42. Piston, Connecting Rod, and Bearing Removal

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.





Note:
Note cylinder sequence.

3. Mark the connecting rod with the connecting rod bearing cover (1).





4. Remove the 4 connecting rod bearing caps bolts (2) of cylinder 1 and 4.

5. Remove the connecting rod bearing caps (1) and the connecting rod bearing (3).





6. Push the pistons 1 and 4 (1) out of the cylinder bore (2).

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.

7. Remove the pistons 1 and 4 (1).

8. Turn crankshaft on crankshaft balancer through 180° in direction of rotation of engine.





Note:
Note cylinder sequence.

9. Mark the connecting rod with the connecting rod bearing cover (1).





10. Remove the 4 connecting rod bearing caps bolts (2) of cylinder 2 and 3.

11. Remove the connecting rod bearing caps (1) and the connecting rod bearing (3).





12. Push the pistons 2 and 3 (1) out of the cylinder bore (2).

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.

13. Remove the pistons 2 and 3 (1).





Note:
Observe correct fitting position, observe alignment.

14. Remove the connecting rod bearing (1, 2).

15. Check the components. Refer to Piston, Connecting Rod, and Bearing Cleaning and Inspection 53. Piston, Connecting Rod, and Bearing Cleaning and Inspection.