Rear-wheel sensors
Rear-wheel sensors |
1. |
Raise the car and remove the wheel.
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2. |
Press the brake pistons back, using a pair of slip-joint pliers.
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3. |
Remove the brake caliper's two retaining bolts. Remove the brake pipe from the clips. Use a cable tie to hang the brake caliper up out of the way.
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4. |
Back off the adjustment for the handbrake shoes (accessible through a hole in the brake disc).
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5. |
Remove the lever return spring.
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6. |
Detach the handbrake cable from the lever.
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7. |
Remove the brake disc retaining bolts and take off the brake disc.
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8. |
Separate the wheel sensor connector.
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9. |
Remove the four wheel-hub nuts.
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10. |
Remove the wheel hub, back-plate and spacer.
Separate the wheel hub from the back-plate. |
To fit |
1. |
Clean the contact surfaces using a wire brush.
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2. |
Fit the back-plate, spacer and wheel hub using new nuts.
Tightening torque 50 Nm +30 (37 lbf ft +30) |
3. |
Fit the brake disc on the hub and tighten the retaining bolt, using a torque wrench and threadlocking adhesive.
Tightening torque 10 Nm (7 lbf ft) |
4. |
Connect the handbrake cable to the lever.
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5. |
Fit the return spring on the lever and plug the connector into the wheel sensor.
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6. |
Fit the brake caliper and tighten the retaining screws using thread locking compound (Loctite 242, part no 74 96 268).
Tightening torque: 80 Nm (59 lbf ft) |
7. |
Press the brake pipe securely in the clips.
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8. |
Using a screwdriver, unscrew the adjuster until the brake disc is blocked.
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9. |
Then screw the adjuster back until the brake disc can rotate freely.
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10. |
Fit the wheel, see
Wheels.
. Lower the car.
Tightening torque 110 Nm (81 lbf ft) |
11. |
Depress the brake pedal to press out the brake pads.
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