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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1619 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Oil Pump Assemble

Oil Pump Assemble

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IMPORTANT: Prior to assembling the oil pump, coat all wear or internal surfaces with clean engine oil.
  1. Install the driven gear into the pump housing.

    Install the driven gear with the orientation mark facing the pump cover.

    Fig 1: Installing Driven Gear
    G02107114Courtesy of GENERAL MOTORS CORP.
  2. Install the drive gear into the pump housing.
    Fig 2: Installing Drive Gear
    G02107115Courtesy of GENERAL MOTORS CORP.
  3. Install the oil pump cover.
    Fig 3: Installing Oil Pump Cover
    G02107116Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  4. Install the pump cover bolts.

    Tighten 

    Tighten the oil pump cover bolts to 12 N.m (106 lb in).

    Fig 4: Installing Pump Cover Bolts
    G02107117Courtesy of GENERAL MOTORS CORP.
  5. Install the regulator valve.
    Fig 5: Installing Regulator Valve
    G02107118Courtesy of GENERAL MOTORS CORP.
  6. Install a NEW regulator valve spring.
    Fig 6: Installing Regulator Valve Spring
    G02107119Courtesy of GENERAL MOTORS CORP.
  7. Install the pressure relief valve plug.

    Tighten 

    Tighten the pressure relief valve plug to 12 N.m (106 lb in).

  8. Inspect the oil pump for smoothness of operation by rotating the drive gear.
    Fig 7: Installing Pressure Relief Valve Plug
    G02107120Courtesy of GENERAL MOTORS CORP.
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