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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