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Piston and Piston Pin Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Piston Pin
    GM1210818Courtesy of GENERAL MOTORS CORP.
    NOTE: The piston is directional and must be installed in the engine block in the proper direction. The dot on the top of the piston must face the front of the engine.
  1. Lubricate the piston pin bores in the piston and the connecting rod with GM prelube lubricant GM P/N 1052367 (Canadian P/N 992869) or equivalent.
  2. Assemble the piston and piston pin to the connecting rod. Properly orient the piston when reusing a marked connecting rod.
  3. Align the piston pin bore with the connecting rod pin bore.
  4. Slide the piston pin into the piston and the connecting rod.
    5. Fig 2: Identifying Piston Pin Retainers Removal Access Notch
    GM1210796Courtesy of GENERAL MOTORS CORP.
    NOTE: New piston pin retainers must be used. Never reuse the piston pin retainers.
  5. Install NEW piston pin retainers using the EN-46745:  remover/installer. Align the EN-46745:  remover/installer to the notch (1) in the piston.
  6. Ensure that the piston pin retainers are fully seated in their grooves.
  7. Repeat these procedures for the remaining pistons.
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