Chevrolet Silverado / GMC Sierra. Service manual — part 2858

Fig. 45: View Of Shift Fork Components
Courtesy of GENERAL MOTORS CORP.

Shift Forks Installation

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 1222/1225/1226-NQG - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Front Output Shaft Assembly, Drive Chain, and Oil Pump Suction Pipe Installation

Fig. 46: View Of Front Output Shaft Assembly, Drive Chain & Oil Pump Suction Pipe
Courtesy of GENERAL MOTORS CORP.

Front Output Shaft Assembly, Drive Chain, and Oil Pump Suction Pipe Installation

Callout

Component Name

1

Transfer Case High/Low Shift Fork

2

Transfer Case Two/Four Wheel Drive Shift
Fork Assembly

3

Transfer Case Control Actuator Shaft

4

Transfer Case Shift Fork Spring

Callout

Component Name

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 1222/1225/1226-NQG - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Transfer Case Rear Case Half Installation

1

Transfer Case Front Output Shaft Assembly

2

Transfer Case Front Output Shaft Drive Chain
Assembly, Transfer Case Front Output Shaft Driven
Sprocket
Tip:

Install the chain with the darkened links facing
up.

Engage the driven sprocket to the chain.

Install the driven sprocket over the front output
shaft assembly while engaging the chain with the
drive sprocket.

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 1222/1225/1226-NQG - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 47: View Of Transfer Case Rear Case Half Components
Courtesy of GENERAL MOTORS CORP.

Transfer Case Rear Case Half Installation

Callout

Component Name

1

Transfer Case Front Output Shaft Driven Sprocket
Spacer

2

Transfer Case Front Output Shaft Driven Sprocket
Spacer Spring
Tip: Ensure the spacer spring is properly positioned
into the spacer groove.
Sealer GM P/N 12345739 (Canadian P/N 10953541)
or Equivalent

NOTE:

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - MP 1222/1225/1226-NQG - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado