Asked by Jan 07, 2017 at 01:15 AM about the 1998 Ford Expedition 4 Dr Eddie Bauer 4WD SUV

Question type: Maintenance & Repair

when heat is turned on only low to medium temperature comes out not hot air
, lots of air flow , could suv need rad flash and new rad fluid ?
Thanks Tracy

1 Answer


It is possible it may need a new thermostat, or a heater valve in the heater hose that also sets the temperature of the heat coming into the cabin. Coolant should actually be changed every three years, but I don't know anyone who does that, but that is whats recommended. So a change in fluid and flush is only a plus.

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