Remove Both Timing Chains

Remove the drive chain (1).

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Remove the timing chain (1).
Remove the tensioning rail (2) from the bearing journal (3).
NOTE: Do not disassemble the bearing journal (3).

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Position the special tool 2 357 904 on the guide pin (arrow) of the crankshaft and secure it with the bolt (2) on the crankcase.
Slacken the screw (1).

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Carefully press in the chain tensioner piston (3) to the stop using a screwdriver (2) and secure with the special tool 0 491 012 (11 4 120).
Unscrew the bolts (1) and carefully remove the chain tensioner.

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Loosen both bearing journals (1).
Remove the guide rail (2).
Loosen the bearing journals (4).
Remove the tensioning rail (3).

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Loosen screw (1) and remove the camshaft sprocket (2).

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Unscrew the bolt (2) and remove the special tool 2 357 904.
Remove the timing chain (1).

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