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Piston and Connecting Rod Assemble

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Coat the piston pin with oil.
  2. Install one piston pin retainer into the retaining groove.
  3. Install the connecting rod and piston pin. The connecting rod can be installed in either direction. Push the piston pin in until it bottoms against the installed piston pin retainer.
  4. Install the second piston pin retainer.
  5. Ensure the piston pin moves freely.
    Fig 1: Piston Pin, Retainer & Connecting Rod
    G01703598Courtesy of GENERAL MOTORS CORP.
    NOTE: Use a piston ring expander to install the piston rings. The rings may be damaged if expanded more than necessary.

    Important:  To provide an effective compression seal, the ring gaps must be staggered.

  6. Install the following components of the bottom ring assembly (oil control ring):
    1. 6.1. The expander
    2. 6.2. The lower oil control ring
    3. 6.3. The upper oil control ring
      Fig 2: Piston Ring Expander
      G01703599Courtesy of GENERAL MOTORS CORP.
  7. Install the middle ring (compression ring) with the manufacturer's mark facing up.
  8. Install the top ring (compression ring).
    Fig 3: Install Middle & Top Rings
    G01703600Courtesy of GENERAL MOTORS CORP.
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