audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Customer Interest for Fuel Return Line:|201008|Page 4973 > < Intake Manifold, Lower Section, with Fuel Rail Assembly Overview|Page 4967
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Fuel Return Line: Customer Interest
Body/Fuel System - Underbody Rattling Noises

20 Buzzing or rattling noise from under vehicle

20 10 08 

2021182/2 

September 22, 2010. 

Supersedes Technical Service Bulletin Group 20 number 09-05 dated July 24, 2009 for reasons listed below.

AFFECTED VEHICLES

CONDITION

Customer may report a rattling or buzzing noise from rear floor area of vehicle. Noise occurs around 1,800 - 2,500 RPM.

TECHNICAL BACKGROUND

Black fuel line has come out of channel on top of fuel tank and contacts floor pan of vehicle.

PRODUCTION SOLUTION

Improvement in installation.

SERVICE

Customer Interest for Fuel Return Line:|201008|Page 4973 > < Intake Manifold, Lower Section, with Fuel Rail Assembly Overview|Page 4967