GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Cutlass 🢒 Engine 🢒 Engine Mechanical - 3.1L 🢒 Oil Pump Replacement

Removal Procedure
  1. Remove the oil pan. Refer to Oil Pan Replacement .

    2. Object Number: 4549 Size: SH
  2. Remove the oil pump.
  3. Remove the drive shaft extension.

Installation Procedure

    Object Number: 4549 Size: SH
  1. Install the oil pump.
  2. Install the drive shaft extension.
  3. Engage the drive shaft extension into the drive gear.

    4. 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.

  4. Install the pump to the rear bearing cap bolt.

    5. Tighten
    Tighten the oil pump mounting bolt to 41 N·m (30 lb ft).

  5. Install the oil pan. Refer to Oil Pan Replacement .
  6. Fill the crankcase with oil.