A4 Quattro Wagon L4-2.0L Turbo (BPG) (2005)
Vacuum Brake Booster: Customer Interest
Brakes - Brake Booster Vacuum Nipple Broken
47 08 05
2012843/3
November 4, 2008. Supersedes Technical Service Bulletin Group 48 number 08-01 dated January 4, 2008 for reasons listed below.
Vehicle Information
47 LDP vacuum line breaks at brake booster vacuum pipe
Condition
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MIL on.
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DTC P2404 (rationality check: reed sensor unable to open) stored in the ECM Data Memory.
This condition has no affect on brake system performance.
Technical Background
May be caused by a broken nipple on the brake booster vacuum line (Figure 1), which provides a vacuum supply for the leak detection pump.
Production Solution
Improved material of the affected part.
Service