Questions & Answers for: 39 water flow heater core

...checked all dash controls Check the 'heater control valve,' it opens and closes to control the flow of engine coolant into the heater core. It is stuck in the closed position, or not

...be a valve on the heater hoses leading to the heater core in the engine compartment or under the dash that would allow hot water to the heater core check this valve before changing out any more

...Water should flow unobstructed through the core. If it appears that coolant is flowing and you don't have obvious leaks, the next step is to check the blend door. This door controls the air flow ...

...f150 will not blow hot air from heater check the level of coolant in system,check thermostat,check heater controls,make sure heater core isn't  partialy blocked   hope you find ...

...temp runs 210-230 replaced heater core, flushed rad. flushed heater core... when removing heater lines from engine water does not flow... Thinking it's the pump.. Yes. It could be th water

I have 1997 f150 with new heater core and door,new thermastat ,it gets warm,but not hot.Help!! you may have poor radiator flow or pump issue

water flow control valve. (Manual flow valve) in a F150 Truck If you mean a valve in one of the heater hoses, it cuts hot water off from flowing thru the heater core. Its controlled by the temp switch

...39;m not getting any water to the heater core Could be your water pump is bad and not circulating correctly. Sounds like flow control valve or plugged heater core. See if you can test for continuity ...

...to heater core. hose is clear. There is a tap or valve inline on the heater hose, it controls the hot water flow to the heater core , the tap is either rusted shut or the control cable is