GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Mechanical - 6.6L 🢒 Piston Oil Cooling Nozzle Cleaning and Inspection

    Object Number: 663592 Size: SH
  1. Inspect the piston oil cooling nozzle for damage.
  2. Replace the piston oil cooling nozzle if any damage is found.