1993 Toyota Corolla Water not circulating through heater co

Tiny
ALLEN BOATWRIGHT
  • MEMBER
  • 1993 TOYOTA COROLLA
  • 4 CYL
  • FWD
  • MANUAL
  • 175,000 MILES
What is causing this. The water pump is moving the water through the engine
Thursday, December 18th, 2008 AT 10:27 AM

1 Reply

Tiny
DSPLC
  • MECHANIC
  • 220 POSTS
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


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

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Thursday, December 18th, 2008 AT 9:58 PM

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