Chevrolet Silverado / GMC Sierra. Service manual — part 2817

Fig. 41: Locating Drive Chain & Sprockets
Courtesy of GENERAL MOTORS CORP.

20. Remove the chain with the drive sprocket and driven sprocket.

IMPORTANT: If the chain and sprockets are to be used again, mark the

relationship of the chain to the sprockets in order to mark
the wear patterns.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 42: Identifying Input Shaft
Courtesy of GENERAL MOTORS CORP.

21. Remove the input shaft.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 43: View Of Front Output Shaft Assembly
Courtesy of GENERAL MOTORS CORP.

22. Remove the front output shaft assembly.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 44: Removing Front Output Shaft Cup Plug
Courtesy of GENERAL MOTORS CORP.

23. If the cup plug in the front output shaft is leaking, remove the plug using a brass drift.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado