Chain Length, Checking

WARNING: This page is about a different car, the 2022 Audi SQ5, 2022 Audi Q5 e, 2022 Audi Q5, and 2021 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

Procedure

-- Remove the noise insulation (front). Refer to OVERVIEW - NOISE INSULATION .

-- Remove the plug -arrow-.

Fig 1: Identifying Plug

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

Fig 2: Identifying Vibration Damper

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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 Vehicle Diagnostic Tester, 0001 - Chain Length Adaptation Diagnosis and delete the DTC memory.
If seven or more teeth are visible: replace the camshaft timing chain.

Tightening Specifications

Refer to OVERVIEW - NOISE INSULATION .