Rear wheel hub (VIN: -X3025751)
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Rear wheel hub (VIN: -X3025751)
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1.
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Raise the car and remove the wheel.
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2.
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Press the brake pistons back using a pair of slip joint pliers.
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3.
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Remove the bolt securing the parking brake cable attachment.
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4.
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Undo the two brake caliper retaining bolts. Hang up the brake caliper by means of a cable tie.
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5.
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Back off the parking brake shoe adjustment. It is accessible through a hole in the brake disc.
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6.
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Remove the brake disc retaining bolt. Remove the brake disc.
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7.
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Unplug the ABS sensor connector.
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8.
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Remove the wheel hub's four retaining nuts.
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9.
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Remove the wheel hub from the disc back-plate and leave the disc back-plate and parking brake unit suspended from the wire.
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1.
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Clean the contact surfaces using a wire brush.
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2.
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Position the wheel hub on the back plate and secure both to the longitudinal link using new nuts. Tighten the nuts alternately.
Tightening torque: 50 Nm (40 lbf ft) +30°.
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3.
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Plug in the ABS sensor connector.
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4.
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Fit the brake disc on the hub, apply Loctite 242 part no. 74 96 268 to the lock screw and tighten the screw.
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5.
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Fit the brake caliper, applying Loctite 242 part no. 74 96 268 to the retaining bolts.
Tightening torque: 80 Nm (59 lbf ft)
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6.
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Fit the brake pipe bracket onto the longitudinal link.
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8.
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Fit the wheel. See
Wheels
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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)
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10.
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Depress the brake pedal to press out the pistons in the brake calipers.
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