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Topic: Rear Window Defogger Repair

in Forum: C3 Cooling and Heating Systems


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Rear Window Defogger Repair (1/6)
 1/22/12 11:37am
Fun4Joe
Former Member

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Vette(s):
2007 Coupe, magnetic red, LS2, Auto, 3LT, Z51 1970 Cortez Silver 454/390 Coupe (SOLD)


Joined: 2/21/2011
Posts: 4

The rear window defogger fan motor in my 70 coupe is making a "rattling" noise but seem to move air properly. I haven't torn ito it yet, but would like to repair/replace while the car is in for the winter. Internet searches have been fruitless. Does anyone know where to find a replacement motor, or optionally the best place to get mine rebuilt. Any other suggestions, hints or instructions would be welcome too.
 
TIA--Joe


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Re: Rear Window Defogger Repair (2/6)
 1/23/12 12:36am
rraider1
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Woodland, WA - USA

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1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion


Joined: 10/14/2003
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Re: Rear Window Defogger Repair (3/6)
 1/23/12 9:07am
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


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Before condemning anything, I would get the motor out, and see if there is a dead mouse, or some other object lodged in the fan....even a candy wrapper could cause a noise. The fan could also just be loose on the motor shaft. Thumbs Up

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Joel Adams
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Re: Rear Window Defogger Repair (4/6)
 1/23/12 9:58am
Fun4Joe
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Vette(s):
2007 Coupe, magnetic red, LS2, Auto, 3LT, Z51 1970 Cortez Silver 454/390 Coupe (SOLD)


Joined: 2/21/2011
Posts: 4

Thanks...not sure that will work for a C3, but then I haven't pulled it apart to see what it looks like...



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Re: Rear Window Defogger Repair (5/6)
 1/23/12 10:00am
Fun4Joe
Former Member

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Vette(s):
2007 Coupe, magnetic red, LS2, Auto, 3LT, Z51 1970 Cortez Silver 454/390 Coupe (SOLD)


Joined: 2/21/2011
Posts: 4

Thanks, Joel...will do...just looking for options once I get it pulled apart...
 
--Joe


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Re: Rear Window Defogger Repair (6/6)
 1/23/12 2:14pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


Joined: 11/8/2003
Posts: 20126

Might just need to balance the fan/squirrel cage. Most have some kind of balance weight on them on one(or more) of the fins, and some tend to fly off over the years.I've seen a couple of them rusted out, too...Ouch

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Joel Adams
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(click for Texas-sized view!)
             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"

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