Chevrolet Silverado / GMC Sierra. Service manual — part 2900

Fig. 46: View Of Shift Fork Assemblies & Rear Output Shaft Assembly
Courtesy of GENERAL MOTORS CORP.

Shift Fork Assemblies and Rear Output Shaft Assembly Installation

Callout

Component Name

Tip:

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

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