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Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Do not raise the engine by the crankshaft balancer to perform this service procedure. Damage to the crankshaft balancer or the crankshaft may occur.
  1. Remove the front differential, if equipped with four wheel drive (4WD). Refer to Differential Carrier Assembly Replacement in Front Drive Axle.
  2. Remove the starter motor. Refer to Starter Motor Replacement (8.1L Engine) in Engine Electrical.
  3. Remove the oil pan skid plate bolts.
  4. Remove the oil pan skid plate.
    5. Fig 1: Identifying Oil Pan Skid Plate
    GM309158Courtesy of GENERAL MOTORS CORP.
  5. If equipped with two wheel drive (2WD), remove the crossbar bolts.
    6. Fig 2: View Of Crossbar Bolts & Bar (2WD)
    GM328107Courtesy of GENERAL MOTORS CORP.
  6. Remove the crossbar.
  7. If equipped with 4WD, remove the crossbar bolts.
    8. Fig 3: View Of Crossmember Bolts & Bar (4WD Only)
    GM487521Courtesy of GENERAL MOTORS CORP.
  8. Remove the crossbar.
  9. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  10. Remove the oil level indicator. Refer to Oil Level Indicator and Tube Replacement .
  11. Disconnect the oil level sensor electrical connector (4).
    12. Fig 4: View Of Oil Level Sensor Electrical Connector
    GM1236370Courtesy of GENERAL MOTORS CORP.
  12. Remove the engine harness clip from the oil pan.
  13. Remove the oil level sensor from the oil pan.
    14. Fig 5: View Of Oil Level Sensor
    GM750962Courtesy of GENERAL MOTORS CORP.
  14. Remove the battery cable channel bolt.
  15. Remove and reposition the battery cable channel.
    16. Fig 6: View Of Battery Cable Channel Bolt
    GM1236368Courtesy of GENERAL MOTORS CORP.
  16. Remove the oil pan bolts.
    17. Fig 7: View Of Oil Pan Bolts
    GM843895Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The oil pan gasket is reusable if not cut or damaged.
  17. Remove the oil pan and gasket.
    18. Fig 8: View Of Oil Pan
    GM843898Courtesy of GENERAL MOTORS CORP.
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