GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Holden 🢒 2009 🢒 WM Sedan 🢒 Engine 🢒 Engine Mechanical - 2.8L, 3.0L, 3.2L, or 3.6L 🢒 Oil Pump Assemble

    Object Number: 1960772 Size: SH

    Important: 

       • There are no serviceable components within the oil pump. Disassemble the pump only to diagnose an oiling concern. A disassembled oil pump must be replaced. DO NOT reuse a disassembled oil pump or a serviceable oil pump with a primary camshaft drive chain lower guide that needs to be replaced.
       • The primary camshaft drive chain lower guide is not a serviceable component. If the primary camshaft drive chain lower guide must be replaced, the oil pump must be replaced.

  1. The dimpled surface must be face-up in the pump body.

    2. Object Number: 1960773 Size: SH
  2. Install the inner oil pump drive gear (1) and the outer oil pump driven gear (2) in the pump cover in the same orientation as removed.

    3. Object Number: 1960774 Size: SH
  3. Install the oil pump cover (2) to the oil pump housing (3).

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the oil pump cover to oil pump housing retaining bolts (1).

    5. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 1960762 Size: SH

    Important: The primary camshaft drive chain lower guide is not a serviceable component. If the primary camshaft drive chain lower guide is to be reused, the primary camshaft drive chain lower guide is not to be removed from the oil pump cover. If the primary camshaft drive chain lower guide must be replaced, the oil pump must be replaced.

  5. Install the primary camshaft drive chain lower guide (2).
  6. Install the primary camshaft drive chain lower guide to oil pump retaining bolts (1).

    7. Tighten
    Tighten the bolts to 13 N·m (115 lb in).