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It could be like my 95 F250. The fan tips on the water pump were rusted off. It would keep the engine cool but the pump could not push water up to the heater. Replace water pump. Took me 2 hrs to replace water pump and 100.00.
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∙ 12y ago
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Why would the coolant light come on and the heater blow cold air in a 1985 Cadillac Deville 4.1 even after you tried replacing the thermostat and flushing the radiator?
Heater core (radiator) needs to be cleaned or changed
Why would hot steam blow from the heater vents?
Leak in heater core. Replace core.
Why would a back heater blow cold air and front heater blow hot air in a 2003 Chevrolet Suburban?
The front expansion valve is clogged.
Why would you smell antifreeze and heater blow cold air?
heater core possibly plugged and leaking
Why would a house heater blow out cold air?
It doesn't really blow it out it just warms the cold air.
Your heater will not blow on your 1996 Ford Contour?
heater will not blow on a 1996 ford contour
Why does your heater not blow out warm air?
if the heater does not blow out warm air change the setting.
Would straight antifreeze make heater blow cold air?
No! Thermostat.
Why would heater blow out hot in the summer and cold in the winter?
Could be a bad thermostat.
Why would a 96 Taurus wagon heater only blow when running at high RPMs and cool down when idling?
it has a partially clogged heater core.replace the heater core
Why would a 2001 Chevy Blazer heater only blow cold air?
Low coolant in the system. Defective heater control valve. Clogged heater core.
Why would there be a clicking sound in the glove box and the heater not blow hot air?
either need a blend door accuator or a heater box
