I really like that Idea about hot water/radiator stop leak!!! that will be my first attempt. (and the second)

The car used to overheat, but a new thermostat fixed that.

tomorw I will try and flush the cooling system. as well as replace the modulator valve... my heater fan, quit, does that mean the climate control system is done?? If so it is my own dang falt..

what would happen if i was to bypass the modulator valve? Actually I had better check the fan, as I recall there was some heat comming out of the defroster vent, through convection, thus the modulator valve must have been open. Any way, thank you for the help.
Jason

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46 WDX Power Wagon

84 300TDT daily driver