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Power steering pump, diesel engine

Power steering pump, diesel engine

Warning

Remember that the servo system is highly sensitive to impurities, so observe the strictest cleanliness when working on the power steering system.


Note

For replacement of power steering pump with bracket , see


To remove



1. Raise the car and remove the sound insulation, right-hand spoiler lower section and the right-hand lower wing liner.

2. Relieve the belt tensioner of tension and remove the belt pulley from the pump. Prise the engine slightly to the left in order to remove the pulley.


3. Lower the car

4. Remove the cover on the engine.


5. Remove the air filter assembly.

6. Place a container under the car.

7. Clean and detach the inlet hose from the pump and let the fluid run down into the container. Point the hose at the container.

Warning

Power steering fluid must not get onto the belt. Cover the pulleys.


8. Remove the delivery hose's retaining screw (which also holds the dipstick tube) from the engine

9. Detach the connection from the pump using special tool No. 89 96 803. See 1:3 Special tools.

10. Remove the power steering pump carefully so that loose parts of the pump do not fall out.



To fit



1. Remove the transit protection from the pump.

2. Coat the sealing ring with vaseline and fit it on the pump. Insert the two upper bolts loosely in the pump.

3. Fit the pump, taking care to prevent it from coming apart.

4. Press the pump against the contact surface and tighten the four bolts.

Tightening torque: 20 Nm (15 lbf ft).

5. Connect the delivery pipe to the power steering pump and tighten it using special tool No. 89 96 803. See 1:3 Special tools. Fit a new seal on the nipple.


Tightening torque: 25 Nm (18 lbf ft)

6. Tighten the retaining screw for the dipstick tube together with the delivery pipe bracket on the engine.

7. Connect the inlet hose to the power steering pump.

8. Fit the air cleaner.

9. Fit the cover on the engine.

10. Raise the car.

11. Fit and secure the belt pulley. Prise the engine slightly to the left to enable the fitting of the belt pulley.


Tightening torque: 9.5 Nm (7.0 lbf ft)

12. Relieve the tension on the belt tensioner and fit the belt. Make sure it is correctly positioned on all the pulleys.

13. Fit the wheel arch liner, spoiler bottom and sound insulation.


14. Lower the car

15. Fill up the system with fresh fluid as per specification.

Note

• Always use fresh fluid.

• Do not turn the steering wheel. Air could then get into the system and be the cause of longer bleeding times.


16. Run the engine for 5 seconds.

Warning

The pump could be damaged if the engine is run for longer than 5 seconds.


17. Check the fluid level in the reservoir and top up as necessary. At 20°C it should be midway between the MAX and MIN marks.

18. Start the engine again and run it until the fluid in the reservoir stops bubbling. Use a torch to see properly.

An abnormally loud noise from the pump indicates that there is still some air in the system.

19. Stop the engine and check the fluid level. Top up as necessary.

20. Check the pump connections for leaks.