A5 Quattro Coupe (8T3) L4-2.0L Turbo (CAEB) (2011)
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Disc Brake System: Technical Service Bulletins
Brakes - Brake Pulsation Diagnostic Information
46 Brake pulsation diagnostic guidelines
46 10 01
2022584/1
January 27, 2010.
Supersedes Technical Service Bulletin Group 46 number 09-02 dated June 12, 2009 to add MY 2011.
Affected Vehicles
Condition
Brake pulsation.
Technical Background
Brake pulsation may be related to:
^ Rust buildup and/or brake pad marks on discs.
^
This may be due to moisture exposure or prolonged periods of the vehicle not being driven.
^
This may affect vehicles at PDI or those already delivered to customers.
^ Brake disc thickness variation.
^ Thermal distortion of brake discs.
^ Worn brake pads and discs.
^ Faulty suspension components (ball joints, tie rods, bushing, etc.).
^ Imbalance of wheels and tires.
Production Solution
--
Service
Diagnosis
^ Verify all complaints with a test drive.
