Installing the flywheel

• Clean all the screw threads (1).

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• Use set of special tools 2 285 058. 

  Description
  Twist drill
  Thread cutter M12x1.5
  Deep stop
  Screw in tool

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• Assemble tool set.

  Number	Description
  1	Tool holder
  2	Thread cutter M12X1.5

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• Mark screwing depth (A) on the thread cutter (1) from the special tool set 2 285 058  with a commercially available tool (2).
  TECHNICAL DATA - SCREW-IN DEPTH SPECIFICATION
  
  

  Screw-in depth of thread cutter
  Screw-in depth	18 mm

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  NOTE: To provide a better overview: Shown with engine removed.
• Screw in the thread cutter (1) from the set of special tools 2 285 058  in arrow direction up to the screw-in depth (2).
  TECHNICAL DATA - SCREW-IN DEPTH SPECIFICATION
  
  

  Screw-in depth of thread cutter
  Screw-in depth	18 mm

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• Make sure that the thread cutter is (1 ) not  pressed up against the timing chain (3).
  NOTE: TECHNICAL INFORMATION 
  Handle the timing chain carefully  to protect the timing chain and timing chain drive from damage.
• Make sure that the screw-in depth (2) of the screw tap (1) is not exceeded.

  The thread cutter (1) must not come into contact with the timing chain (3).

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• Note the installation position of the magnet wheel (1).
• Position the magnet wheel (1) on the crankshaft.

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• Replace screws (1) to (8).

  Parts:  Screws

• Position the flywheel (B).
• Screw in flywheel bolt (1) to (8) by hand.
• Set flywheel (B) with the special tool 0 494 034 (11 9 261)  and screw tight with the special tool 0 494 130 (11 9 264). 
• Make sure that the tightening sequence takes place from the dowel pin (A).
• Tighten the flywheel bolts in the sequence (1) to (8) (note the angle of rotation in the next step).
  Fig 1: Flywheel Screws Tightening Sequence

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  TIGHTENING TORQUES SPECIFICATION
  
  

  Flywheel to crankshaft
  M 12x1.5 Replace screws.	Tightening torque  Angle of rotation	45 Nm 45°

• Apply all flywheel bolts (1) with an angle of rotation of 45° with the help of the special tool 0 490 504 (00 9 120). 
  NOTE: Mark all flywheel bolts (1) with a vertical line.
• Remove special tool 0 493 938 (11 9 260). 

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Follow-up work 

• Refer to INSTALLING AUTOMATIC TRANSMISSION (ALL-WHEEL DRIVE VEHICLE) (GA8HP51Z) .
• Refer to INSTALLING STARTER MOTOR
• Refer to INSTALL THE ACOUSTIC COVER FOR THE OIL SUMP .
• Refer to FASTENING THE PROP SHAFT (PARTIALLY REMOVED)
• Refer to INSTALL THE RETAINING PLATES .
• Refer to INSTALLING THE HEAT SHIELDS
• Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
• Refer to IF INSTALLED: INSTALL THE TORSION STRUT ON THE RIGHT, AND ON THE LEFT WHERE REQUIRED .
• Refer to INSTALL THE CONNECTING SUPPORTS ON THE TUNNEL .
• Refer to INSTALL FAN COWL .
• Refer to INSTALL THE REAR TOP CROSS CONNECTION .
• Refer to INSTALL FRONT CROSS CONNECTION .
• Refer to INSTALLING BOTH FRONT-END STRUTS
• Refer to INSTALLING THE COVER ON THE LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP
• Refer to CONNECTING NEGATIVE BATTERY CABLE .
• Refer to ACTIVATING THE 48 V ELECTRICAL SYSTEM .
• Refer to CHECKING/TOPPING UP THE OIL LEVEL IN THE AUTOMATIC TRANSMISSION .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALL THE THRUST FIELD .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
• Refer to INSTALL REAR UNDERBODY PROTECTION .
• Refer to INSTALL THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to TAKE HOOD OUT OF THE SERVICE POSITION .