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Author Topic: GM rear axle questions  (Read 1845 times)

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GM rear axle questions
« on: February 10, 2009, 08:51:27 PM »
Ok, im not an expert at everything, only most things.... ;D If i was My name would be Masterfabr...

Anyhow my pinion seal is leaking on my van rear axle, can i just unbolt the yoke and replace the seal? Gm lash is set with the pinion yoke and washers correct? as long as i put it back the same way, will i be good?

1997 Chevrolet Express 1500
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Offline Yummi

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Re: GM rear axle questions
« Reply #1 on: February 10, 2009, 09:07:16 PM »
I slept at a holiday inn express last night - i say do it!
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Offline Whiplash

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Re: GM rear axle questions
« Reply #2 on: February 10, 2009, 09:32:22 PM »
Yes, it should just pop out and the new one can go in with a little RTV or "gorilla snot" LOL...
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Re: GM rear axle questions
« Reply #3 on: February 10, 2009, 10:16:45 PM »
Quote from: Whiplash on February 10, 2009, 09:32:22 PM
Yes, it should just pop out and the new one can go in with a little RTV or "gorilla snot" LOL...

But i just re torque the yoke and call it good? any idea of the torque number?
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Offline dsrace

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Re: GM rear axle questions
« Reply #4 on: February 10, 2009, 10:47:38 PM »
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Offline Nutz4sand

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Re: GM rear axle questions
« Reply #5 on: February 10, 2009, 11:13:48 PM »
Did the seal just go bad or does it have a reason to be leaking?

You tow with that thing and if there is wear in the pinion bearings it may be needing a complete overhaul (cheering you up yet??  ;D )

Have to jack the rear end up so the tires are off the ground (no load from it being in park) and see if you have any side play in the pinion shaft yoke area.

Also how much backlash does it have?


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Re: GM rear axle questions
« Reply #6 on: February 11, 2009, 06:32:59 AM »
Quote from: Nutz4sand on February 10, 2009, 11:13:48 PM
Did the seal just go bad or does it have a reason to be leaking?

You tow with that thing and if there is wear in the pinion bearings it may be needing a complete overhaul (cheering you up yet??  ;D )

Have to jack the rear end up so the tires are off the ground (no load from it being in park) and see if you have any side play in the pinion shaft yoke area.

Also how much backlash does it have?

140k I guarantee it has some play... ;D Id buy a ford, had a ford van actually. I stole this van, had to buy it, I dont have a preference, ill drive ford or chevys....
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Offline fabr

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Re: GM rear axle questions
« Reply #7 on: February 11, 2009, 06:42:00 AM »
You are fine with just replacing the seal and torquing the yoke back on.Done it several times when I was wrenching for a living. The bearings are separated by a "crush sleeve" that doesn't crush.You can't over torque the nut as far as the bearings are concerned.
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Offline Whiplash

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Re: GM rear axle questions
« Reply #8 on: February 11, 2009, 08:36:00 PM »
Yup, what Fab said! Although I would keep the torque "gun" moderate just for safety sake!
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Offline fabr

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Re: GM rear axle questions
« Reply #9 on: February 11, 2009, 08:47:23 PM »
I would tho use a NEW nut.
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

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