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post #1 of (permalink) Old 08-02-2003, 12:08 PM Thread Starter
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Pitman arm nut size?

79 CJ7 Power steering. Trying to take off the Pitman arm nut off the bottom of the pitman shaft. No luck with a wrench so I am trying to use an impact.

I am not sure of the size and the FSM does not list it. My wrench has markings on size and with it cranked down tight on the nut it is just a hair over 1.25. So I borrowed a 1.25. It won't fit on. I went to NAPA and they thought a 32mm would be the best bet. That makes sense since on the other side of my wrench since "a hair over" 1.25 shows as 32mm.

OK, it ALMOST fits. Before I go back and exhange this for a different one I thought I'd ask. What size is this silly thing?

The nut isn't banged up so I don't think its a bur or anything that is preventing it from going on correctly.
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post #2 of (permalink) Old 08-02-2003, 12:44 PM
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Re: Pitman arm nut size?

If memory serves me correctly a 34mm worked for me.
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post #3 of (permalink) Old 08-02-2003, 02:15 PM
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Re: Pitman arm nut size?

1 5/16th
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post #4 of (permalink) Old 08-03-2003, 12:37 AM
 
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Re: Pitman arm nut size?

DING DING DING!
What do we have for him Johnny?
Jeepgod is correct. The nut is a 1 5/16"
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post #5 of (permalink) Old 08-03-2003, 06:28 PM Thread Starter
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Re: Pitman arm nut size?

I concur - 1 5/16. After one more trip to NAPA I paid more for a non impact 1 5/16. Didn't know that 1.25 is as large as most (all?) sets go in 1/2 drive, so I had to also buy a 3/4 to 1/2 adapter. Oh well it came off with some time under the impact hammer.

BTW I checked the FSM it is supposed to only have 30ft/lbs. Is that right?? I know this one had more than that.

Thanks much.
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post #6 of (permalink) Old 08-03-2003, 07:02 PM
 
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Re: Pitman arm nut size?

Could be 30lbs plus 30 years of rust and grime....
it
Considering how the force acts on it normally, it probably doesn't have to be super tight on the thing, though when I put mine on, I did follow the german torque spec of Gudentight [img]images/graemlins/smile.gif[/img]
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post #7 of (permalink) Old 08-03-2003, 07:25 PM
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Re: Pitman arm nut size?

The lockwasher is what makes them so damn hard to get off. The lockwasher has so much tension, that is takes a lot of force to remove the nut. And ahhhhhh rust doesnt help either.
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