Rear Diff... Not sure what to do. - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 08-19-2012
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Rear Diff... Not sure what to do.

Hey guys. It's been FOREVER since I've posted, however, I'm running into the recurring problem of the pinion seal leaking on my 02 FX4... 4x4 5-speed

So I tore the driveshaft off, took the yoke off, zipped off the pinion nut, and now I'm left with this:

Rear Diff pinion play

Is that way too much play or is that normal?

Also, I took off the rear diff cover and this fell out:



What does it go to?
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Rear Diff...  Not sure what to do.-20120818_142801.jpg  
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Old 08-19-2012
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Thats wayy to much play. replace bearings and it will be good to go.

Also that's your C clip to one of the axles.
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Old 08-19-2012
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Is it a magnet? It looks like the one that normally is stuck to the cover to collect any metal shavings/filings.
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Old 08-19-2012
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Alright excellent thanks for the replies.

Two things though: That play is WITHOUT the pinion nut installed. Even WITH the pinion nut in there, the whole yoke had play. Do I need to worry about the crush sleeve at all? I've never touched rear diffs before other than replacing gaskets.

Other thing: That is not a magnet nor a clamp. It's a soft piece of material, almost like a gasket. No idea where it came from.
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Old 08-19-2012
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Alrighty soooo after A LOT of research, I've come up with most of the answers I need...

And since I can see that this forum is mostly defunct now, I'm grateful for the two replies I did receive. (does no one work on their junk anymore?)

Now, I understand that there has to be a preload on the pinion bearings (accomplished through the crush sleeve) and that has it's own torque setting. (16-29 in/lbs rotational torque, with new bearings) This is SEPARATE from the torque setting of the pinion nut itself, which is 160 ft. lbs.

What I DON'T understand, is how get that initial 16-29 ft. lbs. of torque on there. Wouldn't it just completely annihilate the crush sleeve with the 160 ft. lbs of torque?

Dunno but that's my only other question.

I'll check back in a few days and hopefully have a reply.

Thanks.
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Old 08-19-2012
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kinda a dumb video but he does explain in

You are from hazelton? Im like 3 hours west of you. I go to harrys all the time
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Old 08-19-2012
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Quote:
Originally Posted by kanuck15 View Post
Setting pinion bearing preload on the Ford 8.8" axle - YouTube

kinda a dumb video but he does explain in

You are from hazelton? Im like 3 hours west of you. I go to harrys all the time
Thanks for the vid and yes omfg I'm unfortunately "from" hazleton (it doesn't even deserve caps). Yes I frequent Harry's quite often, myself. Starting to hate how "dark" it is there...
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Old 08-19-2012
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Lol I hear ya man. I was scared driving around town there. I find it amusing that a random town in central pa is bi-lingual
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Old 08-19-2012
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Ever figure out what the seal, rubber thing was?
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Old 08-20-2012
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a clutch for a l/s maybe?
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Old 08-20-2012
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Quote:
Originally Posted by blue03ranger View Post
a clutch for a l/s maybe?
That was my guess.. idk what else looks like that.
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