GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2010 🢒 Sierra - 2WD 🢒 Engine 🢒 Engine Mechanical - 6.6L 🢒 Upper Oil Pan Cleaning and Inspection

    Object Number: 663126 Size: SH
  1. Clean the upper oil pan.
  2. Carefully clean the sealer from the threaded holes.
  3. Inspect the upper oil pan for cracks.
  4. Inspect the upper oil pan sealing surfaces for damage.
  5. Replace the upper oil pan if any damage is found.