How to take apart a 8.8" 3.55 axle???? - Ford Truck Enthusiasts Forums



How to take apart a 8.8" 3.55 axle????

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Old 09-15-2011, 07:57 PM
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Smile How to take apart a 8.8" 3.55 axle????

First time tearing into this. The passenger side seal blew and the outer wheel bearing burned up. Now I can grab the flange and wiggle it with 3/8" of slack.

Haven't opened it up yet but wanted to get some pointers. Is it the usual C clip affair? Do I need to remove the backing plate? etc? Any pics or anything would greatly help

Specs:
8.8" ring gear
3.55 ratio
Open diff
Drum brakes
Comes off 4.2L 2000 F-150 XL supercab
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Old 09-16-2011, 12:22 AM
85e150six4mtod 85e150six4mtod is offline
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C clip, but not sure about backing plate.

This is interesting:

http://www.explorer4x4.com/axleseals.html

More:

http://www.pirate4x4.com/forum/showthread.php?t=806448
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Old 09-16-2011, 02:12 AM
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Thanks so much!!!!!
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Old 09-16-2011, 02:03 PM
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Yes, you have to remove the backing plate. Once you do, there will be a small bolt holding the crosspin in place. Be extremely careful with this bolt. It's very common for it to snap off and then you are in a world of hurt. Once you remove it, the crosspin will come right out and then both axles can be pushed inward to expose the c-clip. The clip comes out and the axle will slide right out.
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Old 09-16-2011, 03:40 PM
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"Backing plate". Yes, the cover comes off the back of the differential.

I think the OP was talking about the brake backing plate at the wheel. Not sure you have to pull that.
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Old 09-16-2011, 09:12 PM
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Yes I meant the brake backing plate. Thanks!!!!
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