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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

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  1. If equipped with all wheel drive (AWD), remove the inner axle housing nuts and washers from the bracket.
  2. Support the front drive axle with a suitable jack.
    Fig 1: Removing Inner Axle Housing Nuts & Washers
    G02078557Courtesy of GENERAL MOTORS CORP.
  3. If equipped with AWD, remove the differential carrier lower mounting bolt and nut.
    Fig 2: Removing Differential Carrier Lower Mounting Bolt & Nut
    G02078558Courtesy of GENERAL MOTORS CORP.
  4. If equipped with AWD, remove the differential carrier upper mounting bolt and nut.
  5. Lower the front drive axle.
    Fig 3: Removing Differential Carrier Upper Mounting Bolt & Nut
    G02078559Courtesy of GENERAL MOTORS CORP.
  6. Remove the transmission cover bolt.
    Fig 4: Removing Transmission Cover Bolt
    G02078560Courtesy of GENERAL MOTORS CORP.
  7. Remove the crossbar bolts.
  8. Remove the crossbar.
    Fig 5: Removing Crossbar Bolts & Crossbar
    G02078561Courtesy of GENERAL MOTORS CORP.
  9. Remove the transmission cover bolt and cover.
  10. Drain the engine oil and remove the engine oil filter.
  11. Re-install the drain plug and oil filter until snug.
    Fig 6: Removing Transmission Cover Bolt & Cover
    G02078562Courtesy of GENERAL MOTORS CORP.
  12. If equipped with the 4L60-E automatic transmission, remove the transmission bolt and stud on the right side.
    Fig 7: Removing Transmission Bolt & Stud (4L60-E)
    G02078563Courtesy of GENERAL MOTORS CORP.
  13. Remove the bottom bolt on the left side.
    Fig 8: Removing Bottom Bolt On Left Side
    G02078564Courtesy of GENERAL MOTORS CORP.
  14. If equipped with the 4L80-E automatic transmission, remove the transmission converter cover bolts.
    Fig 9: Removing Transmission Converter Cover Bolts (4L80-E)
    G02078565Courtesy of GENERAL MOTORS CORP.
  15. Disconnect the oil level sensor electrical connector (6).
    Fig 10: Disconnecting Oil Level Sensor Electrical Connector
    G02078566Courtesy of GENERAL MOTORS CORP.
  16. Remove the battery cable channel bolt.
  17. Slide the channel pin out of the oil pan tab.
    Fig 11: Removing Battery Cable Channel Bolt
    G02078567Courtesy of GENERAL MOTORS CORP.
  18. Remove the positive battery cable clip bolt.
    Fig 12: Removing Positive Battery Cable Clip Bolt
    G02078568Courtesy of GENERAL MOTORS CORP.
  19. Remove the oil pan bolts.
  20. Remove the oil pan.
    Fig 13: Removing Oil Pan Bolts & Oil Pan
    G02078569Courtesy of GENERAL MOTORS CORP.

    Important:  DO NOT allow foreign material to enter the oil passages of the oil pan, cap or cover the openings as required.

  21. Drill (3) out the oil pan gasket retaining rivets (2), if required.
  22. Remove the gasket (1) from the pan.
  23. Discard the gasket and rivets.
  24. If required, clean and inspect the engine oil pan. Refer to Oil Pan Cleaning and Inspection .
    Fig 14: Drilling Out Oil Pan Gasket Retaining Rivets & Removing Gasket
    G02078570Courtesy of GENERAL MOTORS CORP.
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