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Home >> Jeep >> 1987 >> Cherokee Limited >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.0L 6-CYL - VIN [M] & 4.2L 6-CYL - VIN [C] >> Overhaul >> Piston & Rod Assembly >> Fitting Rings

Fitting Rings

Measure piston ring clearances as described in CYLINDER BLOCK in ENGINE OVERHAUL PROCEDURES article in this section. Install rings on piston with markings (indicating top of ring) pointed upward. See Fig 1. Install upper and lower rings with gaps positioned 180 degrees apart.

Fig 1: Ring Gap Positions & Markings Ring gaps can vary up to 20 degrees from positions illustrated. Courtesy of American Motors/Jeep Corp.
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