Quick Quiz

[1979Jimmy]

When you just turn the electricity on and not the ignition and you can hear a fan spinning. What is the name of that fan?

79 Jimmy, 5" lift 35 M/T with a 383 puttin out 400hp and 450lb/ft. Locked front and back.

 

[Can Can]

Blower motor fan?



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[mudhog]

aaaahhhhhh a heater fan

wheeling videoshttp://community.webshots.com/user/ssmith6333

 

[scooby]

only if u left it on

 

[mudhog]

on some older ones the fan will stay on even when turned off by the switch mine dose i have to pull the fuse during the summer to get it to turn off

wheeling videoshttp://community.webshots.com/user/ssmith6333

 

[1979Jimmy]

yeah thats it lol, a heater fan, and my turns on unconditionally when the fan is on all the way low it doesnt blow air through the vents it just spins and you can hear it. So the second part of the quiz is why wouls it be screaching on startup sometimes?

79 Jimmy, 5" lift 35 M/T with a 383 puttin out 400hp and 450lb/ft. Locked front and back.

 

[Can Can]

Nope.......I'm almost positive that the older Chevs didn't have an off position for the fan. It had something to do with maintaining "positive pressure" in the cab to keep outside dust from coming in through cracks.

So, it's probably the blower fan on low(which was as low as it went).



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[Wheels]

The noise is bad bushings. Mine sqwalled last winter on really cold days until it warmed up. At 2:00 am when your feet are frozen in the sleeping bag and it's the only source of heat for miles, the sqwalling sounded like a belt ready to let go. Started out real low, but was amplified on a really cold morning in the woods. Bought a new one (about $16) and it cured it.