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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Blower Motor installation

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Old Oct 11, 2000 | 10:26 AM
  #1  
Ben G's Avatar
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Blower Motor installation

I find that I probably need to replace my heater blower motor before winter really sets in. How difficult a job is it for a novice? Is it under the dash work or can I do it from the engine compartment? My truck is a 1989 F-150, 300-6, 4wd.

Thanks,
Ben
 
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Old Oct 11, 2000 | 11:02 AM
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Blower Motor installation

Its located under the hood , right rear firewall area . Unplug the connection , remove the screws holding it to the housing & remove . It will involve some work if you have A/C because of the extra plumbing .
 
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Old Oct 11, 2000 | 11:53 AM
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Blower Motor installation

Thanks! It doesn't sound to bad since I have no air conditioning.

Ben G
 
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Old Oct 11, 2000 | 02:38 PM
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Blower Motor installation

I just did the same thing on my 90 F-150 with air conditioning. It wasn't hard at all. All work is done under the hood, up against the passenger side firewall. It took all of 50 minutes. The longest part was cleaning all the dirt and gunk off of the squirrel cage.
All I did was take out the screws (1/4" if I remeber correctly), unplug the wiring harness (which on the new one actually plugs directly into the blower), and the rubber ventillation hose off of the bottom of the housing. Then you work out the cage and it's free. Then remove the locking metal ring that holds the cage to the motor, I used a small awl to bend the tabs up just slightly (be careful, you have to reuse it). Then clean the cage (I used WD-40 to remove the greasey gunk and dirt, and parts cleaner to remove the WD-40) and put it on the new motor, make sure you slightly flatten the metal ring so it fits tightly on the shaft and use a socket to slide it down. You also have to remove the old foam gasket off of where the blower mounts to the box. Then you just put everything back together using the new parts.

Hope this helps.
 
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Old Oct 11, 2000 | 02:47 PM
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Blower Motor installation

 
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