Remove Both Timing Chains
- Remove the drive chain (1).
- Remove the timing chain (1).
- Remove the tensioning rail (2) from the bearing journal (3).NOTE: Do not disassemble the bearing journal (3).
- 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).
- 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.
- Loosen both bearing journals (1).
- Remove the guide rail (2).
- Loosen the bearing journals (4).
- Remove the tensioning rail (3).
- Loosen screw (1) and remove the camshaft sprocket (2).
- Unscrew the bolt (2) and remove the special tool 2 357 904.
- Remove the timing chain (1).