Overheating issues
It would be interesting to find out where Chrysler thought the danger point was.
My understanding is that about 220 deg the aux fan comes on, if temps increase beyond that (230? 235? 240? this is the number I'd like to find out) the Pointer moves full-scale right.
CF Veteran
Joined: Nov 2009
Posts: 8,172
Likes: 17
From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
241.25F (LOL), I believe that's where the "red zone" starts (mathematically). My guess is that's where the idiot light may turn on as well..... but again, not even a flicker at 230 (ScanGauge).
Thread Starter
Junior Member
Joined: Oct 2010
Posts: 35
Likes: 0
From: Redlands, CA
Year: 1998
Model: Cherokee
Engine: 4.0L I6
I agree that the temp gauge does not read a steady Increase. I haven't replaced the radiator yet. But I'm gonna get a csf 3row radiator to replace the stock radiator
CF Veteran
Joined: Nov 2009
Posts: 8,172
Likes: 17
From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
Nothing against a 3 row rad....but just remember, they are not 3X thicker than OE 1 row. Copper/brass multiple narrow tube rads are old school.....for the past 20+ years, almost all auto mfgs have gone to single wide row aluminum/plastic rads for their increased efficiency. Food for thought and it's worth what u paid for it.
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