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Unread 12-24-2010, 12:44 PM   #1
mannyawwad
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2002 KL Cherokee 
 
Join Date: Dec 2010
Location: milford, ct
Posts: 4
88 overheating problem

i have an 88 xj and it was overheating, i changed the thermostat and the water pump and then it worked good for about a month but then it started overheating again, please helppppppp

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Unread 12-24-2010, 02:42 PM   #2
xjfever
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1995 XJ Cherokee 
 
Join Date: Feb 2008
Location: north Ga.
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Did you flush the cooling system? Did you remove all the air from the system? And are you using a 50/50 mix of anti-freeze and distilled water? Just some thoughts I had. I would also make sure the cap and bottle are sealing correctly. And when does it overheat, at idle/in traffic, or at highway speeds, or all of the above? The fan clutch is suspect if it overheats at slow speeds in traffic or at idle, and the electric fan should come on around 215* or so, and anytime the AC/defrost is selected.
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Unread 12-25-2010, 06:59 AM   #3
rmack
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1999 XJ Cherokee 
 
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check the cap on the burp tank for proper sealing.
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Unread 12-31-2010, 07:06 PM   #4
oldblackxj
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1988 XJ Cherokee 
 
Join Date: Oct 2006
Location: Rural Backwoods, Tennessee
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Definately get a new cap for the coolant tank. I have had this problem for years. My solution was to get a coolant tank camp made for a Volvo. It will work!
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