Sidekick JS 2D Soft Top 2WD L4-1.6L (1997)
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Piston clearance: Measure cylinder bore diameter and piston diameter to find their difference which is piston clearance. Piston clearance should be
within specification as given below. If it is out of specification, rebore cylinder and use oversize piston.
Piston Clearance: 0.02 - 0.04 mm (0.0008 - 0.0015 inch)
NOTE: Cylinder bore diameters used here are measured in thrust direction at two positions.
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Ring groove clearance: Before checking, piston grooves must be clean, dry and free of carbon. Fit new piston ring into piston groove, and measure
clearance between ring and ring land by using thickness gauge. If clearance is out of specification, replace piston.
Ring Groove Clearance:
Top: 0.03 - 0.07 mm (0.0012 - 0.0027 inch)
2nd: 0.02 - 0.06 mm (0.0008 - 0.0023 inch)
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.
