P1 Planetary Module: Disassembly
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, 2003 Chevrolet Cab & Chassis Silverado, and 2002 GMC Sierra. However, it is still accessible from the selected car via links, so may be relevant.
Remove thrust washer from P2 ring gear then remove retaining ring. See Fig 1. Separate P1 planetary carrier assembly from P2 ring gear.