Opel Frontera UBS. Service manual — part 954

2A – 34 POWER STEERING

REASSEMBLY

28. Rear Housing

27. Pin

26. Cam

25. Rotor and Vane

Install the rotor with its punch mark facing the front
housing.

Install the vane with curved face in contact with the
inner wall of the cam.

24. Pressure Plate

CAUTION:
When install pressure plate, be careful not to damage its
inner surface. Damaged pressure plate may cause poor
pump performance, pump seizure or oil leakage.

23. Front Housing

22. O-ring

Be sure to discard used parts, and always used new
parts for installation.

21. O-ring

Be sure to discard used parts, and always used new
parts for installation.

20. Gasket

Be sure to discard used parts, and always used new
parts for installation.

19. Rear Housing Assemble and Pump Cartridge

18. Bolt

Rear Housing Bolt Torque

N·m (kg·m/lb·ft)

54 (5.5 / 40)

17. O-ring

Be sure to discard used parts, and always used new
parts for installation.

POWER STEERING 2A – 35

CAUTION:
When install pressure plate, be careful not to damage its
inner surface. Damaged pressure plate may cause poor
pump performance, pump seizure or oil leakage.

16. Retaining Ring

15. Shaft

14. Bearing

13. Shaft Assembly

12. Retaining Ring

11. Spring

10. Filter

9. Retaining Ring

8. Valve

7. O-ring

Be sure to discard used parts, and always used new
parts for installation.

6. Connector

Connector Torque

N·m (kg·m/lb·ft)

54 (5.5 / 40)

5. O-ring

Be sure to discard used parts, and always used new
parts for installation.

4. O-ring

Be sure to discard used parts, and always used new
parts for installation.

3. O-ring

Be sure to discard used parts, and always used new
parts for installation.

2. Pipe, Suction

1. Bolt

Suction Pipe Bolt Torque

N·m (kg·m/lb·ft)

21 (2.1 / 15)

2A – 36 POWER STEERING

POWER STEERING PUMP (4JX1 Engine Model)

17

1

18

22

7

6

5

4

3

2

19

20

21

15

14

16

8

10

12

11

13

9

23

Disassembly Steps

1.

O-ring

2.

Pipe, suction

3.

O-ring

4.

Connector

5.

O-ring

6.

Valve

7.

Spring

8.

Bolt

9.

Rear housing assembly

10.

O-ring

11.

Pump cartridge

12.

Cam

13.

Rotor and vane

14.

Pressure plate

15.

O-ring

16.

O-ring

17.

Gear

18.

Retaining ring

19.

Shaft assembly

20.

Bearing

21.

Shaft

22.

Oil seal

23.

Front housing

Reassembly Steps

23.

Front housing

22.

Oil seal

21.

Shaft

20.

Bearing

19.

Shaft assembly

18.

Retaining ring

17.

Gear

16.

O-ring

15.

O-ring

14.

Pressure plate

13.

Rotor and vane

12.

Cam

11.

Pump cartridge

10.

O-ring

9.

Rear housing assembly

8.

Bolt

7.

Spring

6.

Valve

5.

O-ring

4.

Connector

3.

O-ring

2.

Pipe, suction

1.

O-ring

412RW048

POWER STEERING 2A – 37

DISASSEMBLY

Preparation:
Clean oil pump with solvent (plug the discharge and
suction port to prevent the entry of solvent). Be careful not
to expose the oil seal of shaft assembly to solvent.

1. O-ring

2. Pipe, Suction

3. O-ring

4. Connector

5. O-ring

6. Valve

7. Spring

8. Bolt

9. Rear Housing Assembly

10. O-ring

11. Pump Cartridge

12. Cam

13. Rotor and Vane

14. Pressure Plate

15. O-ring

16. O-ring

17. Gear

18. Retaining Ring

19. Shaft Assembly

20. Bearing

21. Shaft

22. Oil seal

CAUTION:
When removing the oil seal, be careful not to damage the
housing.

23.

Front Housing