Engine Code Aew Audi A8 D2

To avoid noises and stresses in the exhaust system, the exhaust system should be aligned free of stress as follows

1. Loosen all exhaust system bolted connections (except exhaust manifold) including attaching parts for Three Way Catalytic Converters (TWC).

Note. While aligning the exhaust system, also be sure that hangers and other attaching parts are installed free of stress. The dimensions listed are reference dimensions. The exhaust system should be aligned when cold. Check alignment at various points, in the order shown.

Scheme 7

1. Check pre-load -a- at left retaining loop for rear silencer. Dimension -a- = approx. 10-12 mm (7/16 in.) Arrow points toward front of vehicle. see scheme 14: Checking Pre-Load At Left Retaining Loop For Rear Silencer (Engine Code AEW)