Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 507

DRIVE SHAFT SYSTEM

DS

Page

1.

General Description . . . . . . . . . . . . . . . . . . . . ...2

2.

Propeller Shaft . . . . . . . . . . . . . . . . . . . . . . .11

3.

Front Axle . . . . . . . . . . . . . . . . . . . . . . . . .14

4.

Front Hub Unit Bearing . . . . . . . . . . . . . . . . . . . 18

5.

Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . .20

6.

Rear Hub Unit Bearing . . . . . . . . . . . . . . . . . . . .24

7.

Front Drive Shaft . . . . . . . . . . . . . . . . . . . . . ..27

8.

Rear Drive Shaft . . . . . . . . . . . . . . . . . . . . . ...35

9.

General Diagnostic Table . . . . . . . . . . . . . . . . . . .43

DS-2

General Description

DRIVE SHAFT SYSTEM

1. General Description

A: SPECIFICATION

1. PROPELLER SHAFT

Model

Except for STI model

STI model

Propeller shaft type

EDJ

3UJ+CPS

Front propeller shaft Joint-to-Joint length: L

1

mm (in)

735.5 (28.96)

633 (24.92)

Rear propeller shaft Joint-to-Joint length: L

2

mm (in)

698 (27.48)

728.5 (28.68)

Outer diameter of tube:

mm (in)

D

1

63.5 (2.499)

70.0 (2.756)

D

2

57.5 (2.264)

57.0 (2.244)

(A)

3UJ type

(B)

EDJ type

DS-00520

(B)

(A)

D1

D2

L1

L2

D1

D2

L1

L2

DS-3

General Description

DRIVE SHAFT SYSTEM

2. FRONT DRIVE SHAFT ASSEMBLY

3. REAR DRIVE SHAFT ASSEMBLY

Model

Type of drive shaft

Axle diameterφ mm (in)

Axle length mm (in)

Except for STI model

EBJ + PTJ

22 (0.87)

361.4 (14.23)

STI model

AC + AAR

28 (1.10)

343.1 (13.51)

(A)

Axle diameter

(B)

Axle length

Model

Type of drive shaft

Axle diameterφ mm (in)

Axle length mm (in)

Except for STI model

EBJ + DOJ

22 (0.87)

383.1 (15.08)

STI model

EBJ + EDJ

25 (0.98)

339.5 (13.37)

(A)

Axle diameter

(B)

Axle length

DS-00440

(B)

(A)

DS-00409

(B)

(A)

DS-4

General Description

DRIVE SHAFT SYSTEM

B: COMPONENT

1. PROPELLER SHAFT

(1)

Propeller shaft (3UJ type)

(3)

Rear differential (T-type)

Tightening torque: N·m (kgf-m, ft-lb)

(2)

Propeller shaft (DOJ-type)

(4)

Rear differential (VA2-type)

T1: 31 (3.16, 22.9)

T2: 52 (5.30, 38.4)

T1

(3)

T2

(1)

DS-00511

(4)

T1

(2)

T2