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Registered
Join Date: Dec 2004
Location: Novato, CA
Posts: 3,064
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My dear departed heater blower fan
Well, I tried my best on this one, but it was not to be. I began with toasted brushes and had a hard time finding anything to fit. I finally found a set of Bosch drill brushes that worked. I filed them to fit and soldered them on the old pigtails. Then the front bearing went south. So I got another front plate, but it had a shot bakelite piece. So I drilled out and transferred my bakelite piece to it. Finally, I thought, a reliable motor. But no.
Here are a couple of pics of the debacle, spread out on my drier. The first is a kind of overview of the way we do business here. The second is a detail of the failure mode. Note how one of the contact tabs on the commutator has come off. Could be from overheating. This probably caused the one brush to rip itself and its associated piece of bakelite right off the face of the front plate. My soldering job held up though! ianc  
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02-20-2005, 11:25 PM
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Join Date: Oct 2002
Location: St. Louis region
Posts: 3,147
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You're fighting a losing battle trying to repair that POS OEM motor.
Carrera replacement heater blower (long)
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Deceased: Black '88 Carrera Coupe, Steve Wong and Russell Berry chips, Dansk premuffler, custom MK GT3-style muffler, Magnecores. Al Reed 7 & 8 X 16 Fuchs. Full Elephant Racing suspension, 21/28 T-bars, Turbo tierods, bump steer kit, Bilstein Sports, BK strut bar. Ruf bumpers, 935 mirrors, Carrera 3.0 tail, DasSport bar. '11 BMW 328iX, '18 Nissan Frontier 4X4, '92 Acura NSX. |
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02-21-2005, 03:22 AM
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There is an inepensive motor at Graingers you can fit to that fan but it does require some fabrication. A search might turn something up.
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Walt 82SC 3.0 81SC 3.6 |
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02-21-2005, 03:50 AM
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I have a nice blower motor and housing off of my '88 3.2 that I would be willing to sell if you need one...
Mike
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Mike 1976 Euro 911 3.2 w/10.3 compression & SSIs 22/29 torsions, 22/22 adjustable sways, Carrera brakes |
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02-21-2005, 04:31 AM
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Join Date: Dec 2004
Location: Novato, CA
Posts: 3,064
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Wavey,
Excellent thread and repair. I'll definitely consider this; we have a Grainger right nearby! ianc |
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02-21-2005, 10:05 AM
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1976 Porsche 911
