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Jason's 1993 pick-up still has the IFS front end but the over-all procedure is still the same. The main
difference is carrier bearing shims/washers instead of spanner adjusters. Here, I've already dis-assembled
the carrier.
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A new master kit and a quality Precision ring and pinion are standing by.
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The puller is secured in the vice while the wrench turns the old carrier bearings off.
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The Precision 488 ring tapped on very nicely...not a hard press fit...but not so light that it fell on.
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New carrier bearings are pressed on at the same time on the 10 ton press.
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The same with the pinion races....both were done at the same time.
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...
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The new pinion bearing was pressed on with the .1005" original shim. As you can see,
my vice and the small press see good use for this process.
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The pinion is now loaded into the carrier without the crush sleeve. The crush will be used in the very
end. Pinion pre-load will be set by carefully tightening the 24mm nut.
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Lots of gear oil on both pinion bearings or the PPL readings will be meaningless.
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This is the correct carrier bearing for this shim application. Notice how the race is the highest point?
I have received master kits in the past that had 'low races'.....that meant interference with the carrier bearing shims
and that meant it was a PITA to set the CBPL because the shim had to be tapped in at the same time as the case was
lowered in.
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A lead filled rubber coated hammer helps here.
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Both bearing caps were marked in such a way that there would be no doubt about the side or orientation.
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The BL was zero when I re-used the factory carrier bearing shims. Removing the case is easy by using 2
crowbars.
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Drive side looks deep.
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coast agrees
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Looks close.
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Seems to still be deep. Camera went fuzzy on me this time.
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Still looks good.
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Looks good but can't pull it any farther away from the outer heel even with the outer limit BL at .0085". This is what will
be used.
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The case had to be removed again to re-insert the new crush sleeve. Red loctite was liberally applied
to the clean pinion threads. Even with the long 4 foot cheater bar the force required to crush the sleeve were
mucho. Anti-sieze on the threads would make it about 30% easier to crush but today we are on the Loctite wagon.
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After crushing it and verifying 14 in/lbs, it was time to pound the case in the carrier and torque the
bearing cap bolts to 75 ft/lbs.
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One last thing to do...
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...carefully tap the new axle stub seals supplied in the master kit in place.
A light coating of gear oil on the rubber to prevent a dry start-up.
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I supply a paper tag with most of my gear installs that lists all the specs that I set the install to. I usually also
add the specs to the ring gear via a dremel tool.
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I've received a number of gear sets in the mail protected by 8 gallon Action Packer containers like the
one on the left(perfect size).The packers run about $17. But, recently, I was in Walmart and found a
reasonably strong 10 gallon tote for $3.46!
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I would like to recommend these for sending 3rds to me....they are cheap and strong enough for multiple trips.
Sure helps me when I have a container like this ready to go.
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Lots of room in the tote....The 3rd would rub thru the bottom if it were shipped
like this so the trick is lotsa cardboard...
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Find a long box....like a refrigerator box and cut a 15 inch wide strip about 5 feet long.
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Wrap the carrier like a burrito and tape it. I like to use the brown stretchy packaging tape.
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Wrap up misc. cardboard in both ends...
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Stuff a few disc shaped cardboard pieces on this end....
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...and tape up both ends securely.
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3 or 4 cardboard layers on the bottom and all around the sides. Place the lid on and run the stretchy tape around
about 5 or 10 times and it's well secured.
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Total weight...IFS front carrier open diff....secured like this was 57 pounds. This one will
cost about $100 to ship it USPS in 3 days to Kalaheo, Hawaii. Not bad :)
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