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Home >> Saturn >> 2002 >> L200 Standard >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> Removal And Installation >> Oil Pump Assembly
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Oil Pump Assembly

  1. Install pressure relief valve and pressure relief valve spring.
  2. Install oil pump pressure relief valve plug. Tighten oil pump pressure relief valve plug to 40 N.m (30 ft-lbs).
    Fig 1: Installing Oil Pump Pressure Relief Valve Plug
    G01019463Courtesy of GENERAL MOTORS CORP.
  3. Lubricate drive and driven rotors with clean engine oil.
    NOTE: Align marks on drive and driven rotors.
  4. Install drive and driven rotors into pump body.
  5. Fill oil pump with petroleum jelly to prim oil pump.
    NOTE: Fill the oil pump cavities with petroleum jelly prior to installation. This will ensure that there is oil pressure immediately on initial start up and will prevent engine damage.
  6. Lubricate drive and driven rotors with clean engine oil.
  7. Install oil pump gerotor cover bolts. Tighten oil pump gerotor cover bolts to 6 N.m (53 in-lbs). See Figure .
    NOTE: Front cover damage and engine damage will result if gerotor gears are not properly installed into front cover.
  8. Install gear with groove in gear aligning with race in front cover.
    Fig 2: Installing Gear
    G01019465Courtesy of GENERAL MOTORS CORP.
  9. Install gerotor cover and bolts. Tighten oil pump gerotor cover bolts to 6 N.m (53 in-lbs).
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