SOURCE: blend door heater all hot
No need to do that, behind the glove box is the blend door motor, it most often breaks the shaft of the blend door, which causes a costly fix, and it will break it again. There are sites that tell you how to remove the motor, drill a small hole and put a pin in the shaft so that the motor will still turn the broken connector, I did this and my blend door is still working 5 years later. I have heard stories of people paying up to $700.00 to have the original blend door replaced, and it breaks again.
SOURCE: i have a 1998 ford f-150 and no heat. i have
You just might have an air lock. Try bleeding the system from the heater hose at the firewall. Losen one hose a little, and at operating temp. open slightly to let air out. You will lose some coolant, but just refill the rad. Now, both hoses should get hot.
SOURCE: heater blows cold air. I have replaced thermostat,
Not an expert by any means, but i know my ranger.. I had a small leak at the top of my radiator that still cooled the engine but didnt have enough pressure to get to the heater. The heater hoses travel up over the engine and just were not gettin anything to my heater core. That or make sure the heater control valve is operating.
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