Timing Chain, Checking: Procedure

-- Remove the noise insulation. Refer to NOISE INSULATION .

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

-- Remove the bolts -arrows-.

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-- Remove the air duct pipe by lifting the clip -2- and opening the screw-type clamp -3-.

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

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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-.

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-- Count the visible piston splines.

• If six or fewer threads are visible: adjust the chain length by selecting 01 - Chain Length Adaptation Diagnosis  in Guided Functions  on the vehicle diagnostic tester. Then erase the DTC memory.
• If seven or more threads are visible: replace the camshaft timing chain. Refer to CAMSHAFT, REMOVING AND INSTALLING .