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Home >> GMC >> 2003 >> Yukon Denali >> Repair and Diagnosis >> External Pages >> Different car >> Section 521 (Engine Mechanical (Repair Instructions -- 2 Of 3) -- 4.8L, 5.3L & 6.0L) >> Repair Instructions (Off-Vehicle - Part 2) >> Oil Pump, Pump Screen and Deflector Removal

Oil Pump, Pump Screen and Deflector Removal

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  1. Remove the oil pump screen bolt (405) and nuts (404).
  2. Remove the oil pump screen (407) with O-ring seal (406).
  3. Remove the O-ring seal from the pump screen.
  4. Discard the O-ring seal.
    5. Fig 1: View Of Oil Pump Screen, Bolt, Nuts, & O-Ring Seal
    GM1277115Courtesy of GENERAL MOTORS CORP.
  5. Remove the remaining crankshaft oil deflector nuts.
  6. Remove the crankshaft oil deflector.
    7. Fig 2: View Of Crankshaft Oil Deflector
    GM260099Courtesy of GENERAL MOTORS CORP.
  7. Remove the oil pump bolts.
    8. IMPORTANT: Do not allow dirt or debris to enter the oil pump assembly, cap ends as necessary.
  8. Remove the oil pump.
    9. Fig 3: View Of Oil Pump & Bolt
    GM64281Courtesy of GENERAL MOTORS CORP.
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