Chevrolet Silverado / GMC Sierra. Service manual — part 1398

33

Push Nut

34

Brake Drum

35

Wheel Stud

36

Axle Shaft

37

Pinion Flange Nut

38

Pinion Flange Washer

39

Pinion Flange Assembly

40

Pinion Flange Seal Assembly

41

Pinion Tail Bearing Assembly

42

Axle Housing Assembly

43

Vent Hose Connector

44

Differential Case

45

Differential Case Bearing Adjuster

46

Differential Case Bearing Assembly

47

Ring Gear

48

Differential Cross Shaft Lock Screw

49

Differential Pinion Gear Thrust Washer

50

Differential Pinion Gear

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Rear Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 5: Rear Axle with VSES and Drum Brake 8.6 inch
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

1

Differential Side Gear Thrust Washer

2

Differential Side Gear

3

Differential Cross Pin

4

Differential Pinion Gear

5

Differential Pinion Thrust Washer

6

Differential Side Gear

7

Differential Side Gear Thrust Washer

8

Differential Pinion Gear

9

Differential Pinion Gear Thrust Washer

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Rear Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

10

Ring Gear Bolt

11

Differential Case Bearing Assembly

12

Differential Case Bearing Shim

13

Carrier Bearing Cap

14

Carrier Bearing Cap Bolt

15

Drive Pinion

16

Cover Pan Gasket

17

Cover Pan

18

Cover Pan Clip

19

Cover Pan Bolt

20

Cover Pan Bracket Assembly

21

Fill Plug Assembly

22

Drive Pinion Bearing Shim

23

Drive Pinion Head Bearing Assembly

24

Drive Pinion Bearing Spacer

25

VSES Sensor Assembly

26

VSES Sensor Bolt

27

VSES Exciter Ring Assembly

28

Axle Shaft Bearing Assembly

29

Axle Shaft Seal Assembly

30

Drum Brake Assembly

31

Brake Attaching Bolt

32

Push Nut

33

Brake Drum

34

Wheel Stud

35

Axle Shaft

36

Axle Shaft C-Lock

37

Pinion Flange Nut

38

Pinion Flange Washer

39

Pinion Flange Assembly

40

Pinion Flange Seal Assembly

41

Drive Pinion Tail Bearing Assembly

42

Axle Housing Assembly

43

Vent Connector

44

Differential Case

45

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Rear Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

DIAGNOSTIC INFORMATION AND PROCEDURES

DIAGNOSTIC STARTING POINT - LOCKING/LIMITED SLIP REAR AXLE

Begin the system diagnosis by reviewing the system Description and Operation. Reviewing the
Description and Operation information will help you determine the correct symptom diagnostic
procedure when a malfunction exist. Reviewing the Description and Operation information will
also help you determine if the condition described by the customer is normal operation. Refer to
Symptoms - Locking/Limited Slip Rear Axle in order to identify the correct procedure for
diagnosing the system and where the procedure is located.

DIAGNOSTIC STARTING POINT - REAR DRIVE AXLE

Begin the system diagnosis by reviewing the system Description and Operation. Reviewing the
Description and Operation information will help you determine the correct symptom diagnostic
procedure when a malfunction exists. Reviewing the description and Operation information will
also help you determine if the condition described by the customer is normal operation. Refer to
Symptoms - Locking/Limited Slip Rear Axle in order to identify the correct procedure for
diagnosing the system and where the procedure is located.

SYMPTOMS - LOCKING/LIMITED SLIP REAR AXLE

Review the system and operation in order to familiarize yourself with the system functions. Refer
to Locking Differential Description and Operation.

Visual/Physical Inspection

Inspect the system for the following:

Loose or missing fasteners

Obvious damage or conditions which may cause the symptom.

Check the system for proper operation. Refer to Locking Differential Diagnosis.

Symptom List

Refer to a system diagnostic procedure from the following list in order to diagnose the symptom:

Ring Gear

46

Differential Case Bearing Assembly

47

Differential Case Bearing Shim

48

Differential Cross Pin Lock Screw

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Rear Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado