Thermostat stuck in the open position. Replace the thermostat.
The heater hoses are 5/8 inch diameter.
A 1999 Dodge Ram does not have a water control valve.
1999 dodge intrepid is not starting I change crank and camshaft sensor and it stall will not start what can i do next.
heater core
It is inside the HVAC housing, under the dash.
It should be in the heater blower motor case which is located under the glovebox.
99 Durango doesn't have a Heater Control Valve, It only has a thermostat
No, the Cummins uses an intake heater grid.
yes
The heater on a 1999 Caravan doesn't have a heater valve. The temp is regulated with a blend air door that is controlled by the body computer and climate controll head.
electrolisis, bad head gasket, bad radiater
Sorry bad news Your heater core has a leak