Sidekick JSS 4D Hard Top 2WD L4-1.8L (1997)
Piston Pin
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Check piston pin, connecting rod small end bore and piston bore for wear or damage, paying particular attention to condition of small end bore
bush. If pin, connecting rod small end bore or piston bore is badly worn or damaged, replace pin, connecting rod or piston.
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Piston pin clearance: Check piston pin clearance in small end. Replace connecting rod if its small end is badly worn or damaged or if measured
clearance exceeds limit.
Piston Clearance In Small End:
Standard: 0.003 - 0.014 mm (0.0001 - 0.0005 inch).
Small-End Bore: 21.003 - 21.011 mm (0.8269 - 0.8272 inch).
Piston Pin Diameter: 20.997 - 21.000 mm (0.8267 - 0.8267 inch).
Piston Rings
To measure end gap, insert piston ring into cylinder bore and then measure the gap by using thickness gauge. If measure gap is out of specification,
replace ring.
NOTE: Clean carbon and any other dirt from top of cylinder bore before inserting piston ring.
Piston Ring End Gap:
Top Ring:
Standard: 0.20 - 0.35 mm (0.0079 - 0.0137 inch).
Limit: 0.7 mm (0.0276 inch).
2nd Ring:
Standard: 0.35 - 0.50 mm (0.0138 - 0.0196 inch).
Limit: 0.7 mm (0.0276 inch).
