WATER NOT CIRCULATING THROUGH HEATER CO

1993 Toyota Corolla

Tiny

Allen Boatwright

December, 18, 2008 AT 10:27 AM

Heater problem
1993 Toyota Corolla 4 cyl Front Wheel Drive Manual 175000 miles

What is causing this. The water pump is moving the water through the engine

FOUND 2430 RELATED QUESTIONS

1 Answer

Tiny

dsplc

December, 18, 2008 AT 9:58 PM

1.Maybe your heater control valve is defective. The heater control valve controls the flow of the hot coolant (water) that is entering to the heater core.
2.Is the cable that is hooked on the heater control valve moving when you turn the knob in the dashboard to hot - cool position?
3. heater core maybe clogged


http://www.2carpros.com/forum/automotive_pictures/89255_corolla_heater_control_valve_93_1.jpg

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