It's made to repair a worn shaft rather than replace it. The sleeve they have is referred to as a speedy sleeve. Look for uneven wear where the seal rides. When you pull your tranny you can check for yourself. I wouldn't think your truck would have that many miles on it to have a worn journal. If I don't need to sleeve it, I can leave the rear cover/gasket housing on the motor, and just pull the seal normally and replace normally?Ĭlick to expand.I saw your post on the 2nd gen section so I came here looking for you. The only reason I'd need to install that sleeve is if my crank end has any serious wear, grooves or gouges in it, correct? The other kit, without the sleeve, comes with the plastic installation ring that you hammer evenly into the rear cover. I really don't want to spend the money on that tool just for one job. One that has a sleeve and seal, and one that has no sleeve, but comes with an installation tool.įrom what I understand, the one that comes with the sleeve must be installed using a $300 specialty installation tool from Cummins. I found out that there are two different rear main seal kits from Cummins. I've never done the rear main on one of these motors before, so I've been doing some research to find out what all I'll need to do. Clutch is getting done, figured I'd do the rear main while I'm in there.
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