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Camshaft Timing Chain Guide Rail

The difference is of importance when removing the camshafts. The version of the guide rail for the camshaft timing chain is visible after removal of the upper timing chain cover.

GWWA15-12111Courtesy of AUDI OF AMERICA, LLC

A -  Version 1: Guide Rail -1- Long Version -arrow A- for 2.0L from Engine Build Date 07/30/2013

B -  Version 2: Guide Rail -2- Short Version -arrow B- for 2.0L through Engine Build Date 07/30/2013