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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 364 (Engine Mechanical - 3.1L V6 - VIN (J) (On-Vehicle)) >> Repair Instructions >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  2. Remove the engine mount struts from the engine. Refer to Engine Mount Strut Replacement .
  3. Install the engine support fixture. Refer to Engine Support Fixture .
  4. Raise and support the vehicle.
  5. Remove the A/C compressor mounting bolts, reposition and secure the A/C compressor. Refer to COMPRESSOR .
  6. Remove the 3-way catalytic converter pipe from the right exhaust manifold. Refer to CATALYTIC CONVERTER REPLACEMENT (3.1L) in AUTOMATIC TRANSAXLE SERVICING .
  7. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  8. Disconnect the oil level sensor electrical connector.
    Fig 1: Oil Level Sensor Electrical Connector
    G01763604Courtesy of GENERAL MOTORS CORP.
  9. Remove the starter motor. Refer to STARTER .
  10. Remove the transaxle brace from the oil pan. Refer to AUTOMATIC TRANSMISSION BRACE REPLACEMENT in AUTOMATIC TRANSAXLE SERVICING .
  11. Loosen the transaxle mount lower nuts. Refer to AUTOMATIC TRANSMISSION MOUNT REPLACEMENT in AUTOMATIC TRANSAXLE SERVICING .
  12. Remove the engine mount lower nuts. Refer to Engine Mount Replacement .
  13. Lower the vehicle.
  14. Use the engine support fixture in order to raise the engine.
  15. Raise the vehicle.
  16. Remove the engine mount bracket with the engine mount from the oil pan. Refer to Engine Mount Bracket Replacement .
  17. Remove the right lower ball joint from the steering knuckle. Refer to LOWER BALL JOINT REPLACEMENT .
  18. Remove the right outer tie rod from the steering knuckle. Refer to TIE ROD END REPLACEMENT - OUTER .
  19. Remove the right side frame bolts.
  20. Loosen the left side frame bolts.
  21. Use the J 39505 in order to remove the right oil pan side bolts.
    Fig 2: Removing Right Side Oil Pan Bolts
    G01763605Courtesy of GENERAL MOTORS CORP.
  22. Remove the left oil pan side bolts.
    Fig 3: Left Oil Pan Side Bolts
    G01763606Courtesy of GENERAL MOTORS CORP.
  23. Remove the oil pan retaining bolts.
    Fig 4: Oil Pan Retaining Bolts
    G01763607Courtesy of GENERAL MOTORS CORP.
  24. Remove the oil pan.
  25. Remove the oil pan gasket.
  26. Clean the oil pan and the engine block gasket mating surface.
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