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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1290 (Engine Mechanical - 1.8L (LV6)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Oil Pump Assemble

Oil Pump Assemble

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lubricate the gears with clean engine oil.
    • The oil pump inner gear
    • The oil pump outer gear
    • The inside surface of the oil pump body
  2. Install the oil pump outer and inner gears to the oil pump body.
    NOTE: Fill oil pump cavities with petroleum jelly prior to installation. This will ensure that there is oil pressure immediately on start-up and will prevent engine damage.

    Important:  Place the drive gear and the driven gear into the oil pump body with the marks on the gears facing the oil pump cover side.

  3. Fill the oil pump with petroleum jelly to prime the oil pump.
    Fig 1: Installing Oil Pump Outer And Inner Gears To Oil Pump Body
    G01546963Courtesy of GENERAL MOTORS CORP.
  4. Assemble the pressure relief valve.
    Fig 2: Assembling Pressure Relief Valve
    G01546964Courtesy of GENERAL MOTORS CORP.
  5. Install the oil pump cover to the oil pump body. Secure the cover with five screws.
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