K Yukon/Denali 4WD V8-5.7L VIN R (2000)
4. For vehicles equipped with the 41-80-E automatic transmission, lubricate the seal mating surface area with oil GM P/N 12346143.
5. Install the adapter and seal to the transmission.
6. Install the six bolts securing the adapter to the transmission.
Tighten the adapter bolts to 50 Nm (37 ft. lbs.).
7. Install the transfer case. Refer to Transfer Case Replacement.
