Re; Heater blowing cold air

- E
- Expediter
  
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posted
17 years ago

Mon, Dec 11, 2006 2:14 PM

97-350 7.3 diesel Super duty Heater blows cold air, changed the heater core, no change. Engine runs at operating temp fine, fluid level is good. must be a problem somewhere to do with?

-15* here (yes)

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- S
- Sharon Cooke
  
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Vote on answer
posted
17 years ago

Mon, Dec 11, 2006 5:03 PM

Blend door actuator (BDA) is probably broken, or the EATC control head is bad. Do the built-in diagnostic (look it up) for the EATC.

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