SW2 L4-1.9L DOHC VIN 7 (1997)
4. Inspect piston ring end gap:
a. Insert the piston ring into the cylinder bore.
b. Using a piston, push the piston ring a little beyond the bottom of the ring travel (100 mm [3.94 inch]) from the top surface of the cylinder
sleeve or block.
c. Using a feeler gauge measure the end gap.
Standard End Gap:
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Standard: No. 1 Ring: 0.250-0.400 mm (0.0098-0.0157 inch).
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Service Limit: No. 1 Ring: 0.500 mm (0.0197 inch) max.
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Standard: No. 2 Ring: 0.250-0.500 mm (0.0098-0.0197 inch).
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Service Limit: No. 2 Ring: 0.600 mm (0.0236 inch) max.
Oil Ring (Side Rail):
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Standard: 0.250-1.25 mm (0.0098-0.0492 inch).
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Service Limit: 1.400 mm (0.0551 inch) max.
If the gap is greater than maximum, replace the piston ring.
5. Check piston pin bore diameter and pin diameter.
Pin Diameter:
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Standard: 19.496-19.500 mm (0.7676-0.7677 inch).
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Service Limit: 19.496 mm (0.7676 inch) min.
Piston Pin Bore Diameter:
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Standard: 19.502-19.507 mm (0.7678-0.7680 inch).
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Service Limit: 19.507 mm (0.7680 inch) max.
Oil Clearance:
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Standard: 0.002-0.011 mm (0.0001-0.0004 inch).
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Service Limit: 0.011 mm (0.0004 inch) max.
Oil the pin and push it into the piston with your thumb. The pin must rotate freely when centered in the piston pin bore.
