GM Service Manual Online
For 1990-2009 cars only

Oil Pump Disassemble for Isuzu Isuzu H-Series 2008

  1. Remove the driven gear and shaft from the oil pump body.
  2. Remove the cotter pin from the oil pump.
  3. Remove the oil relief valve from the oil pump.
  4. Remove the oil pump drive gear using a suitable puller.
  5. Remove the drive gear.