Questions & Answers for: Mercury door heater

...door in the heater case. or the servo motor is broken. this sits on top of the heater case Check blend door operation pull glove compartment box out remove blend door actuator actuator and positioned ...

...door vacuum control motors are at no vacuum, closing off airflow to the defrost duct, side window demisters, the floor duct and the instrument panel A/C registers. The heater control valve is at full ...

...heater core is not leaking then the core is not bad. It would be filling the floorboard on the passenger side with antifreeze. If the only problem is that no heat is coming out then I would turn my ...

...heater door.  I think this car uses a pneumatic system to open the door for the fan to blow air over the heater core.  If that door does not open, you won't get any heat.  You ...

...the thermostat and coolant level. If the heater is not getting hot, and both heater hoses are hot, you may have a blend door problem. The blend doors direct air thru the heater core and the

...getting hot, and the radiator is full of coolant, you could have a problem with one of the blend doors under the dash. The blend doors direct air flow thru the heater core and the

...heater works any ideas? Could be a blender door issue. What a blender door does is mix the cold air from the AC with the hot air from the heater core. If you put the switch ALL THE WAY to hot, the ...

...door actuator (19E616). Incorrect heater control valve (18495) operation. Go To Pinpoint Test I . Are the heater hose's going through the fire wall hot ? I2 CHECK FOR HOT WATER TO THE HEATER CORE ...

heater core at all times. Temperature is regulated by the blend air door and blend door actuator. Locate the blend door. Remove the actuator and open the door by hand. If you get heat, the actuator or

door actuator, or blogged heater core. Feel both hoses to the heater core. They should both be about the same temp. If one is hot and the other is cold, you have a clogged heater core. If both are hot