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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Engine Mechanical - 1.8L) >> Cylinder Block >> Assembly >> Piston

Cylinder Block: Assembly: Piston

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install new snap ring on one side of piston pin hole.
    Fig 1: Installing Snap Ring
    G02007713Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Heat piston to 60-70°C (140-158°F) and assemble piston, piston pin, connecting rod and new snap ring.
    • Align the direction of piston and connecting rod. 
    • Numbers stamped on connecting rod and cap correspond to each cylinder. 
    • After assembly, make sure connecting rod swings smoothly. 
      Fig 2: Identifying Marks On Piston & Connecting Rod
      G02007714Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Set piston rings as shown in Fig 3.
    CAUTION:
    • When piston rings are not replaced, make sure that piston rings are mounted in their original position.
    • Install new piston rings either side up if there is no punch mark.
      Fig 3: Identifying Piston Rings
      G02007715Courtesy of NISSAN MOTOR CO., U.S.A.
    • Align piston rings so that end gaps are positioned as shown in Fig 4.
      Fig 4: Positioning Piston Rings
      G02007716Courtesy of NISSAN MOTOR CO., U.S.A.