Tools Required

EN-46745 Piston Pin Retainer Remover and Installer

Important: Install the piston onto the connecting rod with the arrow oriented toward the front of the engine.

1. The cast boss (1), on the underside of the piston, must go to the rear of the block.



2. The cast mark (1), on the connecting rod, must go to the front of the block.



3. Assemble the connecting rod and the piston.




Notice: Install the piston pin retainers correctly in the retaining groove during assembly in order to avoid engine damage.

4. Use the following procedure in order to assemble the piston pin and the retainer:

4.1.	Coat the piston pin with oil.

4.2.	Install one side of one piston pin retainer into the retaining groove using the EN-46745 . Rotate the retainer until it is fully seated in the groove, use insertion tool.

4.3.	Install the connecting rod and the piston pin.

Push the piston pin until it bottoms in the previously installed retainer.

4.4.	Install the second piston pin retainer, using the EN-46745 .

4.5.	Ensure that the piston moves freely.





Notice: Use a piston ring expander to install the piston rings. The rings may be damaged if expanded more than necessary.

5. Install the following components of the oil control ring assembly (bottom ring):

5.1.	The expander

5.2.	The lower oil control ring

5.3.	The upper control ring

6. Install the lower compression ring (second ring). Place the manufacturer's mark facing up.
7. Install the upper compression ring (top ring).

Tools Required

J 43654 Piston Pin Clip Installer

Important: Install the piston onto the connecting rod with the arrow oriented toward the front of the engine.

1. Assemble the connecting rod and the piston.




Notice: Install the piston pin retainers correctly in the retaining groove during assembly in order to avoid engine damage.

2. Use the following procedure in order to assemble the piston pin and the retainer:

2.1.	Coat the piston pin with oil.

2.2.	Using the J 43654 , install one side of one piston pin retainer into the retaining groove. Rotate the retainer until it is fully seated in the groove.

2.3.	Install the connecting rod and the piston pin. Push the piston pin until it bottoms in the previously installed retainer.

2.4.	Install the second piston pin retainer using an insertion tool.

2.5.	Ensure that the piston moves freely.





Notice: Use a piston ring expander to install the piston rings. The rings may be damaged if expanded more than necessary.

3. Install the following components of the oil control ring assembly (bottom ring):

3.1.

Expander

3.2.	Lower oil control ring

3.3.	Upper control ring

4. Install the lower compression ring (second ring). Place the manufacturer's mark facing up.
5. Install the upper compression ring (top ring).