Sheila Gonzalez

Asked by Dec 17, 2015 at 05:53 PM about the 1999 Ford F-150

Question type: Maintenance & Repair

Heater not working

5 Answers

Guy Outland

Not blowing, not getting hot, not adjusting air distribution to where you would like it? Love to help you but a little more to go on please.

1 out of 1 people think this is helpful.
Sheila Gonzalez

Not getting hot blowing cold air

Guy Outland

There several things to check first, Is there coolant? is the engine getting warm/normal temp? If there is coolant and the engine is at opperating temp do both of the hoses to the heater core get hot? Is one of them hotter than the other by a considerable margin? Now if all of these are okay then you will need to check the temp blend door function. Have you been hearing a terrible clack clack noise from under the dash? Lets see what you have now before going any further.

1 out of 1 people think this is helpful.

Same problem with me. Actually just fixed it after thinking it was the blower motor. It actually isn't, it's the blower motor resistor that you can buy from parts store for $20.00. Actually very easy to put in. If you need help you can email me

Guy Outland

Therealjake not blowing hot and not blowing aren't the same. If it blows on 4 but not 1 2 3 then its the resistor. I'm glad that you were able to repair yours without much expense.

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