GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Chevy K Silverado - 4WD 🢒 Engine 🢒 Engine Mechanical - 8.1L 🢒 Oil Pump Drive Replacement

Removal Procedure

    Object Number: 843883 Size: SH
  1. Remove the intake manifold. Refer to Intake Manifold Replacement .
  2. Remove the oil pump drive bolt.
  3. Remove the oil pump drive.
  4. Clean and inspect the oil pump drive. Refer to Oil Pump Drive Cleaning and Inspection .

Installation Procedure

    Object Number: 843883 Size: SH
  1. Apply grease to the oil pump drive gear for ease of assembly.
  2. Line up the oil pump drive, making sure that the oil pump is fully seated in the engine block.

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

    Notice: Ensure both components are aligned correctly or serious engine damage will occur.

  3. Install the oil pump, making sure that the oil pump drive is fully seated in the engine block.

    4. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).

  4. Install the intake manifold. Refer to Intake Manifold Replacement .