Chevrolet Silverado / GMC Sierra. Service manual — part 2833

SCHEMATIC AND ROUTING DIAGRAMS

TRANSFER CASE CONTROL SCHEMATICS

Fig. 1: Transfer Case Control Schematic
Courtesy of GENERAL MOTORS CORP.

COMPONENT LOCATOR

TRANSFER CASE DISASSEMBLED VIEW

Seal
Transfer Case Shift Detent Plunger Plug
Seal

Transfer Case Fluid

88861003

88861004

Transfer Case Vent

Retaining

Compound

12377901

10953504

Vehicle Speed Sensor - O-Ring - Seal

Transfer Case Fluid

88861003

88861004

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

Fig. 2: Case Half Components
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

1

Transfer Case Front Output Shaft Seal

2

Transfer Case Vent

3

Transfer Case Input Shaft Seal

4

Transfer Case Input Shaft Bearing Outer Retaining Ring

5

Transfer Case Stud

6

Transfer Case Selector Switch - O-Ring - Seal

7

Transfer Case Shift Control Switch Assembly

8

Transfer Case Front Half

9

Transfer Case Half Locating Pin

9

Transfer Case Half Locating Pin

10

Transfer Case Input Shaft Bearing Assembly

11

Transfer Case Input Shaft Inner Retaining Ring

12

Transfer Case High/Low Internal Gear

13

Transfer Case High/Low Internal Gear Retaining Ring

14

Transfer Case Rear Output Shaft Rear Bearing Outer Retaining Ring

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

15

Vehicle Speed Sensor Assembly

16

Vehicle Speed Sensor - O-Ring - Seal

17

Transfer Case Rear Half

18

Transfer Case Access Hole Plug

19

Transfer Case - Harness - Bracket

20

Transfer Case Half Bolt/Screw (Qty: 17)

21

Transfer Case Rear Output Shaft Bushing

22

Transfer Case Rear Output Shaft Seal

23

Transfer Case Oil Fill Plug

24

Transfer Case Oil Drain Plug

25

Transfer Case Front Output Shaft Rear Bearing Assembly

26

Transfer Case Shift Detent Plunger Plug

27

Transfer Case Shift Detent Plunger Plug - O-Ring - Seal

28

Transfer Case Shift Detent Spring

29

Transfer Case Shift Detent Plunger

30

Transfer Case Shift Detent Lever Bearing Assembly

31

Transfer Case Shift Lever Seal

32

Transfer Case Shift Lever

33

Transfer Case Control Lever Bolt/Screw

34

Transfer Case Shift Lever - Rubber - Seal

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

Fig. 3: Internal Components
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

1

Transfer Case High/Low Planetary Carrier Retaining Ring

2

Transfer Case High/Low Locking Plate

3

Transfer Case Planetary Carrier Sun Gear Thrust Washer

4

Transfer Case Input Shaft

5

Transfer Case Input Shaft Pilot Bearing Assembly

6

Transfer Case Input Shaft Pilot Bearing Retaining Ring - HD and SHD
Only

7

Transfer Case Planetary Carrier Sun Gear Thrust Washer

8

Transfer Case High/Low Planetary Carrier Assembly

9

Transfer Case High/Low Clutch

2008 Chevrolet Silverado 1500

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

Sierra & Silverado