Jeep Workshop Service and Repair Manuals

Piston Ring: Specifications

PISTON RINGS

Ring Gap:
Top Compression Ring...................................................................................................................................................0.15 - 0.30 mm (0.0059 - 0.0118 in.)
Wear Limit..................................................................................................................................................................................................0.8 mm (0.031 in.)

2nd Compression Ring....................................................................................................................................................0.30 - 0.45 mm (0.0118 - 0.0177 in.)
Wear Limit..................................................................................................................................................................................................0.8 mm (0.031 in.)

Oil Control Steel Rails....................................................................................................................................................0.20 - 0.70 mm (0.0079 - 0.0276 in.)
Wear Limit..................................................................................................................................................................................................1.0 mm (0.039 in.)

Ring Side Clearance:
Compression Rings.........................................................................................................................................................0.03 - 0.07 mm (0.1182 - 0.0028 in.)
Wear Limit................................................................................................................................................................................................0.10 mm (0.004 in.)

Oil Ring Pack..................................................................................................................................................................0.06 - 0.15 mm (0.0024 - 0.0059 in.)