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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1018 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. If equipped, remove the oil pan skid plate bolts and plate.
    3. Fig 1: Identifying Oil Pan Skid Plate
    GM309158Courtesy of GENERAL MOTORS CORP.
  3. Remove the drain plug and drain the oil into a suitable container.
    4. Fig 2: Identifying Oil Drain Plug
    GM188048Courtesy of GENERAL MOTORS CORP.
  4. Remove the oil filter.
    5. Fig 3: Removing Oil Filter
    GM316766Courtesy of GENERAL MOTORS CORP.
  5. If equipped with 2WD, remove the crossmember bolts and bar.
    6. Fig 4: View Of Crossbar Bolts & Bar (2WD)
    GM328107Courtesy of GENERAL MOTORS CORP.
  6. If equipped with 4WD, remove the crossmember bolts and bar.
    7. Fig 5: View Of Crossmember Bolts & Bar (4WD Only)
    GM487521Courtesy of GENERAL MOTORS CORP.
  7. If equipped with 4WD, remove the front differential carrier. Refer to Differential Carrier Assembly Replacement in Front Drive Axle.
  8. Remove the battery cable bracket bolts.
    9. Fig 6: Removing Battery Cable Bracket Bolts
    GM310250Courtesy of GENERAL MOTORS CORP.
  9. Remove the starter. Refer to Starter Motor Replacement (4.3L Engine) in Engine Electrical.
  10. Remove the transmission cover.
    11. Fig 7: Removing Transmission Cover
    GM869720Courtesy of GENERAL MOTORS CORP.
  11. Remove the positive battery cable clip bolt (2).
    12. Fig 8: Removing Positive Battery Cable Clip Bolt
    GM869722Courtesy of GENERAL MOTORS CORP.
  12. Disconnect the oil level sensor electrical connector (7).
    13. Fig 9: View Of Oil Level Sensor Electrical Connector, CKP Electrical Connector & Battery Ground Bolt
    GM782731Courtesy of GENERAL MOTORS CORP.
  13. Remove the manual transmission bolts, if equipped.
    14. Fig 10: Removing Manual Transmission Bolts
    GM869725Courtesy of GENERAL MOTORS CORP.
  14. Remove the automatic transmission bolts, if equipped.
    15. Fig 11: Removing Automatic Transmission Bolts
    GM869723Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The oil level sensor is not reusable.
  15. Remove and discard the oil level sensor.
    16. Fig 12: Removing Oil Level Sensor
    GM387460Courtesy of GENERAL MOTORS CORP.
  16. Remove the oil pan bolts and nuts.
    17. Fig 13: Removing Oil Pan Bolts & Nuts
    GM869735Courtesy of GENERAL MOTORS CORP.
  17. Remove the oil pan.
    18. Fig 14: Removing Oil Pan
    GM869737Courtesy of GENERAL MOTORS CORP.
  18. Remove and discard the oil pan gasket.
    19. Fig 15: View Of Oil Pan Gasket
    GM387757Courtesy of GENERAL MOTORS CORP.
  19. Clean and inspect the oil pan, if necessary. Refer to Oil Pan Cleaning and Inspection .
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