TT Quattro Coupe L4-1.8L Turbo (AWP) (2001)
Wheel Speed Sensor: Testing and Inspection
Front
Rotor, checking
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Remove wheel.
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Rotate disc brake and check rotor for damage or dirt.
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If rotor is damaged, remove and replace wheel hub with rotor.
Checking rotor lateral run-out
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Turn wheel hub and check that gap -a- between rotor and speed sensor Is uniform.
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Distance a = 0.3 mm
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If lateral run-out is out of tolerance, remove and replace wheel hub with rotor.