1988 Other Ford Models No air flow from vents

Tiny
DCLAY15
  • MEMBER
  • 1988 FORD
  • V8
  • 2WD
  • AUTOMATIC
  • 13,500 MILES
My heater blower works but I do not have any air flow from the vents. How can I trouble shoot this?
Thank you
David
Tuesday, November 17th, 2009 AT 12:29 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Go under the dash and by the heater yu should see a cople of vacuum motors. Try moving the arm on one or the other while the blower is going and se if it changes the vents from defrost to heater or dash. That is the one thatisn't working. It will eithe not hve vacuum going to it or just stuck as they do that sometimes. If it's notgetting vacuum then it may be the control unit that is bad or no vacuum going to the control unit.
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Saturday, December 26th, 2009 AT 10:06 AM

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