A4 Quattro Cabriolet V6-3.2L (BKH) (2007)
Air Door Actuator / Motor: All Technical Service Bulletins
A/C - Clicking/Ticking Noises From The Dash
87 08 04
2013390/3
December 5, 2008.
Supersedes Technical Service Bulletin Group 87 number 07-09 dated September 14, 2007 for reasons listed below.
Affected Vehicles
87 Clicking or ticking noises from HVAC actuator motors
Condition
Clicking or ticking noises heard in the dashboard area. In many cases these noises are only audible after cold start and during the time that the vehicle is
stationary and the cabin is quiet.
Technical Background
Noise source is generated by the HVAC flap actuator motors.
Production Solution
Improved flap actuator motors.
Service
1. Confirm the noises during a test drive.
2. Check which flap actuator motor of the HVAC system is causing the noise. Any of the following flap actuator motors may be affected: V70
Central Air Flap Motor, V107 Defroster Flap Motor, V158 Left Temperature Flap Motor,V159 Right Temperature Flap MotorV71 Air Flow Flap
Motor and V113 Recirculation Flap Motor.
3. Replace the motor(s) causing the noises.
Only improved flap actuator motors are available.