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Unread 05-02-2010, 07:21 AM   #1
CALOcruiser
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diff carrier terminology & seals

This may be a stupid question, but is the 'carrier' that you guys refer to pulling to do the inner axle seals the actual housing for the differential? Or are you referring to something internal that holds the gear assembly together?

I can't find a label for the 'carrier' in the exploded diagrams.

I thought I could do the inner axle seals without removing the housing, which would entail pulling the whole axle and disconnecting the drive-shaft. However, if I have to inspect the bearings on the pinion, I guess I have to pull the whole thing.

If I'm just removing the gears to clean and replace axle seals and possibly the differential bearings, can't I get by without pulling the whole thing? Looks like you can remove the bearing cap and pull the gear assembly out to get to everything.

base on these pics, should the whole thing be pulled to address the bearings from the pinion back to the axle yoke and seal?

diff_bearing_caps.jpg   diff_gear_sludge.jpg  
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Unread 05-02-2010, 11:57 AM   #2
Coiz
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The carrier is what the ring gear bolts to so that is what you are looking at it your pictures. You need to disassemble both front hubs all the way to where the spindle comes off. Then you can slide the axles out. Once the axles are out, take off the carrier bearing caps and use a small pry bar to pop the whole carrier out of the housing. From there you can clean and replace the axle seals. I would not remove the driveshaft or the pinion for any reason unless you are needing to replace pinion seal or bearing parts.

Clean off the parts and look for the stamps in the bearing caps and the housing. Make sure they don't get mixed up when going back together. You can see the letter A stamped into mine.
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Unread 05-02-2010, 07:23 PM   #3
CALOcruiser
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Gotcha. Thanks, I first thought the carrier was something to that effect. Then I came across a diagram from a Ford Bronco website that had an arrow pointing to the housing calling it the "carrier". that left me confused.

I already have the axles out, which is how I first noticed the sludge inside the differential. As far as I know, the pinion seal and bearings are okay. But then again, I didn't expect the differential to look like that. Each time I take something off, I find two more things I need to replace.

Can the crap in the differential have compromised the pinion bearings or seal from 'the inside out'? Thanks!
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