Exactly repeatable overheating problem with '01
#1
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Model: Cherokee
Exactly repeatable overheating problem with '01
I have a 2001 4.0 litre cherokee that overheats exactly the same way every time I drive it into town, a 10 mile round trip. At 1.5 miles, the temperature gauge goes to one mark past vertical. It stays there until exactly 9 miles, when it quickly goes into the orange. Then, at 9.9 miles, it drops back to a bit past vertical, and coolant begins boiling in the overflow tank. If anyone can diagnose this problem for me, I could maybe save a lot of money and I would really appreciate it. Thanks :-)
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Join Date: Sep 2011
Location: Riviera, Texas
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Year: 1998 Sport
Model: Cherokee
Engine: 4.0
The very first thing you need to do is stop driving it. You 01 has the 0331 head on it and are known to crack with even a slight over heat problem. I would start by doing a complete system flush, change out the t-stat check the water pump, radiator, fan clutch and a new radiator cap. You shouldn't drive it until you locate the problem or you may end up having to do a head replacement.
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