Front wheel hub
Front wheel hub |
To remove |
1. |
Raise the car. If a jack is used, the car must be supported on axle stands.
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2. |
Remove the wheel.
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3. |
Remove the protective cup from the wheel hub.
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4. |
Remove the hub centre-nut.
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5. |
Detach the brake hose from the clips.
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6. |
Press back the brake piston using slip-joint pliers.
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7. |
Remove the brake caliper and suspend it from the spring with suitable steel wire.
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8. |
Remove the brake disc lock screw and lift off the brake disc.
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9. |
Remove the wheel sensor.
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10. |
Remove the bolt securing the wishbone ball joint to the steering swivel member.
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11. |
Pull out the ball joint journal.
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12. |
Tap out the drive shaft from the hub and lift the hub and steering swivel member from the shaft.
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13. |
Remove the three hub bolts. Lift off the hub and the disc back-plate.
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To fit |
1. |
Clean the contact surfaces and fit the brake shield and hub with three bolts.
Tightening torque: 90 Nm +45° (66 lbf ft +45°) |
2. |
Fit the drive shaft to the hub.
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3. |
Fit the hub centre nut and pull the shaft in place using the nut.
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4. |
Fit the ball joint to the steering swivel member.
Tightening torque: 49 Nm (36 lbf ft) |
5. |
Put the brake disc in place and tighten its retaining bolt.
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6. |
Fit the wheel sensor.
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7. |
Fit the brake caliper. Apply
74 96 268 Thread locking adhesive
to the bolts.
Tightening torque: 140 Nm +45° (103 lbf ft +45°) |
8. |
Fit the brake hose into the attachment and fit the clip.
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9. |
Fit the clip to the wheel speed sensor cable.
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10. |
Fit the wheel with two wheel bolts. The centre emblem on aluminium rims must be removed before fitting the wheel.
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11. |
Lower the car so that wheels are on the ground.
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12. |
Tighten the hub centre-nut.
Tightening torque: 230 Nm (170 lbf ft) |
13. |
Raise the car and remove the wheel.
Fit the centre emblem. |
14. |
Fit the protective cup to the wheel hub.
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15. |
Fit the wheel. See
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) |
16. |
Depress the brake to press out the piston in the brake caliper.
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