Re: Need help urgently, overheating issues. 2000 XJ
There is a possible issue with the fan. The late fans would move more air than the early ones. About 300 cfm I think, which is about 10% gain over the total amount. If you have gunk in the hose, I would suggest you flush the system. You could have a lot of buildup of rust and minerals previous to this that will affect heat transfer. Also, the heater hose acts as a sort of bypass for the water pump. Circulating the coolant through it will help with keeping an even temp.
230 hp 4.3L Chevy
Built 4L60E with manual lockout
Atlas 4 speed
Griffin radiator
On board air
Warn 9.5ti on custom bumper
7.5" RE front and bastard pack rear on custom long arms
30 gal gas tank
lockers
And a bunch of other stuff
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