I vote radiator. Hair line crack in plastic drivers side. I'm on my third one.
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| Author: | glockster [ Mon Nov 01, 2010 2:05 pm ] |
| Post subject: | mystery coolant leak |
I've got a coolant leak that I can't find the source of. Seems to leak worse when sitting than when running. It's not the water pump or the upper rad hose. Appears to be coming from somewhere around drivers side of the front cover of the engine in the general vicinity of the P/S pump. At first I was thinking intake manifold but it doesn't look like it has any coolant passages on the front of the engine. Is this something you guys have seen before or just me? |
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| Author: | Jeepjeepster [ Mon Nov 01, 2010 3:30 pm ] |
| Post subject: | Re: mystery coolant leak |
Cracked radiator. |
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| Author: | 1996xj [ Mon Nov 01, 2010 7:57 pm ] |
| Post subject: | Re: mystery coolant leak |
Water pump !!! I have seen, and had it happen to my own KJ ! Mine would only leak everyonce in a while between cooling down and waring up then seal itself up !! Look for a white trail from the weep hole or inside of the pulley, it will spin the coolant some times !! |
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| Author: | kskj [ Mon Nov 01, 2010 9:09 pm ] |
| Post subject: | Re: mystery coolant leak |
I vote radiator. Hair line crack in plastic drivers side. I'm on my third one.
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| Author: | glockster [ Tue Nov 02, 2010 9:19 am ] |
| Post subject: | Re: mystery coolant leak |
99% sure it's not the radiator or the water pump. Water pump weep hole and body are completely dry. It's coming from the block, head or front cover somewhere behind the power steering pump. Probably just need to pull all the accessories off and see if I can find it. |
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| Author: | tjkj2002 [ Tue Nov 02, 2010 11:49 am ] |
| Post subject: | Re: mystery coolant leak |
glockster wrote: 99% sure it's not the radiator or the water pump. Water pump weep hole and body are completely dry. It's coming from the block, head or front cover somewhere behind the power steering pump. Probably just need to pull all the accessories off and see if I can find it. Then it is the timing cover which has gaskets for the waterpump passages. Item #1............. http://www.moparpartsamerica.com/partlocator/index.cfm? |
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| Author: | dieselenthusiast [ Wed Nov 03, 2010 1:19 am ] |
| Post subject: | Re: mystery coolant leak |
kskj wrote: I vote radiator. Hair line crack in plastic drivers side. I'm on my third one.  What’s causing that? 
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| Author: | kskj [ Wed Nov 03, 2010 7:55 pm ] |
| Post subject: | Re: mystery coolant leak |
If I was to guess I think it would be 4 wheel low and twisting the jeep up trails and over big rocks.
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| Author: | tjkj2002 [ Wed Nov 03, 2010 8:22 pm ] |
| Post subject: | Re: mystery coolant leak |
dieselenthusiast wrote: kskj wrote: I vote radiator. Hair line crack in plastic drivers side. I'm on my third one. What’s causing that? I'm on my 3rd radiator also. |
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| Author: | dieselenthusiast [ Thu Nov 04, 2010 12:29 am ] |
| Post subject: | Re: mystery coolant leak |
tjkj2002 wrote: dieselenthusiast wrote: kskj wrote: I vote radiator. Hair line crack in plastic drivers side. I'm on my third one. What’s causing that? I'm on my 3rd radiator also. Gesh.......... There's no end to this.  Maybe the 2007 radiators are hardcore and will last for 10 years. 
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| Author: | redlegadkins [ Mon Nov 08, 2010 11:05 pm ] |
| Post subject: | Re: mystery coolant leak |
tjkj2002 wrote: dieselenthusiast wrote: kskj wrote: I vote radiator. Hair line crack in plastic drivers side. I'm on my third one. What’s causing that? I'm on my 3rd radiator also. Where bouts on the radiator can you find the crack im lookin for one on mine got a coolant leak as well |
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| Author: | glockster [ Mon Nov 15, 2010 2:27 pm ] |
| Post subject: | Re: mystery coolant leak |
Turned out to be leaking around the water pump. The timing cover where the pump o-ring sits had corroded away allowing the leakage. Filled the pits with JB weld and filed smooth. Leak fixed |
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| Author: | Boomerang [ Fri Sep 23, 2011 6:57 pm ] |
| Post subject: | Re: mystery coolant leak |
i'm wondering if this is my issue. just tiny specles of coolant and a couple small puddles on the bottom bar at the front of the engine between the engine and radiator. replaced the 2 pipes and thermostat and there is still some smaller leak at the thermostat somewhere... also leaking below the steering fluid somewhere. i cannot place it. could be the radiator i guess... |
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