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 Pinion nut size?

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motorcitykid



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Join date : 2011-09-28

PostSubject: Pinion nut size?   Mon Sep 16, 2013 11:52 am

I have a 94 Caprice Wagon and want to know what the pinion nut size is before I get it in the air to replace a leaky pinion seal. I want to make sure I have the correct socket. Anybody know what size it is?
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motorcitykid



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Join date : 2011-09-28

PostSubject: Re: Pinion nut size?   Mon Sep 16, 2013 10:33 pm

I was told that it is 1 1/4" earlier today. Just wanted to make sure as I don't have a bunch of bigger size metric sockets and I will not have a ride available when I tear into this. Didn't want to get the driveshaft out and find out I didn't have the right socket. That would decrease the fun level a notch or two putting it back together just to run and get the right socket.
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jayoldschool

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Join date : 2009-06-14

PostSubject: Re: Pinion nut size?   Mon Sep 16, 2013 11:31 pm

Buy the updated yoke/seal service kit if you haven't.
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motorcitykid



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Join date : 2011-09-28

PostSubject: Re: Pinion nut size?   Tue Sep 17, 2013 12:21 am

jayoldschool wrote:
Buy the updated yoke/seal service kit if you haven't.
More information please..Have not heard of such a kit.
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Sprocket

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Join date : 2008-11-04
Location : Palm Beach County

PostSubject: Re: Pinion nut size?   Tue Sep 17, 2013 12:06 pm

That sounds right. I went and bought a wrench just for the job. Also when replacing make sure it's torqued right. If you aren't replacing the crush collar, I'd make it a little tighter. I did one on a 94 and sold the car. the rear made noise and the buyer called me. I told him to bring it back but he said it only was making noise when he slowed down. 300 miles later he was swapping the rear out.
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brokecello
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Join date : 2009-05-28
Age : 38
Location : Greenville, SC

PostSubject: Re: Pinion nut size?   Tue Sep 17, 2013 12:39 pm

motorcitykid wrote:
jayoldschool wrote:
Buy the updated yoke/seal service kit if you haven't.
More information please..Have not heard of such a kit.
Yup, listen to Jay. If you change that seal...it will just leak again. You likely have a groove on the actual yoke.

Here is the thread on when I did this to my old OCC. Already replaced this on my current wagon too.

http://gmlongroof.4umer.com/t3295-updated-the-yoke-on-the-occ?highlight=yoke+kit

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