Mariner 4WD L4-2.5L (2010)
2. Lubricate the piston pin and pin bore with clean engine oil.
3. Install the piston pin in the piston and connecting rod assembly.
4. Install the piston pin retaining clips in the piston.
5. Lubricate the piston and the new piston rings with clean engine oil.
6. NOTE: The piston compression upper and lower ring should be installed with the paint mark on the outside diameter circumference of the ring to
be positioned on the right side of the ring gap. The lower compression ring can also be installed with the undercut side downward.
NOTE: The upper and lower compression ring gaps are not controlled for installation.
Install the piston rings onto the piston as shown.
1. Piston pin
2. Upper oil control ring gap location
3. Lower oil control ring gap location
4. Center line of the piston pin bore and the expander gap
