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Home >> Chevrolet >> 2014 >> Express 1500 LS, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.8L (L20), 5.3L (LMF), Or 6.0L (L96 LC8) - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of Inner Axle Housing Nuts
    GM834241Courtesy of GENERAL MOTORS COMPANY
  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.
    3. Fig 2: View Of Differential Carrier Lower Mounting Bolt
    GM834278Courtesy of GENERAL MOTORS COMPANY
  3. If equipped with AWD, remove the differential carrier lower mounting bolt and nut.
    4. Fig 3: View Of Differential Carrier Upper Mounting Bolt
    GM834276Courtesy of GENERAL MOTORS COMPANY
  4. If equipped with AWD, remove the differential carrier upper mounting bolt and nut.
  5. Lower the front drive axle.
    6. Fig 4: View Of Transmission Cover Bolt
    GM663487Courtesy of GENERAL MOTORS COMPANY
  6. Remove the transmission cover bolt.
    7. Fig 5: View Of Crossbar Bolts & Bar (2WD)
    GM328107Courtesy of GENERAL MOTORS COMPANY
  7. Remove the crossbar bolts (1).
  8. Remove the crossbar (2).
    9. Fig 6: View Of Transmission Cover & Bolt
    GM832978Courtesy of GENERAL MOTORS COMPANY
  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.
    12. Fig 7: Identifying Stud & Bolt Securing Transmission To Engine (Right Side)
    GM394448Courtesy of GENERAL MOTORS COMPANY
  12. If equipped with the 4L60-E automatic transmission, remove the transmission bolt and stud on the right side.
    13. Fig 8: Identifying Six Studs & One Bolt Securing Transmission To Engine
    GM394446Courtesy of GENERAL MOTORS COMPANY
  13. Remove the bottom bolt on the left side.
    14. Fig 9: View Of Transmission Converter Cover Bolt (4L80-E)
    GM396795Courtesy of GENERAL MOTORS COMPANY
  14. If equipped with the 4L80-E automatic transmission, remove the transmission converter cover bolts.
    15. Fig 10: Identifying Electrical Connector (Right Side Of Engine)
    GM662991Courtesy of GENERAL MOTORS COMPANY
  15. Disconnect the oil level sensor electrical connector (6).
    16. Fig 11: View Of Positive Battery Cable, Channel & Bolt
    GM662508Courtesy of GENERAL MOTORS COMPANY
  16. Remove the battery cable channel bolt.
  17. Slide the channel pin out of the oil pan tab.
    18. Fig 12: View Of Positive Battery Cable Clip & Bolt
    GM310672Courtesy of GENERAL MOTORS COMPANY
  18. Remove the positive battery cable clip bolt (1).
    19. Fig 13: View Of Oil Pan & Bolts
    GM683355Courtesy of GENERAL MOTORS COMPANY
  19. Remove the oil pan bolts (1).
  20. Remove the oil pan (2).
    21. Fig 14: Drilling Oil Pan Gasket Retaining Rivets
    GM384699Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    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 .
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