GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Mechanical - 8.1L 🢒 Draining Fluids and Oil Filter Removal

    Object Number: 1554869 Size: SH
  1. Remove the oil pan drain plug (401) and O-ring (402).
  2. Drain the engine oil.

    3. Object Number: 1554844 Size: SH
  3. Remove the oil filter (435).
  4. Remove the left side engine block coolant drain hole plug (131) and the right side engine block coolant drain hole plug.
  5. Drain the engine coolant.