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Re: Carrier shims
make sure to mark the bearing caps for side and top. they are installed and then machined so they only make a perfect round hole if aligned the same way they were before you took it apart.
there will likely be shims behind the pinion bearing cup and/or cone to set the depth of the pinion and possibly shims or a crush sleeve between the two pinion bearings. I haven't had that one apart in awhile so can't remember. too many other diffs in between. if replacing bearings remove the old ones carefully and you can likely re-use the shims and then check the tooth contact pattern after to make sure it is still good. before you start you may want to check the runout on the carrier ring gear flange, no use to spend money on something that may be out of limits.
if doing a bearing and seal job, check for a price on a kit. sometimes the kit, including shim packs, tooth contact ink, bearings and seals, is pretty decently priced.
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