GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Holden 🢒 2008 🢒 Lumina Ute 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Engine Block Disassemble

    Object Number: 1950970 Size: SH
  1. Remove the right hand engine block coolant drain plug (1).

    2. Object Number: 1950972 Size: SH
  2. Remove the two oil gallery plugs (1 and 2) from the left hand side of the cylinder block.
  3. Remove the coolant drain hole plug (3) from the left hand side of the engine block.

    4. Object Number: 1950974 Size: SH
  4. Remove the engine block rear oil gallery plug (1).
  5. Inspect the O-ring seal of the rear oil gallery plug.

    6. If the O-ring seal is not cut or damaged, the plug and O-ring seal may be used during assembly.


    Object Number: 1950977 Size: SH

    Important: Remove the front oil gallery plug only if service is required. If the front oil gallery plug is removed, a NEW oil gallery plug must be installed.

  6. Remove the engine block front oil gallery plug (1).

    7. Object Number: 1950978 Size: SH
  7. Remove the knock sensor to cylinder block retaining bolts (1).
  8. Remove the knock sensors (2).

    9. Object Number: 1950924 Size: SH
  9. Remove the locating sleeves (2) from the cylinder block  (1).