Prelude Type-SH L4-2157cc 2.2L DOHC H22A4 (VTEC) 16V (1998)
1. Using a ring expander, remove the old piston rings.
2. Clean all ring grooves thoroughly.
NOTE:
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Use a squared-off broken ring or ring groove cleaner with a blade to fit the piston grooves.
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The top and 2nd ring grooves are 1.2 mm (0.05 inch) wide. The oil ring groove is 2.8 mm (0.11 inch) wide.
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File down a blade if necessary.
CAUTION: Do not use a wire brush to clean the ring grooves, or cut the ring grooves deeper with cleaning tools.
NOTE: If the piston is to be separated from the connecting rod, do not install new rings yet.
3. Install new rings in the proper sequence and position.
NOTE: Do not use old piston rings.
RING-TO-GROOVE CLEARANCE
After installing a new set of rings, measure the ring-to-groove clearances:
Top Ring Clearance:
Standard (New): 0.055 - 0.085 mm (0.0022 - 0.0033 inch)
Service Limit: 0.13 mm (0.005 inch)