GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 CTS - RHD 🢒 Engine 🢒 Engine Mechanical - 2.6L and 3.2L 🢒 Oil Pump Assemble

    Object Number: 788820 Size: SH
  1. Install the oil pump drive and driven rotor.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the oil pump cover and bolts.

    3. Tighten
    Tighten the oil pump cover bolts to 8 N·m (71 lb in).


    Object Number: 788814 Size: SH
  3. Install the oil pressure relief valve, spring, seal and plug.

    4. Object Number: 788812 Size: SH
  4. Install the oil pressure regulator spring, valve and plug.