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[BIGDRY]

OK after toppign up my rear axle i now know why it was low on oil... 

Anyone offer any guidance on changing rear pinion seal in situ?

can i "just" remove prop, pull out rear yoke (puller required?), undo rear pinion nut with windy gun and replace seal or is there some fancy crushable spacer/torq setting requirement that i need to be aware of.

thx

[5536paulj]

Pretty much as you said, but nut comes off first, then pinion yoke, then you can replace the seal.

Nut is well tight 250ftlbs+, I couldn't shift mine even with a 3/4 windy gun, used a long bar instead.

I made a 'thing' that bolts to the yoke and has a socket on it to hold the pinion steady, as without that the car will move as you try to get the nut off

Others may have found a better way....

[Jonny Jeep]

...I made a 'thing' that bolts to the yoke and has a socket on it to hold the pinion steady, as without that the car will move as you try to get the nut off...

I did a similar thing when I rebuilt my D44 rear, with an old socket welded into it so I could use a strong arm to hold it.

[Bubba]

amc 20 uses a crush sleeve so you need to be careful   

[Dave69]

mark the nut and diff casing so when you put the nut back on you can realign the marks so the crush washer isn't over tightened. US talk is that the nut needs to be replaced, nut lock might be another option to stop the nut working free

[BIGDRY]

Thx everyone, will give it a go!

[BIGDRY]

hello everyone well i tackled this job, must admit i was nervous but it all went well, followed a really good guide off utube .

thing i was surprised about was that i didnt have to use a puller to take my yoke out...i was able to pull it off by hand. anyway we'll see how it goes when back on the road  "Jeep on!" as the man says.

[Bubba]

your axle is amc 20 and uses a crush sleeve  its  not a 44 so although the same process  you need to be careful tightening the pinion nut