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Piston, Connecting Rod, and Bearing Removal

  1. Install the crankshaft balancer bolt.
  2. Set the pistons 1 and 4 to TDC in direction of engine rotation.

  3. 1948709

    Note: Note cylinder sequence.

  4. Mark the connecting rod with the big end bearing cover (1).

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  6. Remove the 4 connecting rod bearing caps bolts (2) of cylinder 1 and 4.
  7. Remove the big end bearing caps (1) and the big end bearing (3).

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  9. Push the pistons 1 and 4 (1) out of the cylinder bore (2).
  10. Note: The shear surfaces of the con-rod and the con-rod bearing cover form a unique fit and must not be swapped or damaged. Do not lay down on the shear surfaces.

  11. Remove the pistons 1 and 4 (1).
  12. Turn crankshaft on crankshaft balancer through 180° in direction of rotation of engine.

  13. 1948709

    Note: Note cylinder sequence.

  14. Mark the connecting rod with the big end bearing cover (1).

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  16. Remove the 4 connecting rod bearing caps bolts (2) of cylinder 2 and 3.
  17. Remove the big end bearing caps (1) and the big end bearing (3).

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  19. Push the pistons 2 and 3 (1) out of the cylinder bore (2).
  20. Note: The shear surfaces of the con-rod and the con-rod bearing cover form a unique fit and must not be swapped or damaged. Do not lay down on the shear surfaces.

  21. Remove the pistons 2 and 3 (1).

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    Note: Observe correct fitting position, observe alignment.

  23. Remove the big end bearing (1, 2).
  24. Check the components. Refer to Piston, Connecting Rod, and Bearing Cleaning and Inspection .
   


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