Skylark L4-144 2.4L DOHC VIN T SFI (1997)
Piston Ring: Service and Repair
WARNING: Handle the piston carefully. Worn piston rings are sharp and may cause bodily injury.
REMOVAL
Disassemble the piston rings. Use a suitable tool in order to expand the rings. The piston rings must not be reused.
INSTALLATION
CAUTION: Use a piston ring expander to install the piston rings. The rings may be damaged if expanded more than necessary.
1. Install the following components of the oil control ring assembly (bottom ring):
a. The expander
b. The lower oil control ring
c. The upper control ring
2. Install the lower compression ring (second ring). Place the manufacturer's mark facing up.
3. Install the upper compression ring (top ring).
CAUTION: In order to provide and effective compression seal, the ring gaps must be staggered.
4. Assemble the lower and upper compression rings with the identification mark facing up. The top compression ring is made from ductile iron with a
molybdenum facing and phosphate coated sides. The second compression ring is grey iron. A mark is machined into the top of the second
compression ring.
