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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 870 (Engine Mechanical) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the battery negative cable.
  2. Remove the right engine mount strut from the engine. Refer to ENGINE MOUNT STRUT REPLACEMENT - RIGHT  .
  3. Install the engine support fixture. Refer to ENGINE SUPPORT FIXTURE  .
  4. Raise and support the vehicle.
  5. Remove the A/C compressor bolts and reposition the compressor in order to gain access to the oil pan. Refer to COMPRESSOR REPLACEMENT .
  6. Disconnect the catalytic converter from the exhaust manifold.
  7. Remove the frame.
  8. Drain the engine oil. Refer to ENGINE OIL AND OIL FILTER REPLACEMENT  .
  9. Disconnect the oil level sensor electrical connector.
  10. Remove the starter motor.
  11. If the vehicle is equipped with All-Wheel-Drive (AWD), remove the transfer case brace. Refer to SUPPORT BRACE REPLACEMENT .
  12. Remove the transaxle brace.
    Fig 1: Disconnecting Oil Level Sensor Electrical Connector - Oil Pan Replacement
    G01500548Courtesy of GENERAL MOTORS CORP.
  13. Install one end of a suitable utility strap to the transmission.
    • If the vehicle is equipped with All-Wheel-Drive (AWD), carefully wrap the utility strap around the transfer case.
    • If the vehicle is equipped with Front-Wheel-Drive (FWD), carefully wrap the utility strap around the transmission case extension housing.
  14. Install the opposite end of the utility strap to a suitable underbody structure.
  15. Tighten the utility strap in order to prevent movement of the powertrain.
    Fig 2: Installing Opposite End Of Utility Strap To Suitable Underbody Structure
    G01500549Courtesy of GENERAL MOTORS CORP.
  16. Remove the J 45057-2  lower support bar.
  17. Remove the engine mount with the engine mount bracket from the oil pan. Refer to ENGINE MOUNT BRACKET REPLACEMENT (FWD)  or ENGINE MOUNT BRACKET REPLACEMENT (AWD)  .

    Important:  Use the J 39505  in order to remove the engine right side oil pan side bolts.

  18. Remove the oil pan and the oil pan gasket. Refer to OIL PAN REMOVAL  .
  19. Clean the oil pan and the engine block gasket surface. Refer to OIL PAN CLEANING AND INSPECTION  .
    Fig 3: Removing J 45057-2 lower support bar
    G01500550Courtesy of GENERAL MOTORS CORP.
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