pinion bearing replacement? - JeepForum.com
 
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post #1 of 8 Old 12-23-2012, 08:36 AM Thread Starter
WJlover
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1999 WJ 
 
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pinion bearing replacement?

i suspect my pinion bearing has called it quits.

now, is there an easy way to do this, or am i stuck gutting the front diff?

any writeups? didnt see any.



also, getting that pinion nut off
havent tried my impact gun, because i only have a 5gallon air compressor, but i did try putting a floor jack under a breaker bar...all i did was move the jeep forward...
sorry if this thread a little...empty. im just wiped out from fighting with that nut

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post #2 of 8 Old 12-24-2012, 05:59 PM
lar308
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It would be beter to disassemble the front diff, you need to inspect the other bearings as well. You won't be able to change the bearing cup as it's pressed into the housing. To remove the pinion nut you can put the vehicle in 4wd, set the emergency brake and have someone hold the brake pedal. Impact is easiest, breaker bar with extension handle, after that you have to get creative. Good luck, Ron
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post #3 of 8 Old 12-26-2012, 04:44 PM Thread Starter
WJlover
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for the pinion nut, i did see in the FSM to use a spanner. i never seen anything like this before but its genius. its a Y and bolts to 2 holes on the yoke, and thena long part comes and appears to prop against the tire. so it doesnt turn when i wrench on it.
dont know where to find one, but im certainly going to look.

but the FSM doesnt cover much in terms of tips and tricks.

also is it at all possible without an in-lbs torque wrench? i cant find the type everyone says to use.
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post #4 of 8 Old 12-27-2012, 08:41 AM
leftlanetruckin
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I am GUESSING that the rig is a wj, as in your screen name?
Would kind of help to know what the rig was before preceding with advise......Just a thought.

Martin

1998 XJ on 37's.JK Rubi axles with chromo shafts and ctm's, 4:1 transfer case, etc etc etc.
2003 Range Rover HSE, 4.4 Quad Cam.
1998 Range Rover with a 6.0 LSx
1994 YJ, 4.3/700R4/OME SOA, etc
Western Star 4900EX 4 axle.
4.3/700r4/new frame buildup (YJ)....

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post #5 of 8 Old 12-28-2012, 07:20 AM Thread Starter
WJlover
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ya that might help. it WAS in my profile, dont know what happened there...
but yes its a WJ 4.7
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post #6 of 8 Old 12-28-2012, 11:26 AM
Jason
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I just use a big pipe wrench on the yoke instead of that spanner thingy.

I can't tell the difference between 20 and 40 in-lbs with my hands, so I'd suggest a torque wrench is required. This is the inch-pound torque wrench I've used. It's pretty easy to find one.



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post #7 of 8 Old 12-30-2012, 04:49 AM Thread Starter
WJlover
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thats what ive been looking for and everything says to use, but i cant find them anywhere.
http://shop.advanceautoparts.com/web...ue+angle+gauge
would this be of any use?

probably be good to have either way.
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post #8 of 8 Old 12-30-2012, 07:12 AM
leftlanetruckin
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Quote:
Originally Posted by WJlover View Post
thats what ive been looking for and everything says to use, but i cant find them anywhere.
http://shop.advanceautoparts.com/web...ue+angle+gauge
would this be of any use?

probably be good to have either way.
That is for torque to yield, or stretch, bolts. Cylinder heads etc that say to "torque to 20ft lbs, then a further 80 degrees" and so on. Not a lot of use for a differential.
Sears sells a variety of inch torque wrenches, as well as Ebay, etc.

Martin

1998 XJ on 37's.JK Rubi axles with chromo shafts and ctm's, 4:1 transfer case, etc etc etc.
2003 Range Rover HSE, 4.4 Quad Cam.
1998 Range Rover with a 6.0 LSx
1994 YJ, 4.3/700R4/OME SOA, etc
Western Star 4900EX 4 axle.
4.3/700r4/new frame buildup (YJ)....

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