Trooper LTD V6-3165cc 3.2L SOHC MFI (6VD1) (1997)
Piston Ring: Testing and Inspection
NOTE: Any worn or damaged part discovered during engine overhaul must be replaced with a new one.
1. Ring end gap measurement
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Insert the piston ring into the bore.
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Push the ring by the piston, at a right angle to the wall, into the point at which the cylinder bore diameter is the smallest.
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Measure the ring end gap.
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Positioning mark is painted as shown in the illustration.
2. Measure the clearance between the piston ring groove and the piston ring with a feeler gauge. if the piston ring groove/piston ring clearance
exceeds the specified limit, the piston must be replaced.