1977 Ford F-150 No heat

Tiny
GHAWK474
  • MEMBER
  • 1977 FORD F-150
Heater problem
1977 Ford F150 V8 Two Wheel Drive 90,000 miles

From Minnesota where it been around 15 -0.

No heat from blower motor.
The fan works well, I put in a new Thermostat, The old one opened up when put in a pan of hot water.
The Radiator seems to be circulating good and its full of fluid.
Also, the Temp controls on the dash are workiing fine
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Saturday, January 10th, 2009 AT 7:20 PM

1 Reply

Tiny
JAMES W.
  • MEMBER
Are both in/out hoses to the heater core hot? If yes, check the blend door on the heater box under the dash to make sure it is moving from heat to cool. If no, check the vacuum operated heat control valve to be sure it is opening and isn't plugged. Other than that, the heater core my be plugged. You could try blowing the core out with air or a water hose. Hope this helps
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Saturday, January 10th, 2009 AT 7:33 PM

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