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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Engine Mechanical) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the front differential. Refer to Differential Carrier Assembly Replacement .
  2. Remove the starter motor. Refer to Starter Motor Replacement .
    3. Fig 1: View Of Crossbar Bolts & Bar (2WD)
    GM328107Courtesy of GENERAL MOTORS CORP.
  3. Remove the crossbar bolts.
  4. Remove the crossbar.
    5. Fig 2: View Of Left Closeout Cover & Bolt
    GM178477Courtesy of GENERAL MOTORS CORP.
  5. Remove the transmission cover bolt and cover.
  6. Drain the engine oil and remove the engine oil filter.
  7. Re-install the drain plug and oil filter until snug.
    8. Fig 3: Identifying Stud & Bolt Securing Transmission To Engine (Right Side)
    GM394448Courtesy of GENERAL MOTORS CORP.
  8. Remove the transmission bolt and stud on the right side.
    9. Fig 4: Identifying Six Studs & One Bolt Securing Transmission To Engine
    GM394446Courtesy of GENERAL MOTORS CORP.
  9. Remove the bottom bolt on the left side.
    10. Fig 5: View Of RH Side Engine Electrical Connectors
    GM662991Courtesy of GENERAL MOTORS CORP.
  10. Disconnect the oil level sensor electrical connector (6).
    11. Fig 6: View Of Positive Battery Cable, Channel & Bolt
    GM662508Courtesy of GENERAL MOTORS CORP.
  11. Remove the battery cable channel bolt.
  12. Slide the channel pin out of the oil pan tab.
    13. Fig 7: View Of Positive Battery Cable Fasteners (4.8L, 5.3L & 6.0L)
    GM662510Courtesy of GENERAL MOTORS CORP.
  13. Remove the following from the positive battery cable clip:
    • Engine wiring harness clip
    • Positive battery cable clip
    14. Fig 8: View Of Positive Battery Cable Clip & Bolt
    GM310672Courtesy of GENERAL MOTORS CORP.
  14. Remove the engine oil cooler lines from the positive battery cable clip.
  15. Remove the positive battery cable clip bolt and clip.
    16. Fig 9: View Of Oil Pan & Bolts
    GM683355Courtesy of GENERAL MOTORS CORP.
  16. Remove the oil pan bolts.
  17. Remove the oil pan.
    18. Fig 10: Drilling Oil Pan Gasket Retaining Rivets
    GM384699Courtesy 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.
  18. Drill (3) out the oil pan gasket retaining rivets (2), if required.
  19. Remove the gasket (1) from the pan.
  20. Discard the gasket and rivets.
  21. Clean and inspect the engine oil pan. Refer to Oil Pan Cleaning and Inspection .
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