What is causing this. The water pump is moving the water through the engine
Dec 18, 2008 at 2:27 AM
1993 Toyota Corolla Water not circulating through heater co
ALLEN BOATWRIGHT
- MEMBER
- 1 POST
Advertisement
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
Dec 18, 2008 at 1:58 PM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement
parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.