SAAB WIS ONLINE

Drive clutch, hydraulic unit

Drive clutch, hydraulic unit

Removing


1. Operate the hood to the open position to increase the light and make working easier.


Note

This task can be performed with the hood closed.


If it is not possible to operate the soft top via the electric controls proceed as follows:

1.a. Release the rear seat backrest and fold it forward.

1.b. Remove the cover over the emergency valve and open the valve approx. one half turn (A) .

1.c. Unlock the soft top from the windscreen frame.

1.d. Activate the fifth bow lock using the diagnostic tool set to UNLOCK and fold up the fifth bow.

1.e. Push the wheel bolt tool through the hole in the covering on the right-hand side of the luggage compartment and into the link arm of the operating mechanism (B) .

1.f. Unlock the soft top cover by pulling the tool backwards until the soft top cover lifts up a few centimetres (C) .

1.g. Remove the tool, close the boot lid and open the soft top cover.

1.h. Carefully fold down the soft top.

Warning

There is a pinch hazard and danger of crushing if you let go of the soft top in the half-open position (when vertical). It will fall backwards or forwards, depending on its centre of gravity.


1.i. Close the soft top cover.

2. Release the rear seat backrest and fold it forward.

3. Remove the cover from the hydraulic unit.


4. Fold aside the luggage compartment mat and unscrew the hydraulic unit mounting bolts.

5. Lift up the hydraulic unit and unplug the connectors. Loosen the holders for the hydraulic hoses to make it easier to lift the unit.

6. Open the emergency valve. Unscrew the reservoir oil plug and then retighten it to even out the pressure.

Note

This prevents unnecessary oil spill when hydraulic unit components are replaced.


7. Place rags under the hydraulic unit it turn it so that the oil reservoir points down and the electric motor points up.

Important

It is very important that the unit remains in this position throughout the replacement operation.


8. Remove the two screws of the electric motor.

Note

Screws should always be replaced.



9. Remove the electric motor from the hydraulic unit by lifting it out. Oil may be spilled when the electric motor is removed.

10. Remove the drive clutch from the electric motor.


11. Remove the metal clip if it is still on the pump housing. The metal clip will not be used again.

Important

The hydraulic unit can be damaged if the metal clip is left in place.



Fitting


1. Fit the new drive clutch to the electric motor. The drive clutch only fits in one position. Press the drive clutch down on the electric motor shaft.


2. Fit the pump housing with a new O-ring. Lubricate the O-ring with hydraulic oil.


3. Fit the electric motor. The pin in the pump housing should pass between the drive clutch flanges.


4. Fit new screws on the electric motor.

5. Turn the unit horizontal with the filler hole up and check the oil level. If needed, top up with new oil to the MAX mark.

6. Refit the plug.

7. Plug in the connectors to the hydraulic unit. Lift the hydraulic unit back into place.


8. Close the emergency valve. Operate the soft top with the ROOF button a few times.

9. Manoeuvre the soft-top to the up (closed) position.

10. Check the oil level by turning the hydraulic unit until the oil plug is pointing straight upwards.

Check that the oil level is between the two marks.


11. Clean up any oil spills.

12. Fit the hydraulic hose holders. Fit the hydraulic unit in the torsion box.

13. Re-position the luggage compartment mat and fit the cover.

Important

Check that the emergency operation valve is completely closed.


14. Connect the diagnostics tool and erase any DTCs. See Tech 2 menu structure .

15. Manoeuvre the soft-top up and down through 5 complete cycles. Check for correct operation and any DTCs.

16. Fold back the rear seat backrest.