Something to consider ...
My temp gage pegs full scale every once in a while when on a trip, I have learned it is an electrical problem with the gage wiring, and not a cooling system problem. If I turn the a/c off the gage goes back to a true reading.
The problem only happens on the road, I have not been able to duplicate the problem in the garage, therefore I haven't traced the problem yet. Its probably a bad ground or something.
I have also seen the oem coolant pipes that run beneath the car plugged solid with rust.
cowboy from hell
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