GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Oil Pump Replacement

Removal Procedure

    Object Number: 869740 Size: SH
  1. Remove the oil pan. Refer to Oil Pan Replacement.
  2. Remove the oil pump bolt.
  3. Remove the oil pump.

    4. Object Number: 869741 Size: SH
  4. Inspect the oil pump locator pins for damage, and replace if required.
  5. Clean and inspect the oil pump, if necessary.

Installation Procedure

    Object Number: 869741 Size: SH
  1. Inspect for properly installed oil pump locator pins.

    2. Object Number: 869740 Size: SH

    Note: Do not reuse the oil pump driveshaft retainer. During assembly, install a NEW oil pump driveshaft retainer.

  2. Install the oil pump. Position the oil pump onto the locator pins.

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

  3. Install the oil pump bolt and tighten to 90 N·m (66 lb ft).
  4. Install the oil pan. Refer to Oil Pan Replacement.