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Home >> Jeep >> 1988 >> Comanche Eliminator, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.0L 6-CYL - VIN [M] & 4.2L 6-CYL - VIN [C] >> Removal & Installation >> Piston & Rod >> Installation

Piston & Rod: Installation

  1. Ensure ring end gap and side clearance are within specification. See ENGINE SPECIFICATIONS  tables. Install rings on piston. Position ring end gaps at specified areas. See Fig 1. Ring gaps may vary 20 degrees from positions illustrated.
    Fig 1: Positioning Piston Ring Gaps
    G91242Courtesy of CHRYSLER MOTORS
  2. Lubricate piston assembly and cylinder block. Install piston assembly. Arrows on top of piston must face toward front of engine and connecting rod oil squirt hole should face camshaft side of engine.
  3. Install bearings. Check oil clearance and connecting rod side play clearance. Reverse removal procedure for remaining components. Tighten bolts to specification.