Timing Chain, Checking: Procedure

-- Remove the right front wheel housing liner. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

-- Remove the plug -arrow-. The plugs must be replaced.

Courtesy of AUDI OF AMERICA, LLC

Courtesy of AUDI OF AMERICA, LLC

-- Turn the crankshaft with :T40263  , :T40314  and a 24 mm socket only in the direction of engine rotation -arrow-.

-- Turn the crankshaft in direction of engine rotation until the chain tensioner piston is extended the maximum distance in the direction of -arrow-.

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-- Count the visible piston teeth.

TIP:

The visible teeth are all of the teeth that are located to the right of the chain tensioner housing -arrow-.

• If six or fewer splines are visible: the camshaft timing chain does not need to be replaced.
• If seven or more splines are visible: the camshaft timing chain must be replaced. Refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .