2.5L 4 cylinder engine.

I believe it is missing a bolt or something. At present antifreeze come out from this hole when the radiator get close to full.

Included pic. Can someone help me out with a part number or part description?

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Old 11-15-2015, 08:58 PM   #2
Knows a couple things...

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Can you post another photo that shows that hole better? Like from the driver's side and looking down a little onto it? Not too close, enough so we can see a little of the surrounding area.

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Old 11-15-2015, 09:02 PM   #3
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Looks like your missing your freeze plug...
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Old 11-15-2015, 09:20 PM   #4
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You need to install a 1/8" NPT plug (std 1/8" pipe thread) and use a little teflon or thread sealant. Had the same issue when I installed a short block earlier this year.
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Old 11-16-2015, 09:21 AM
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That’s hilarious.
I purchased the jeep recently. The previous owner began a short block install, but never finished it. I purchased the jeep as is, non running and have been struggling through it. I saw on the web that the 4.0L had a coolant temperature sensor with a wire running to it in that location. Does the 2.5L not have a sensor there?
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Old 11-16-2015, 09:38 AM   #6
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Quote:
Originally Posted by 1davidson1 View Post
That’s hilarious.
Does the 2.5L not have a sensor there?
Some do. Earlier Jeep models had a separate temp sender for the gauge. Later models use the ECM to operate the gauge. What you need to do is install a plug in the port.

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Originally Posted by 1davidson1 View Post
I saw on the web that the 4.0L had a coolant temperature sensor with a wire running to it in that location.
That would mean it was a late 80's or early '90s model.
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Old 11-16-2015, 10:05 AM
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Appreciate the help guys.

Thanks
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Old 11-16-2015, 05:12 PM   #8
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The temp sensor is located in the thermostat housing on the 2.5 TJ's.

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