C 2500 Yukon XL 2WD V8-8.1L VIN G (2002)
18. Install the cooling lines to the transmission.
19. If equipped, install the oil cooling lines to the auxiliary oil cooler.
20. Install the cooling lines to the clips.
21. Ensure all of the protective plastic caps are positioned over all of the quick connect fittings.
22. Lower the vehicle.
23. Fill the transmission to the proper level with DEXRON III transmission fluid. Refer to Transmission Fluid Checking Procedure.