Yukon XL 4WD V8-6.0L (2007)
8. Remove the boot from the groove on the transfer case output shaft.
9. Remove the propeller shaft from the transfer case output shaft by sliding the propeller shaft forward.
10. Remove the clamp (1) from the propeller shaft boot (2), if needed.
11. Remove the propeller shaft boot (2) from the propeller shaft, if needed.
Installation Procedure
1. Inspect the splines of the transfer case output shaft for a sufficient coating of lubricant. If the output shaft does not have a sufficient coating of
lubricant, lubricate the shaft with grease, GM P/N 12345879 (Canadian P/N 10953511), or equivalent lubricant meeting GM Specification
9985830.