2004 Mercury Mountaineer Repair Question
Topics covered: Heater, Engine, Heater core.
Mileage: 92,000 miles.
Mileage: 92,000 miles.
Asked on February 21, 2011
Heater
My heater is blowing cold air. it has antifreeze in it
Asked by klewis37Answer
Replied on April 1, 2011
WIth the engine running, hot and the heater on, feel both heater core hoses. If both are hot, check the blend air door. If only one gets hot, flush the heater core. NOTE: The engine must be at operating temp for the heater to work properly.
