General Procedures: Activation
- Some variation in the illustrations may occur, but the essential information is always correct.
- RH illustration shown, LH is similar.
- It is not necessary to carry out the parking brake shoe 'bedding-in procedure' if the rear brake discs or parking brake shoes have been removed for access to other components.
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CAUTION: Do not turn the ignition on when the parking brake service mode has been set, this will result in the parking brake being released from the service mode.
- Enter the parking brake into the service mode.
- Apply, and hold, the footbrake.
- Apply, and hold, the parking brake switch to the RELEASE position.
- Turn the ignition off.
- Release the footbrake.
- Release the parking brake switch.
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WARNING: Make sure to support the vehicle with axle stands.
Raise rear of vehicle.
- Remove the road wheel.
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CAUTION: The brake pad wear indicator sensor is easily damaged. Do not use a lever to remove the sensor. Use fingers only.
RH side rear only: Disconnect the brake pad wear indicator sensor lead.
Remove the 2 bolts securing the brake caliper to the hub. Release the caliper from the hub and tie aside.
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NOTE: Some variation in the illustrations may occur, but the essential information is always correct.
At 4 points around the disc, measure disc thickness using a micrometer; renew disc if less than service limit or if variation is exceeded: Disc thickness, NEW = 20 mm Service limit = 18 mm. Thickness variation maximum = 0.01 mm.
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NOTE: Some variation in the illustrations may occur, but the essential information is always correct.
Mount a Dial Test Indicator (DTI) to and secure to inboard side of hub using caliper assembly upper bolt hole.
- Position DTI probe 5 mm in from outer edge of disc.
- Install the road the wheel.
- Zero DTI and rotate wheel one complete revolution to measure disc runout. Disc runout must not exceed 0.09 mm (0.003 in).
- If disc runout is outside limits:
- Remove the road the wheel.
- Remove Allen screw securing brake disc to drive flange.
- Remove brake disc.
- Make sure the mating surfaces of disc and drive flange are clean.
- Fit disc to flange, fit Allen screw and tighten to 16 Nm (12 lbf.ft).
- Install the road the wheel.
- Check disc runout as detailed above.
- If runout is still outside limits, remove the road wheel.
- Remove Allen screw securing brake disc to drive flange.
- Remove the brake disc.
Using special tool (100-053) mount a Dial Test Indicator (DTI) to and secure to the backplate using the upper backplate fixing.
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CAUTION: Make sure the DTI is positioned clear of the wheel studs.
Position the DTI probe on the outer edge of the hub face.
- If the hub runout exceeds the limit replace the hub
Refer to: SPECIFICATIONS
- Remove the DTI.
Install the brake caliper anchor bolts and tighten the bolts to 35 Nm.
- Install the road the wheel.
- Depress brake pedal several times to set brake pads.
- Remove stands and lower vehicle.