A4 Quattro Sedan V6-2.8L (ACK) (1997)
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Wheel Speed Sensor: Service and Repair
Front
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Raise vehicle.
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Remove wheel.
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Pull ABS wheel speed sensor out of wheel bearing housing.
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Examine rotor for signs of dirt and damage, working through ABS wheel speed sensor mounting hole in wheel bearing housing.
Note:
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If the rotor is dirty or damaged, remove the drive axle. If the rotor is damaged, replace the outer CV joint along with the rotor.
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The outer CV joint is supplied as a replacement part with the rotor.
