Opel Frontera UBS. Manual - part 1929

DIFFERENTIAL (FRONT)

4A1–6

3. Remove the drain bolt to drain differential oil.

NOTE:

a. During the work, be sure that the diff case is

supported by the jack.

412RS003

b. Remove the brake caliper fixing bolt and hang the

caliper. Refer to Front Disc Brake Caliper Assembly
in Brake section.

c. Remove the antilock brake system speed sensor (if

equipped).  Refer to Front Wheel Speed Sensor in
Brakes section.

4. Remove the hub assembly (Disc, back plate and

knuckle), refer to Front Hub and Disc in this section.

5. Disconnect the knuckle and the suspension arm.

Refer to Suspension section.

6. Remove steering link and arm assembly, refer to

Steering Linkage in Steering section.

7. Remove suspension crossmember.
8. Remove propeller shaft, refer to Front Propeller Shaft

in this section.

9. Remove protector (Shift on the fly model).

10. Remove the hose clip.

11. Disconnect breather hose from front drive axle tube.

(and disconnect housing : Shift on the fly model).

12. Disconnect vacuum hose from actuator (Shift on the

fly model).

13. Disconnect shift switch connector (Shift on the fly

model).

412RS031

14. Remove VSV assembly (1) (Shift on the fly model).

NOTE: Be sure not to remove hose and connector from
VSV asm.

412RW002

4A1–7

DIFFERENTIAL (FRONT)

15. Remove mounting bolt and nut.

412RS004

16. Remove washer and spacer.
17. Remove the mounting bracket fixing bolt.

412RS005

18. Lower the vehicle and disconnect the RH front drive

shaft assembly,  then remove the front axle case
assembly and front drive shaft assembly (LH).

412RS006

19. Remove front drive shaft assembly (RH).

Installation

1. Install front drive shaft assembly (RH) and lay the

assembly on the lower arm.

2. Install front axle case assembly and front drive shaft

assembly (LH) and place the axle case on the jack,
connect to the front drive shaft assembly (RH) before
installing to the vehicle.

3. Install bolt and tighten the mounting bracket fixing bolt

to the specified torque.

Torque: 116 N·m (11.8kg·m/85 lb ft)

4. Install washer and spacer.

DIFFERENTIAL (FRONT)

4A1–8

5. Tighten the mounting bolt and nut to the specified

torque.

Torque: 152 N·m (15.5kg·m/112 lb ft)

412RW005

Legend

(1) Frame
(2) Spacer
(3) Washer
(4) Bolt
(5) Nut

6. Install VSV assembly and tighten nuts to specified

torque (Shift on the fly model).

Torque: 8 N·m (0.8kg·m/69 lb in)

7. Install the shift switch connector (Shift on the fly

model).

NOTE: Be careful not to permit the entry of dust into the
connector.

8. Install the actuator side of vacuum hose (Shift on the

fly model).

NOTE: Be careful not to permit the entry of dust into the
hose.

9. Connect breather hose and install the hose clip.

10. Install protector and tighten bolts to specified torque

(Shift on the fly model).

Torque: 26 N·m (2.7kg·m/20 lb ft)

11. Install propeller shaft, refer to  Front Propeller Shaft in

this section.

12. Install suspension crossmember.
13. Steering link and arm assembly, refer to  Steering

Linkage in Steering section.

14. Install hub assembly (Disc, back plate and knuckle),

refer to Front  Hub and Disc in this section.

4A1–9

DIFFERENTIAL (FRONT)

Differential Assembly

Disassembled View

415RW001

Legend

(1) Differential Assembly
(2) Flange Nut
(3) Flange
(4) Dust Cover
(5) Oil Seal
(6) Outer Bearing 
(7) Outer Bearing Outer Race
(8) Damper
(9) Bracket

(10) Differential Carrier

(11) Bearing Cap

(12) Bolt
(13) Inner Bearing Outer Race
(14) Collapsible Spacer
(15) Pinion Gear
(16) Inner Bearing
(17) Adjust Shim
(18) Diff Cage Assembly
(19) Side Bearing Outer Race
(20) Side Bearing
(21) Adjust Shim
(22) Bolt
(23) Axle Case