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Pinion Shaft Retainer Bolt Size?

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Old Mar 19, 2013 | 06:57 PM
  #1  
Prototype4342's Avatar
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From: Yelm, WA
Year: 1998
Model: Cherokee
Engine: 4.0
Default Pinion Shaft Retainer Bolt Size?

Hey guys, a couple of weeks ago I went out to grab the rear disk stuff from a junkyard for my XJ. I believe the GC I was working on was a 2000. Anyone know the size of the head for that retaining bolt? Nothing I had seemed to fit it. Trying to go out again this weekend.

Thanks
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Old Mar 20, 2013 | 02:42 PM
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From: Manlius, east of Syracuse, NY
Year: 2000 XJ Sport & WJ Laredo
Model: Grand Cherokee (WJ)
Engine: 4.0L
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If you're talking about the nut on the pinion holding the driveshaft yoke on, you're going to need wrenches about 3 feet long! That nut is an interferance fit and takes about 150 lb/ft or more to turn. No, I don't know what size it is.
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Old Mar 20, 2013 | 05:34 PM
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From: Yelm, WA
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Engine: 4.0
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Originally Posted by dave1123
If you're talking about the nut on the pinion holding the driveshaft yoke on, you're going to need wrenches about 3 feet long! That nut is an interferance fit and takes about 150 lb/ft or more to turn. No, I don't know what size it is.
No, sorry the pin that goes through the center of the differential carrier, I always called it the pinion shaft, but that may not be right. There is a small bolt, maybe like 7 or 8mm that retains this pin, It has a weird head, maybe a male torx head or 12 point, it's really hard to tell when laying under the Jeep at the junkyard
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Old Mar 20, 2013 | 05:53 PM
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From: Oroville, CA
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Might be 1/4 or 5/16.
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Old Mar 21, 2013 | 11:50 AM
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could be one of 3: 1/4" 12 point
small male torx but a 1/4" 12 point will work on it as well.
5/16"

Miles
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Old Mar 21, 2013 | 09:26 PM
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From: Yelm, WA
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I will see if I have these at home and bring them next time I go. I have a set of male torx I'll bring along too. Thanks, guys.
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Old Mar 23, 2013 | 09:15 PM
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Just FYI I removed the pin with an 8mm torx socket. It fit without much play and worked fine to remove it.
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