GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2009 🢒 I-290 🢒 Engine 🢒 Engine Cooling 🢒 Oil Pump Replacement

Removal Procedure

    Object Number: 659575 Size: SH
  1. Remove the engine front cover. Refer to Engine Front Cover Replacement.
  2. Remove the oil pump cover bolts.
  3. Remove the oil pump cover.
  4. Mark the inner and the outer gears in relation to the oil pump housing.
  5. Remove the inner and the outer oil pump gears.
  6. Remove the oil pump pressure relief valve plug.
  7. Remove the oil pump pressure relief valve and the spring.

Installation Procedure

    Object Number: 659575 Size: SH
  1. Install the oil pump pressure relief valve and the spring.

    2. Caution: Refer to Component Fastener Tightening Caution in the Preface section.

  2. Install the oil pump pressure relief valve plug and tighten to 14 N·m (124 lb in).
  3. Install the oil pump outer and inner gears as removed.
  4. Install the oil pump cover.

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

  5. Install the oil pump cover bolts and tighten to 10 N·m (89 lb in).
  6. Install the engine front cover. Refer to Engine Front Cover Replacement.