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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1276 (Engine Mechanical - 2.2L (Unit Repair)) >> Repair Instructions >> Oil Pump Assemble

Oil Pump Assemble

WARNING: This page is about a different car, the 2002 GMC Sonoma and 2002 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Important:  Replace the pressure relief valve spring when you reuse the oil pump.

  1. Install the following items:
    • The pressure regulator valve
    • The pressure regulator spring
    • The retaining pin
    Fig 1: Pressure Regulator Valve, Pressure Regulator Spring & Retaining Pin
    G01660827Courtesy of GENERAL MOTORS CORP.
  2. Fill the gear cavity with petroleum jelly.
  3. Install the drive gear and the driven gear into the pump body. Align the matchmarks on the gears. Install the smooth side of the gear toward the pump cover.
    Fig 2: Drive Gear & Driven Gear
    G01660828Courtesy of GENERAL MOTORS CORP.
  4. Install the pump cover.
    Fig 3: Pump Cover
    G01660829Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  5. Install the cover bolts.

    Tighten 

    Tighten the bolts to 10 N.m (89 lb in).

    Fig 4: Cover Bolts
    G01660830Courtesy of GENERAL MOTORS CORP.
  6. Install the shaft and the retainer.
    Fig 5: Shaft & Retainer
    G01660831Courtesy of GENERAL MOTORS CORP.
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