Also might want to change the temp sender on the thermostat housing. If your electric fan isn’t coming on at temp without the AC on then it might be reading incorrectly.
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XJ overheating at idle but everything is new?
I know I know... There are a million "XJ overheating" threads but I'm really at a loss here even after reading every forum I could find...
I have a 1991 4.0, AX-15, XJ... I overheat while idling, but here's the catch... Everything is new on that car! Motor has 3k miles on it, entire cooling system is new, has new fan clutch out of a ZJ, runs fantastic! I burped the system several times, no bubbles... But what doesn't make sense is it doesn't overheat every time I idle, I went a week with no overheat, then today it overheated once when I got home... If I open the vents it cools down basically instantly... I was an hour in traffic is 100+ degrees with AC on last week and didn't overheat... It's totally random
Any ideas?
I have a 1991 4.0, AX-15, XJ... I overheat while idling, but here's the catch... Everything is new on that car! Motor has 3k miles on it, entire cooling system is new, has new fan clutch out of a ZJ, runs fantastic! I burped the system several times, no bubbles... But what doesn't make sense is it doesn't overheat every time I idle, I went a week with no overheat, then today it overheated once when I got home... If I open the vents it cools down basically instantly... I was an hour in traffic is 100+ degrees with AC on last week and didn't overheat... It's totally random
Any ideas?
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