SAAB WIS ONLINE

Front-wheel bearings

Front-wheel bearings

To remove



1. Undo the hub centre-nut when the car is standing on all four wheels.

2. Raise the car. If a jack is used, the car must be supported on axle stands.

3. Remove the wheel.

4. Remove the hub centre-nut completely.

5. Push back the brake piston using adjustable pliers. Remove the brake caliper from the spindle housing and hang it on the spring with a piece of suitable steel wire.

6. Remove the brake disc retaining bolt and remove the brake disc.


7. Remove the ABS sensor retaining bolt and lift up the sensor.

8. Remove the nut on the new track rod end and remove the track rod using puller 89 96 696.


9. Unscrew the bolts securing the steering swivel member to the MacPherson strut and move aside the bracket for the ABS sensor cable and the brake hose.

10. Remove the bolt securing the steering swivel member ball joint to the steering swivel member.


11. Remove the bolts on the disc back-plate through the hole in the hub and remove the disc back-plate.


12. Remove the ABS sensor holder.

13. Tap out the drive shaft from the hub using a plastic hammer.

14. Remove the steering swivel member.


15. Press off the hub using tool 89 96 704 (KM-500-5).

16. Remove the circlip.


17. Press out the bearing using tool 89 96 704 (KM-500-2 and KM-500-3).



To fit



1. Lubricate the bearing surface on the steering swivel member with Molycote Rapid G and press in a new bearing using tool 89 96 704 (KM-500-4 and KM-500-5).

2. Fit the circlip with the opening pointing downwards.


3. Press on the hub using tool 89 96 704 (KM-500-3 and KM-500-5).


4. Fit the drive shaft in the hub and push it home with a new hub centre-nut.

Important

Always fit a new hub-centre nut if it has been removed because the clamping force of the lock indentations will be reduced if the old one is refitted.

Use a nut with top groove.


5. Fit the holder for the ABS sensor and disc back-plates.


6. Fit the steering swivel member ball-joint in the steering swivel member and the bolt securing the steering swivel member to the ball-joint. Fit the nut. Make sure that the bolt fits in the recess on the steering swivel member ball-joint.


7. Press the steering swivel member into the MacPherson strut and put in place the bracket for the ABS sensor cable and the brake hose. Tighten the bolts securing the steering swivel member to the MacPherson strut.

Tightening torque 100 Nm +45° (75 lbf ft +45°) .

8. Tighten the bolt securing the steering swivel member to the steering swivel member ball-joint.

Tightening torque 85 Nm (65 lbf ft)

9. Fit the track rod end to the steering swivel member and tighten the nut.

Tightening torque 60 Nm (45 lbf ft)

10. Fit the ABS sensor.


11. Fit the brake disc in place and tighten the brake disc retaining screw.

12. Make sure that the brake piston is pressed back in the cylinder and then fit the brake caliper using locking compound 74 96 268 on the bolts to the steering swivel member.


Tightening torque 110 Nm (80 lbf ft)

13. Fit the wheel, Wheels .

Tightening torques

aluminium rim 110 Nm (81 lbf ft)

pressed steel rim 50 Nm +2x90°, max. 110 Nm (37 lbf ft +2x90°, max. 81 lbf ft)

14. Lower the car and fit a new hub centre-nut when the car is standing on all four wheels.

Tightening torque 170 Nm +45° (126 lbf ft +45°).

15. Depress the brake pedal to press out the pistons in the brake calipers.