So anyhow, it's getting close to the time where I should change it anyhow (I have 22,000 miles on the Jeep, I should change it at 24,000 miles because it's a limited-slip Dana 44 and the plates wear and there's no oil filter so the only way to get that crap out of the differential is to dump the fluid every 12,000 miles) so tonight I took the bikes out of the garage and parked them beside the apartment building, and backed the Jeep into the garage. Now, one reason why I didn't do so well on the rear axle last time was because the rear axle is partially hidden by the gas tank skid plate. So this time, I stuck the Hi-Lift farm jack on the back bumper of the Jeep and jacked it up a little. Not enough to get the wheels off the ground, just enough to lift up the body of the Jeep so that the rear axle wasn't buried so deep by the gas tank. Boy, I'm glad my Jeep has a nice sturdy steel bumper instead of that plastic bullshit on the modern vehicles!
So anyhow, I just popped the differential cover bolts off, whacked the cover a few times with a rubber mallet to get the old RTV to let loose so I could pull it off, and let the fluid drain into the drain pan beneath it. Then I cleaned everything off with a gasket scraper, then brake cleaner (ooh! ether! whoooo!), and put a bead of black RTV around the cover and slapped that sucker back on and torqued the bolts to 30 ft/lbs. So now I'm waiting an hour for the RTV to dry, then I'm going to head back down and put in the differential fluid -- Royal Purple 75W140 synthetic, in case you're wondering (that's the recommended viscosity for this differential when used for off-road duty, and Royal Purple comes with the limited slip additive already included).
Next up, I get to take it to the dealership for a warranty repair on the seat, which seems to have a broken recliner mechanism... grrrr!
-- Badtux the Jeepin' Penguin