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antifreeze leak

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Old 11-15-2010, 02:22 PM
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Default antifreeze leak

My cherokee has developed an antifreeze leak, I've narrowed down the location, just would like to get some advice. The first pic looks like the tube going into the radiator has it in the threads, but in person and by touching it I didn't see any there.








Old 11-15-2010, 02:23 PM
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Old 11-15-2010, 03:08 PM
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is that on the rad cap side of the radiator remember water runs down
Old 11-15-2010, 03:23 PM
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yes, drivers side.
Old 11-15-2010, 03:33 PM
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might be the seal, I don't think the hose actually threads on, does it? not sure if you can thread hoses on. I'd try first using a hose clamp and doing it tight around the base of the hose, see if it stops leaking.
Old 11-15-2010, 03:53 PM
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The smaller metal lines that go into the rad are for the tranny.

I would make sure it isnt leaking from the the upper rad hose, rad cap or the overflow hose that runs to the tank. If it isnt those things on the driver side then you need a new rad
Old 11-15-2010, 03:54 PM
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bad radiator cap. oveflow bottle hose leaking ,bottom radiator hose loose or side tank gasket leaking
Old 11-15-2010, 03:58 PM
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^ beat ya
Old 11-15-2010, 06:01 PM
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I had the overflow leaking a couple months ago, has new clamp, not leaking from overflow or cap. Only trace of fluid from top view is a little bit on top of power steering pump(which is odd).



Dilljeepo-Where would I put this clamp at on the hose?

Will that nut move that appears to be attached to rad? Like maybe unscrew it and put some teflon tape there?

Last edited by Scooter86; 11-15-2010 at 06:05 PM.
Old 11-15-2010, 06:05 PM
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Try tightening your upper rad hose.

The hard lines with nuts or clip thingys will leak red/brown tranny fluid if they are leaking
Old 11-15-2010, 06:11 PM
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So the circled hard line is for tranny?
Old 11-15-2010, 06:19 PM
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well yes
Old 11-15-2010, 08:05 PM
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You need another radiator, the cooler fitting is leaking. Just bite the bullet and replace it, problem solved.
Old 11-15-2010, 08:51 PM
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I had this with my YJ. Drove me nuts trying to find it.

Turned out to leaking from the water pump inner seal, the out of a hidden weep hole under the pump shaft. It then ran down the lower rad hose & onto the top of the lower rad tank. Also onto the frame rail on it's way. I think ethylene glycol has supernatural powers.
Old 11-15-2010, 08:59 PM
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Originally Posted by Bustedback
You need another radiator, the cooler fitting is leaking. Just bite the bullet and replace it, problem solved.
Ya but what if it's just a little crack in the hose that's on the fitting?


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