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Home >> Chevrolet >> 2004 >> Malibu Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 232 (Engine Mechanical - 3.6L (Ly7) (Repair Instructions - 3 Of 5)) >> Off-Vehicle Repair Instructions (Part 2) >> Oil Pump Disassemble

Oil Pump Disassemble

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Oil Pump Mounting Bolts
    GM1579176Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: There are no serviceable components within the oil pump. Disassemble the pump only to diagnose an oiling concern. A disassembled oil pump must not be reused. A disassembled oil pump must be replaced.
  1. Remove the oil pump mounting bolts.
    2. Fig 2: Identifying Primary Camshaft Drive Chain Lower Guide Bolts
    GM1579177Courtesy of GENERAL MOTORS CORP.
  2. Remove the primary camshaft drive chain lower guide bolts.
  3. Remove the primary camshaft drive chain lower guide.
    4. Fig 3: Identifying Oil Pump Cover Bolts
    GM1579178Courtesy of GENERAL MOTORS CORP.
  4. Remove the bolts holding the oil pump cover to the oil pump housing.
    5. Fig 4: Identifying Oil Pump Cover
    GM1579180Courtesy of GENERAL MOTORS CORP.
  5. Remove the oil pump cover from the oil pump housing.
    6. Fig 5: Identifying Oil Pump Gears
    GM1579181Courtesy of GENERAL MOTORS CORP.
  6. Remove the inner oil pump drive gear.
  7. Remove the outer oil pump driven gear.
    8. Fig 6: Identifying Oil Pump Relief Valve Components
    GM1579182Courtesy of GENERAL MOTORS CORP.
  8. Remove the clip, holding the cap, for the oil relief valve components.
  9. Remove the cap, spring and plunger from the oil pump housing.
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