Timing Chain, Checking: Procedure

WARNING: This page is about a different car, the 2018 Audi Q3 Quattro, 2018 Audi Q3, 2017 Audi Q3 Quattro, and 2017 Audi Q3. However, it is still accessible from the selected car via links, so may be relevant.

Refer to OVERVIEW - CAMSHAFT TIMING CHAIN, ENGINE WITH TWO CAMSHAFT ADJUSTERS .

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

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Courtesy of AUDI OF AMERICA, LLC

CAUTION:

- Only let the engine turn in the direction of engine rotation.

-- 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 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 teeth are visible, the timing chain must not be replaced.
If six or fewer teeth are visible and there is an entry in the DTC memory: adjust the chain length using the : VAS5570 , 01 - Chain Length Adaptation Diagnosis and delete the DTC memory.
If seven or more teeth are visible: replace the camshaft timing chain. Refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .