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Old 02-05-2013, 06:18 PM   #1
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Engine coolant leak

After looking under my recently purchased 2006 wrangler X 4.0, i found some fluid coming from little hoses right under the radiator above the front differential. Some of the fluid leaked onto the diff cover. It does not smell like oil and is the same color as the engine coolant that is in the reservoir. The jeep is in generally good shape and i feel that this is just because of old hoses. The hoses are like half an inch and are not the main radiator hoses.
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Old 02-05-2013, 06:45 PM   #2
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i believe those are the lines that run to and from the tranny cooler

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Old 02-05-2013, 07:48 PM   #3
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Ok thanks i figured it had something to do with that. I guess ill just replace the hoses unless there is a quick fix.
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Old 02-05-2013, 09:00 PM   #4
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You must have an auto trans. Those hoses coming out of the bottom of the radiator are for the trans cooler. They r probably bad.
However make sure u don't have pooling of coolant at the bottom of the radiator. Look down through the cooling fan side and check if there is liquid at the bottom if the unit.

If u had a manual trans the hoses wouldn't b at the bottom like that in ur pic. The man trans has a separate cooling unit in front of the radiator.

Good luck. B careful not to strip the threads when u replace the lines.
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Old 02-05-2013, 09:04 PM   #5
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p.s. if u have pooling at the bottom then u r probably looking at replacing the radiator. If u have to do that, get yourself a pneumatic socket wrench and compressor tank. The bottom 4 bolts will b wayyyyy easier to remove. Trust me its worth the money if u do repair work urself.
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Old 02-05-2013, 09:07 PM   #6
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yeah its the 4spd auto. I will check to see if liquid is pooling. Maybe the dealer will still cover it because I still have the used car warranty and the cooling lines are a pain in the a** to find.
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Old 02-06-2013, 02:10 PM   #7
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there is no pooling and it is coming directly from the lines where they meet each other at the medal clamp looking thing.
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Old 02-06-2013, 02:32 PM   #8
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A hydraulic shop should be able to solve your problem quickly and easily.

Or, you could cut the crimps off and attach a new hose with clamps. Use caution if the hard line ends are not beaded.
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Old 02-06-2013, 02:38 PM   #9
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Quote:
Originally Posted by tangofox007 View Post
A hydraulic shop should be able to solve your problem quickly and easily.

Or, you could cut the crimps off and attach a new hose with clamps. Use caution if the hard line ends are not beaded.
This.
Just go buy some transmission cooler line from your FLAPS (Friendly Local Auto Parts Store) and some clamps.
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Old 02-06-2013, 03:03 PM   #10
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Yeah just buy a couple feet of hose and some clamps .

Starting on one side I would disconnect one hose from the radiator, it's gonna leak out a little atf. At the same time plug the old hose with a bolt or whatever's handy.

Attach your new, cut down, hose to the radiator (clamp on their first)

Pull of the rest of the old hose

Attach the new hose to the tranny cooler line.

Repeat on the other side.

Mine did the same thing a couple of radiators ago. The orignal hose had a little crack that started at the end.
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Old 02-06-2013, 04:00 PM   #11
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Cut the factory crimp bands off, then pull the rubber line off of the hard line. Replace with new rubber (buy hose specifically for transmission cooler, your FLAPS should have it) and use regular aviation type hose clamps. Don't over tighten, but do check them after a few days to make sure they're still snug.
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Old 02-06-2013, 04:01 PM   #12
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Thanks for the help everyone, I shall buy parts and fix it tomorrow
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Old 02-06-2013, 04:06 PM   #13
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I'd use a pneumatic cutoff wheel to carefully put two cuts in each band, one on either side. Then you can peel the two halfs of the band off. If you don't have a cutoff wheel, a Dremel type tool with a small cutting wheel will work.

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