post #1 of Old 02-25-2011, 09:38 AM Thread Starter
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1997 TJ Wrangler 
Join Date: Oct 2010
Location: Johnstown
Posts: 30
Coolant Issue...

I am having problems with my coolant system. In October I replaced my water pump and radiator(it was a radiator for an automatic, i just ignored the transmission cooler lines). The jeep ran fine for 3 months and the radiator went bad again. I replaced it with another radiator(once again it had the auto trans cooler lines but ignored them again). Now my Jeep is leaking coolant from the radiator cap which is brand new. There is dried white coolant sprayed all over the engine bay from it hitting the fan. I noticed the hood is resting on the radiator cap. I can tell this because there is fresh raw metal exposed on the hood and green paint on my radiator cap. I was thinking that the hood weight could be causing the cap to loosen and allow some coolant to leak. Could my current hood spring be worn out? Should i try buying a new spring and see if that helps...
Any input would be great,

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post #2 of Old 02-25-2011, 09:45 AM
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1998 XJ Cherokee 
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The radiator should have some adjustment holes for different placements if not i would drill some new holes and drop it a 1/4 inch or so.
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post #3 of Old 02-25-2011, 09:47 AM
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1997 TJ Wrangler 
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Does that radiator sit higher than your stock one?
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post #4 of Old 02-25-2011, 10:20 AM
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Sounds like the grille mount could be pushed up, or the radiator is not properly mounted. Check the bumpers on each side of the grille. That's the little black rubber things on the bottom front corners. If they are not resting on the frame rail then I'll bet the center mount has been pushed up. Center mount is on the round front crossmember. If it has been wheeled hard, or wrecked the mount could be pushed up causing the whole shebang to be out of specs. I would also check to be sure that you have hood bumpers. Little black rubber knob looking things on both sides of the grille right about where the hood lines up on the grille. They keep the hood off the grille when latched down.

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post #5 of Old 02-25-2011, 12:12 PM
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2000 TJ Wrangler 
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Is it an OEM style radiator?...
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post #6 of Old 02-26-2011, 10:23 PM Thread Starter
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1997 TJ Wrangler 
Join Date: Oct 2010
Location: Johnstown
Posts: 30
the radiator is oem style and is mounted properly. the fenders both have the rubber hood stops still mounted to them... Still on the prowl to find this problem
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post #7 of Old 02-27-2011, 08:43 AM
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2005 LJ Wrangler 
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Is your fan centered in the shroud? Maybe the whole front end needs to be tweeked!

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post #8 of Old 02-27-2011, 10:03 AM
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2004 TJ Wrangler 
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The radiator I replaced mine with sits up quite a bit higher then the stock one, yours must be even higher. The hood could be pushing it down letting it leak, like when you have to push the cap down when you turn it to release it.

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post #9 of Old 02-27-2011, 11:58 AM Thread Starter
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1997 TJ Wrangler 
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Location: Johnstown
Posts: 30
I am going to get the whole system pressure tested and we will see what happens
Msprain10 is offline  

antifreeze , cap , coolant , hood springs , radiator

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