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Chevrolet Silverado / GMC Sierra. Manual - part 2900
Front Output Shaft Assembly, Drive Chain, and Oil Pump Suction Pipe Installation
Fig. 47: View Of Front Output Shaft Assembly, Drive Chain, & Oil Pump Suction Pipe
Courtesy of GENERAL MOTORS CORP.
Load all 4 components simultaneously.
The two/four wheel drive actuator cam profile will be aligned with the shift detent
plunger bore when fully installed.
1
Transfer Case High/Low Clutch
2
Transfer Case Two/Four Wheel Drive Shift
Fork Assembly
3
Transfer Case High/Low Shift Fork Assembly
4
Transfer Case Rear Output Shaft Assembly
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Front Output Shaft Assembly, Drive Chain, and Oil Pump Suction Pipe Installation
Transfer Case Rear Case Half Installation
Callout
Component Name
1
Transfer Case Front Output Shaft Assembly, Transfer
Case Front Output Shaft Drive Chain Assembly
Tip:
Install the chain with the darkened links facing
up.
Install the front output shaft assembly into the
front case half while engaging the chain with the
drive sprocket.
2
Transfer Case Shift Fork Spring
3
Transfer Case Oil Pump Suction Pipe Seal
Tip:
Use a NEW seal.
Lubricate the seal to ease installation.
Install the seal to the pipe prior to inserting the
pipe into the pump.
4
Transfer Case Oil Pump Suction Pipe
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 48: View Of Transfer Case Seals, Brackets & Bolts
Courtesy of GENERAL MOTORS CORP.
Transfer Case Rear Case Half Installation
Callout
Component Name
1
Transfer Case Two/Four Wheel Drive Actuator Seal
2
Sealer GM P/N 12345739 (Canadian P/N 10953541)
or Equivalent
NOTE:
Apply the proper amount of sealant to the flange when
assembling the transfer case. Excessive amounts of
sealant can plug the oil pump screen, resulting in internal
component failure.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Rear Output Shaft Seal and Shift Detent Plunger Assembly Installation
Tip:
Ensure both sealing surfaces of the front and rear
case halves are free of dirt, oil, and cleaning
solvent.
Apply a 2 mm (0.078 in) bead of sealant to the
front case half.
3
Transfer Case Rear Case Half
Tip:
Ensure the transfer case rear output shaft outer
retaining ring is in place and aligned prior to
mating case halves.
Use snap ring pliers to open the transfer case
rear output shaft outer retaining ring for the
transfer case rear output shaft rear bearing
assembly.
Insert a rubber coated screwdriver into the speed
sensor hole and lift up on the reluctor wheel to
engage the retaining ring with the rear bearing
assembly.
4
Transfer Case Bracket
5
Transfer Case Bolts (Qty: 17)
Tip: Tighten the bolts by hand. Do not use an air gun.
Tighten: 25 N.m (18 lb ft)
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Transfer Case - MP 1625/1626-NQF - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Content .. 2898 2899 2900 2901 ..