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Oil Pump Disassemble

WARNING: This page is about a different car, the 2003 GMC Sonoma and 2003 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the shaft and retainer.
    • The oil pump screen has a press fit in to the pump cover.
    • Do not remove the pickup tube from the cover unless it is loose or broken. The oil pump is serviced as a complete assembly.
      Fig 1: Removing Oil Pump Shaft And Retainer
      G01977197Courtesy of GENERAL MOTORS CORP.
  2. Remove the cover bolts.
    Fig 2: Removing Cover Bolts
    G01977198Courtesy of GENERAL MOTORS CORP.
  3. Remove the pump cover.
    Fig 3: Removing Pump Cover
    G01977199Courtesy of GENERAL MOTORS CORP.
  4. Remove the drive gear and the driven gear. Matchmark the gear teeth for assembly.
    Fig 4: Removing Drive Gear And Driven Gear
    G01977200Courtesy of GENERAL MOTORS CORP.
  5. Remove the following items:
    • The retaining pin
    • The pressure regulator spring
    • The pressure regulator valve
      Fig 5: Removing Retaining Pin, Pressure Regulator Spring, Pressure Regulator Valve
      G01977201Courtesy of GENERAL MOTORS CORP.
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