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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical - 5.7L (LS6)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pump, Pump Screen and Deflector Replacement >> Removal Procedure

Removal Procedure

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  1. Remove the engine front cover. Refer to Engine Front Cover Replacement .
  2. Remove the engine oil pan. Refer to Oil Pan Replacement .
  3. Remove the oil pump screen bolt and nut.
    Fig 1: Identifying Oil Pump Screen, Bolt & Nut
    GM651887Courtesy of GENERAL MOTORS CORP.
  4. Remove the oil pump screen and O-ring seal.
  5. Remove the O-ring seal from the pump screen.
  6. Discard the O-ring seal.
    7. Fig 2: View Of Crankshaft Oil Deflector & Nuts
    GM651888Courtesy of GENERAL MOTORS CORP.
  7. Remove the remaining crankshaft oil deflector nuts.
  8. Remove the crankshaft oil deflector.
    9. Fig 3: View Of Oil Pump & Bolt
    GM64281Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not allow dirt or debris to enter the oil pump, cap the ends as necessary.
  9. Remove the oil pump bolts.
  10. Remove the oil pump.
  11. Clean and inspect the oil pump. Refer to Oil Pump Cleaning and Inspection .
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