S5 Quattro Coupe V8-4.2L (CAUA) (2009)
Front Door Window Regulator: By Symptom
Body - Windows Knock/Click/Squeak When Operated
64 Window regulator noisy during operation
64 11 12
2022450/4
February 10, 2011.
Supersedes Technical Service Bulletin Group 64 number 10 - 11 dated December 6, 2010 for reasons listed below.
AFFECTED VEHICLES
CONDITION
During window regulator operation, various noises are heard by the customer. The noise could be a knock, click squeak, etc.
TECHNICAL BACKGROUND
Conflicting tolerances in the window regulator mechanism.
PRODUCTION SOLUTION
New supplier for window regulator mechanism.
Update the door control unit via SVM
1. Follow all instructions in the attached TSB 2011732 00 Software Version Management (SVM), operating instructions.
2. Update the door control unit using the SVM action code as necessary.
Driver's door: XCHG42A001
Passenger's door: XCHG52A001
3. Check operation of both window regulators.
4. Send feedback to update the SVM database.