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1964 Generator fan nut thread direction?
Posted by: PequotMonza64 ()
Date: June 01, 2022 06:39AM

I want to remove the generator in my 64 110hp sedan. It has the large fan/pulley.

If factory original and not rebuilt, would the nut holding the fan on come off CW or CCW?

I understand that not all armatures are the same. I don't believe this part has been rebuilt.

Glen in Ohio
1964 Monza Sedan Powerglide 110 hp
Low mileage survivor, stock as delivered
Records back to 1967 in Pequot Lakes, Minnesota
Original dealer Mike Turk's in East Liverpool, Ohio
Located in Cleveland, Ohio area


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Re: 1964 Generator fan nut thread direction?
Posted by: Frank DuVal ()
Date: June 01, 2022 06:59AM

All original Corvair generator armatures have left-hand threads. That would be CW looking at the end of the shaft to remove. But, if the armature was replaced by a regular GM front engine car (seen it) then it could be a right-hand thread nut.

BTW, do not place a screwdriver in the "fan" blades of the pulley to hold the pulley still, you will bend and quite possibly break the blade. We all had to learn this unless we saw the other person do it!eye popping smiley

Alternators all have right-hand threads. And they also have that nice Allen hole in the shaft to hold them still.

Frank DuVal

Fredericksburg, VA

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Re: 1964 Generator fan nut thread direction?
Posted by: jjohnsonjo ()
Date: June 01, 2022 07:33AM

Give it a quick hit with an impact gun, see which way works.

Or stick your fingernail in any exposed threads, "if there" then turn the armature and see which way moves your finger to the end of the shaft.

J.O.

65 Corsa Turbo Vert
79 Honda XL 500S
69 Honda CL 160 D
2010 BMW F 650 GS
2003 Bounder 36D
2013 KIA Optima SX turbo-AKA ZIPPY (wife,s car)
69 Newport Holiday Sailboat
Baja 150 dune buggy cart
Coleman HS 500 UTV
2016 KIA Sorento SXL Turbo

Bethlehem,Pa





Edited 1 time(s). Last edit at 06/01/2022 07:36AM by jjohnsonjo.

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Re: 1964 Generator fan nut thread direction?
Posted by: PequotMonza64 ()
Date: June 01, 2022 10:20AM

Can't give it a hit with an impact gun because it's still on the car.

Can't remove it without getting the fan off to give access to bolt in back.

In the end, it cam off easily turning it CW since the last guy didn't get it all that tight.

Appreciate the help, guys!

Glen in Ohio
1964 Monza Sedan Powerglide 110 hp
Low mileage survivor, stock as delivered
Records back to 1967 in Pequot Lakes, Minnesota
Original dealer Mike Turk's in East Liverpool, Ohio
Located in Cleveland, Ohio area


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