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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 855 (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 four-wheel drive (4WD), 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 From Bracket
    G02116462Courtesy of GENERAL MOTORS CORP.
  3. If equipped with 4WD, remove the differential carrier lower mounting bolt and nut.
    Fig 2: Removing Differential Carrier Lower Mounting Bolt & Nut
    G02116463Courtesy of GENERAL MOTORS CORP.
  4. If equipped with 4WD, remove the differential carrier upper mounting bolt and nut.
  5. Lower the front drive axle.
    Fig 3: Removing Differential Carrier Upper Mounting Bolt & Nut
    G02116464Courtesy of GENERAL MOTORS CORP.
  6. Remove the transmission cover bolt.
    Fig 4: Removing Transmission Cover Bolt
    G02116465Courtesy of GENERAL MOTORS CORP.
  7. If equipped, remove the oil pan skid plate bolts.
  8. Remove the oil pan skid plate.
    Fig 5: Removing Oil Pan Skid Plate & Bolts
    G02116466Courtesy of GENERAL MOTORS CORP.
  9. Remove the crossbar bolts.
  10. Remove the crossbar.
    Fig 6: Removing Crossbar & Bolts
    G02116467Courtesy of GENERAL MOTORS CORP.
  11. Remove the transmission cover bolt and cover.
  12. Drain the engine oil and remove the engine oil filter.
  13. Re-install the drain plug and oil filter until snug.
    Fig 7: Removing Transmission Cover Bolt & Cover
    G02116468Courtesy of GENERAL MOTORS CORP.
  14. If equipped with the 4L60-E automatic transmission, remove the transmission bolt and stud on the right side.
    Fig 8: Removing Transmission Bolt & Stud On Right Side
    G02116469Courtesy of GENERAL MOTORS CORP.
  15. Remove the bottom bolt on the left side.
    Fig 9: Removing Bottom Bolt On Left Side
    G02116470Courtesy of GENERAL MOTORS CORP.
  16. If equipped with the 4L80-E automatic transmission, remove the transmission converter cover bolts.
    Fig 10: Removing Transmission Converter Cover Bolts
    G02116471Courtesy of GENERAL MOTORS CORP.
  17. Disconnect the oil level sensor electrical connector (6).
    Fig 11: Disconnecting Oil Level Sensor Electrical Connector
    G02116472Courtesy of GENERAL MOTORS CORP.
  18. Remove the battery cable channel bolt.
  19. Slide the channel pin out of the oil pan tab.
    Fig 12: Removing Battery Cable Channel Bolt
    G02116473Courtesy of GENERAL MOTORS CORP.
  20. Remove the positive battery cable clip bolt.
    Fig 13: Removing Positive Battery Cable Clip Bolt
    G02116474Courtesy of GENERAL MOTORS CORP.
  21. Remove the oil pan bolts.
  22. Remove the oil pan.
    Fig 14: Removing Oil Pan & Bolts
    G02116475Courtesy 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.

  23. Drill (3) out the oil pan gasket retaining rivets (2), if required.
  24. Remove the gasket (1) from the pan.
  25. Discard the gasket and rivets.
  26. If require, clean and inspect the engine oil pan. Refer to Oil Pan Cleaning and Inspection  .
    Fig 15: Drilling Out Oil Pan Gasket Retaining Rivets
    G02116476Courtesy of GENERAL MOTORS CORP.
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