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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1902 (Frame And Underbody) >> Repair Instructions >> Frame Replacement (2MT70 Transmission) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    WARNING: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.
    The High Voltage Disabling procedure will perform the following tasks:
    • Identify how to disable high voltage.
    • Identify how to test for the presence of high voltage.
    • Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.

    Failure to follow the procedures exactly as written may result in serious injury or death.
  1. Disable the hybrid high voltage system. Refer to High Voltage Disabling .
  2. Disconnect the 12 volt battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (HP5) .
  3. Remove the radiator opening upper cover. Refer to Radiator Opening Upper Cover Replacement .
    4. Fig 1: View Of Cooling Module Secured To Upper Body Structure
    GM857193Courtesy of GENERAL MOTORS CORP.
  4. Secure the radiator, air conditioning condenser, and fan module assembly to the upper tie bar to keep the assembly with the vehicle when the frame is removed.
  5. Install the engine support fixture. Refer to Engine Support Fixture .
  6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  7. Remove the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation .
  8. Remove the engine splash shields. Refer to Engine Splash Shield Replacement .
  9. Remove the air deflector from the frame. Refer to Front Bumper Fascia Air Deflector Replacement .
  10. Remove the front catalytic converters. Refer to Catalytic Converter Replacement - Left Side (LZ4) or Catalytic Converter Replacement - Left Side (LY7 ) or Catalytic Converter Replacement - Left Side (LCS) .
    11. Fig 2: Identifying Lower Ball Joints
    GM1873841Courtesy of GENERAL MOTORS CORP.
  11. Disconnect the lower ball joints from the steering knuckles. Refer to Lower Control Arm Replacement .
    12. Fig 3: Steering Shaft Coupling
    GM2159877Courtesy of GENERAL MOTORS CORP.
  12. Disconnect the steering shaft coupling (1) from the steering gear. Refer to Steering Shaft Coupling Replacement .
  13. Disconnect the electrical connectors (1, 2) from the Electronic Power Steering rack motor, using the following steps:
    1. To release the locking tab, insert a small flat bladed screwdriver or pick into the slot directly behind the locking tab.
    2. Gently rock the screwdriver or pick toward the wiring harness side of the connector, until a click can be heard or the release of the connector can be felt.
    3. Continue to hold the locking tab down until the connector is completely removed.
  14. Disconnect the out tie rod ends from the steering knuckle. Refer to Steering Linkage Outer Tie Rod Replacement
  15. Disconnect the stabilizer links from the stabilizer bar. Refer to Stabilizer Shaft Link Replacement
    16. Fig 4: Front Transmission Mount Retaining Bolts
    GM2159313Courtesy of GENERAL MOTORS CORP.
  16. Remove the three front transmission mount retaining bolts (1) from the frame.
    17. Fig 5: Rear Transmission Mount To Bracket Retaining Nut
    GM2159318Courtesy of GENERAL MOTORS CORP.
    NOTE: Access the nut through the right hand wheel opening.
  17. Remove the rear transmission mount to bracket retaining nut (1).
  18. Remove the steering gear electric motor ground strap from the underbody.
    19. Fig 6: Electric Brake Control Module (EBCM)
    GM2159543Courtesy of GENERAL MOTORS CORP.
    NOTE: Support the EBCM with mechanics wire to the vehicle underbody.
  19. Remove the four bolts that attach the electric brake control module (EBCM) (1) to the frame.
    20. Fig 7: Identifying Utility Stand
    GM333118Courtesy of GENERAL MOTORS CORP.
  20. Lower the vehicle until the frame contacts the J 39580  .
    21. Fig 8: Identifying Frame Reinforcements
    GM1874266Courtesy of GENERAL MOTORS CORP.
  21. Remove the frame reinforcements. Refer to Drivetrain and Front Suspension Frame Reinforcement Replacement (2.4L LE5 and 2.4L LAT)  or Drivetrain and Front Suspension Frame Reinforcement Replacement (3.5L LZ4, 3.6L LY7 and 3.6L LSC) .
  22. Remove the front frame bolts.
    23. Fig 9: Power Steering Rack And Stabilizer Bar
    GM2159320Courtesy of GENERAL MOTORS CORP.
  23. Raise the vehicle off of the frame with the power steering rack (1) and stabilizer bar (2) still attached the frame.
  24. If frame replacement is necessary, transfer all components.
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