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Chevrolet Silverado / GMC Sierra. Manual - part 2825
Fig. 70: Identifying Input Shaft
Courtesy of GENERAL MOTORS CORP.
10. Install the input shaft.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 71: Locating Drive Chain & Sprockets
Courtesy of GENERAL MOTORS CORP.
11. Install the drive chain and sprockets. The blue link on the chain faces up.
IMPORTANT: If using the chain and sprockets again, ensure to align the
marks of the drive chain and sprockets.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 72: View Of Front Sun Gear
Courtesy of GENERAL MOTORS CORP.
12. Install the front sun gear.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 73: Aligning Marks On Pinion Gears
Courtesy of GENERAL MOTORS CORP.
13. With the rear side of the planetary differential facing up, align the marks on the pinion
gears. Position the alignment marks with an area on the planetary housing that can be
reference for all gears.
IMPORTANT: The planetary differential gears are timed to the sun gears. If
the gears are not timed properly, the differential will not
rotate without binding.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
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