'66 Bonneville - How do i torque this odd hex nut!


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Old 08-19-13, 01:30 AM
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'66 Bonneville - How do i torque this odd hex nut!

Hi
I own a 1966 pontiac bonneville and need some help ...the hex nut keeping the power steering pulley on its shaft on the pump is a 'slotted hex nut' of some sort - i believe they are self tightening so they won't fall of the rotating shaft?

Anyway - question is this - what's the correct way to unscrew and then torque back on a moving/revolving shaft? I'm worried about damaging the shaft/power steering pump if i hold/clamp/or do something daft...

Any help would be most appreciated!

Thanks

Kev
 
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Old 08-19-13, 03:56 AM
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I don't know about a '66 Bonneville, but later model GM's use a pressed-on pulley that takes a special puller. Can you post a pic?

Here's one style of puller and installer set:

http://ww2.justanswer.com/uploads/ap...0717837747.jpg
 
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Old 08-19-13, 04:24 AM
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thanks for your response

these early models are more straightforward in that the pulley just slides off when the self tightening hex nut is removed....the problem being the rotating shaft that the nex screws onto...im guessing it needs to be clamped some how....
 
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Old 08-19-13, 05:54 AM
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An impact wrench is your best bet.
 
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Old 08-19-13, 08:27 AM
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on retired wrench.
 
 

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