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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Mechanical - 4.3L) >> Repair Instructions - On Vehicle >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Oil Drain Plug
    GM188048Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the oil pan drain plug and drain the engine oil into a suitable container.
  4. Remove the oil filter.
  5. Remove the oil filter adapter. Refer to Oil Filter Adapter Replacement .
  6. If equipped with AWD, remove the front differential carrier. Refer to Differential Carrier Assembly Replacement .
    7. Fig 2: Identifying Starter Wiring Harness & Transmission Cooler Pipes Bracket Retaining Bolt
    GM535378Courtesy of GENERAL MOTORS CORP.
  7. Remove the bolt holding the bracket for the starter wire and the transmission cooler pipes.
  8. Remove the crankcase position (CKP) sensor wiring harness from the retainer.
  9. Remove the starter. Refer to Starter Motor Replacement (4.3L) .
    10. Fig 3: View Of Transmission Cover
    GM334324Courtesy of GENERAL MOTORS CORP.
  10. Remove the transmission cover.
    11. Fig 4: Expanded View Of Oil Pan Rear Nuts Access Plugs
    GM331034Courtesy of GENERAL MOTORS CORP.
  11. Remove the access plugs for the oil pan rear nuts.
    12. Fig 5: Identifying Transmission To Oil Pan Bolts
    GM477866Courtesy of GENERAL MOTORS CORP.
  12. Remove the transmission to oil pan bolts.
    13. Fig 6: Engine Oil Level Sensor
    GM387460Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The low oil level sensor is not reusable. Use a NEW low oil level sensor.
  13. Remove and discard the engine oil level sensor, if applicable.
    14. Fig 7: Locating Oil Pan Bolts & Nuts
    GM330559Courtesy of GENERAL MOTORS CORP.
  14. Remove the oil pan bolts and nuts.
    15. Fig 8: View Of Oil Pan
    GM330568Courtesy of GENERAL MOTORS CORP.
  15. Remove the oil pan.
    16. Fig 9: View Of Oil Pan Gasket
    GM387757Courtesy of GENERAL MOTORS CORP.
  16. Remove the oil pan gasket.
  17. Discard the oil pan gasket.
  18. Clean all sealing surfaces on the engine and the oil pan. Refer to Oil Pan Cleaning and Inspection .
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