Patriot 4WD L4-2.4L (2009)
1. Install piston rings on piston See: Piston Ring/Service and Repair/Removal and Replacement/Piston Ring(s) - Installation.
2. Before installing pistons and connecting rod assemblies into the bore, be sure that top compression ring gap (1) and the second compression ring
gap (3) are staggered so that neither is in line with oil ring rail gap.
3. Before installing the ring compressor, make sure the oil ring expander ends are butted (1) and the rail gaps (2,4) located as shown above. As
viewed from the top of the piston.
4. Immerse the piston head and rings in clean engine oil, slide the ring compressor, over the piston. Be sure position of rings does not change
during this operation.
5. The directional arrow stamped on the piston should face toward the front of the engine.
6. Rotate crankshaft so that the connecting rod journal is on the center of the cylinder bore. Lubricate connecting rod journal with clean engine oil.
NOTE: There are three different size rod bearings, perform rod bearing selection procedure.
NOTE: The rod bearing sizes are indicated on the nose of the crankshaft.
