Chain Length, Checking: Procedure
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-- Remove the front noise insulation. Refer to NOISE INSULATION .
-- Remove the plug -arrow-.
-- Turn the vibration damper in direction of engine rotation until the chain tensioner piston is extended the maximum distance in direction of -arrow-.
-- 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, 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 .