i would check or replace thermostat. if that dont work it could alsob be the heater core or coolant low. i have a 02 celica gts with the same problem i checked the thermostat it was fine its my heater core . but water started leaking the pass floor board . you ca check the thermostat by boiling water in a pan and put it in.. if its good it will start to open up if not its bad
Heater blowing cold air
2002 Toyota Celica GT
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Maintenance & Repair
The car heater doesn't blow hot air. Sometime it will but most of the time it won't, engine is hot, heater hoses are hot, fan is blowing, air is cold. I live in alaska, Only 45,000 miles on this litt...
1985 Toyota Celica GT Coupe
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Maintenance & Repair
I have replaced the heater core, done a heater core flush and a radiator flush, and I have manually moved The switch on the heater valve. Coolant is completely full and am still getting pure cold ...
1995 Toyota Celica GT Convertible
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Maintenance & Repair
I have a 2003 GT Toyota celica and recently i was driving on the freeway and my heater stopped working correctly. my heater started to blow only cold air out of my register vents. I tried to turn the ...
2003 Toyota Celica GT
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Maintenance & Repair
I can turn it on while driving warm air comes out of the vents (the outside air will flow through as warm air when its on heat) but the blower itself will not work.
2000 Toyota Celica GT
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Maintenance & Repair
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