GM Service Manual Online
For 1990-2009 cars only

    Warning: Refer to Cleaning Solvent Warning in the Preface section.


    Object Number: 1578564  Size: SH
  1. Clean the piston oil nozzle in cleaning solvent using GM P/N 10953463 (Canadian P/N 88901148) or equivalent.
  2. Warning: Wear safety glasses in order to avoid eye damage.

  3. Dry the nozzle with compressed air.
  4. Inspect the piston oil nozzle for the following:
  5. • For cracks or damage
    • Plugged oil passages (1)
    • Bent, misaligned, or cracked oil nozzle tubes (2)
    • Bent or broken clip (3)