Allroad Quattro V8-4.2L (BAS) (2004)
Wheel Speed Sensor: Service and Repair
Rear ABS Wheel Speed Sensor Rotor (FWD), Removing and Installing
ABS wheel speed sensor rotor (FWD), removing and installing
Special tools and equipment
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80-200 pry lever
Removing
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Remove wheel bolts.
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Raise vehicle.
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Remove wheel.
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Remove bolts -A- and use wire to support brake caliper housing to body.
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Remove retainer for ABS wheel speed sensor.
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Pry ABS wheel speed sensor from wheel bearing/hub unit using 80 200 pry lever.
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Remove socket-head bolts from wheel bearing/hub unit and remove wheel bearing/hub unit with backing plate.
Installing
If ABS wheel speed sensor rotor is damaged or dirty, replace rotor together with wheel bearing/hub unit.
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Install new wheel bearing/hub unit and backing plate to axle beam and tighten to 60 Nm.
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Insert brake disc.
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Mount brake caliper to axle beam and tighten to 95 Nm.
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Install ABS wheel speed sensor.
Note installation position.
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Insert retrainer for ABS wheel speed sensor.