Heater blower question
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Joined: Sep 2015
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Heater blower question
Hey all,
Im new to this site, and im sure its been asked....I am having issues with my blower and the air flow through the vents. I opened the blower box and found the blower appears to be working. I have air flow coming through the defrost, floor, and panel, but with the fan switched in high, the air flow is VERY minimal. Any suggestions on where to start looking for the problem? Oh ya...I have a 74 250 360 with factory ac.
Im new to this site, and im sure its been asked....I am having issues with my blower and the air flow through the vents. I opened the blower box and found the blower appears to be working. I have air flow coming through the defrost, floor, and panel, but with the fan switched in high, the air flow is VERY minimal. Any suggestions on where to start looking for the problem? Oh ya...I have a 74 250 360 with factory ac.
Fleet Mechanic
Joined: Mar 2005
Posts: 1,343
Likes: 12
From: Wichita Falls TX
There's a good chance that your cowl side troughs are full of leaves and debris. The RH side is where your heater air inlet is. Mine was completely choked with so much crap that when I has the fan on high, I could barely feel air movement at all. Now it is the correct strong airflow, pretty dang good.
David
David
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,150
Likes: 5,785
From: S/W Missouri, Polk county
So you pulled of the metal cover plate from the box in the eng compartment? NCS says something interesting about doing that.
1979 F100 Air Conditioning
NORTH COUNTRY SPECIALTIES ®
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Cyrusjohn
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
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Dec 6, 2017 05:04 PM
