Pull off chain guard; release retaining tabs, if necessary, through openings -arrows- using a small screwdriver.
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Set engine to TDC No. 1 cylinder.
Note
Check that there is a mark on balancer shaft chain sprocket which aligns with locking hole -arrow-. If there is no mark, mark position using a waterproof pen. The mark is required for reinstalling.
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Loosen bolt from oil pump chain sprocket; counterhold on centre bolt of vibration damper.
Caution
The balancer shaft drive chain sprocket must not be loosened!
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Relieve tension on chain guide using a screwdriver -arrow- and lock using a 3 mm Allen key -1-.
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Remove oil pump chain sprocket and detach chain from balancer shaft gear assembly.
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Remove baffle plate by removing bolts -1 and 2-.
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Unscrew balancer shaft module bolts from outside to inside and remove; assembly overview - oil pump with balancer shaft module → Chapter.