GM Service Manual Online
For 1990-2009 cars only

    Object Number: 217427  Size: SH
  1. Perform the following steps to assemble the piston to the connecting rod:
  2. 1.1. The arrow on top of the piston must point toward the front of the engine.
    1.2. The bumps on the connecting rod must face towards the flywheel.
    1.3. Install the piston pin.
    1.4. Install the piston pin retaining clips to the piston.

    Object Number: 217425  Size: SH
  3. Perform the following steps to install the piston rings:
  4. 2.1. Align the number one compression ring gap at 6 o'clock (1).
    2.2. Align the number two compression ring gap at 12 o'clock (2).
    2.3. Align the upper oil control ring gap at 1 o'clock (3).
    2.4. Align the oil control ring spacer gap at the 9 o'clock (4).
    2.5. Align the lower oil control ring gap at the 5 o'clock (5).