HEATER NOT HEATING

1996 Mercury Marquis

Tiny

cejk

January, 12, 2011 AT 3:46 PM

I have replaced the heater core the radiator and hoses the thermostat the antifreeze is full to level the switchesfor he fan and position of air flow work but the temperture is not getting warm

FOUND 4701 RELATED QUESTIONS

Heater

17 ANSWERS
11 IMAGES

1 Answer

Tiny

cup1981

March, 11, 2011 AT 3:06 PM

As long as the vehicle is running at proper engine temperature and not over-cooling or overheating, the only logical place to look is the blend door, temperature control cable or blend door actuator (if it has auto temperature control). This is the system that changes from cooling the air to heating the air and vice-versa.

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