GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Lumina 🢒 Engine 🢒 Engine Mechanical - 3.1L 🢒 Oil Pump Replacement

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

    2. Object Number: 190530 Size: SH
  2. Remove the bolt attaching the oil pump to the rear crankshaft bearing cap.
  3. Remove the oil pump and driveshaft.
  4. Inspect the driveshaft at both ends for rounding of the corners.
  5. Inspect the oil pump. Refer to Oil Pump Cleaning and Inspection , Oil Pump Assemble Oil Pump Clean and Inspect , and .

Installation Procedure

    Object Number: 190530 Size: SH

    Important: Rotate the driveshaft as necessary in order to obtain the engagement with the oil pump drive unit.

  1. Install the oil pump and driveshaft.

    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 bolt attaching the oil pump to the rear crankshaft bearing cap.

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

  3. Install the oil pan. Refer to Oil Pan Replacement .