Piston Ring(s) - Installation

INSTALLATION






NOTE: Typical piston shown.

1. If required, fit new rings to the piston Procedures.

CAUTION: To avoid damage to the piston rings, they must be installed in the following order:
- Oil control ring expander (4)
- Oil control ring (3)
- No. 2 (intermediate) piston ring (2)
- No. 1 (upper) piston ring (1)






NOTE: Typical piston shown. Do not use a piston ring expander to install the oil control ring (1).

2. Install the oil control ring expander.
3. Install the oil control ring (1) over the ring expander.






NOTE: Typical piston shown. The No. 1 (upper) piston ring (1) and No. 2 (intermediate) piston ring (3) have a different cross section thickness. Install the rings with manufacturers I.D. mark (dot) (2) facing up, towards the top of the piston.







NOTE: Typical piston shown.

4. Install the No. 2 (intermediate) piston ring using a ring expander tool.
5. Install the No. 1 (upper) piston ring using a ring expander tool.
6. Rotate the rings around the piston, the rings must rotate in the grooves without binding.





7. Position the piston ring end gaps as follows:
- Oil control ring expander gap (5)
- Oil control ring end gap (2)
- No. 2 (intermediate) ring end gap (4)
- No. 1 (upper) ring end gap (1)

8. Install the piston and connecting rod(s) Piston And Connecting Rod - Installation.