Please Help me Find Cooling Sys Leak -
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post #1 of 4 Old 09-24-2013, 10:49 AM Thread Starter
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2002 KJ Liberty 
Join Date: Sep 2010
Location: Newark
Posts: 119
Please Help me Find Cooling Sys Leak

Hi, our Liberty is not providing heat when its idling.

There is an apparent leak because I am having to add coolant to the reservoir every two days.

I checked everything I just cant find it.

Already ordered a new radiator and new thermostat but cant just simply changed them.

about 3 years ago the Liberty was serviced for a bad radiator and looks like the mechanic damaged the screws, new mechanic says he will not touch the screws unless I authorize the purchase of a $500 engine cover, new mechanic suspects threads are damaged, there is a thick putty type of stuff around a screw as if it was cemented in place.

I dont think the thermostat has gone bad due to the loss in coolant, there has to be a leak somewhere.

If I cannot visually identify the leak, what else can I do to identify the leak?

d5332 is offline  
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post #2 of 4 Old 09-24-2013, 02:35 PM
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2004 KJ Liberty 
Join Date: Aug 2008
Location: Central OH/ Kilimanjaro,Tanzania
Posts: 5,972
Check the water pump, they have a small weep hole on the bottom could be it or could be the radiator
Don't know what the tech is talking about a 500 dollar engine cover

04 KJ JBA 4 IN COILOVER, 32s 4.10s
03 KJ JBA 2.5 T.C. LIFT, 31s 4.10s
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post #3 of 4 Old 09-24-2013, 03:32 PM Thread Starter
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2002 KJ Liberty 
Join Date: Sep 2010
Location: Newark
Posts: 119
The engine cover the mechanic referred to was the aluminum / metal that the thermostat screws onto, like the timing belt cover, forget the name but its the actual metal piece that the thermostat screws on to.

I will have to check again tonight for wet parts, I will check the waterpump, underneath for the thersmostat and check the radiator again.

I just cant find puddles or trail of dry antifreeze anywhere.
d5332 is offline  
post #4 of 4 Old 09-24-2013, 08:52 PM
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2005 KJ Liberty 
Join Date: Jul 2011
Location: Castle Pines
Posts: 3,296
Timing chain cover. May be an overly paranoid mechanic. Buy, rent or borrow a coolant pressure tester, that will make the job of finding the leak a little easier.
streetglideok is offline  

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