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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> Body & Frame >> Frames, Subframes & Crossmembers >> Frame And Underbody >> Repair Instructions >> Frame Replacement - Front >> Removal Procedure

Removal Procedure

  1. Install the engine support fixture. Refer to Engine Support Fixture in Engine Mechanical - 2.6L and 3.2L or to Engine Support Fixture in Engine Mechanical - 5.7L.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the front wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  4. Remove the front air deflector. Refer to Air Deflector Replacement - Front in Body Front End.
    5. Fig 1: Identifying Engine Harness-To-Frame Electrical Harness Retainers
    GM708192Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the electrical harness retainers (1) securing the engine harness to the frame.
    6. Fig 2: Identifying Left Rearward Retainer
    GM708204Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the left rearward retainer (1).
    7. Fig 3: Identifying Right Rearward Retainer
    GM708197Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the right rearward retainer (1).
    8. Fig 4: Identifying Anti-Lock Brake Wiring Harness At Lower Control Arms
    GM802031Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the anti-lock brake wiring harness from the lower control arms.
    9. Fig 5: Removing & Installing Brake Line Bracket Nut
    GM819185Courtesy of GENERAL MOTORS CORP.
  9. Loosen the brake line bracket nut (1).
  10. Disconnect the brake lines from the frame.
    11. Fig 6: Supporting Radiator & A/C Condenser Assembly To Front Inner Energy Absorber Bracket Bolt Using Mechanics Wire
    GM708709Courtesy of GENERAL MOTORS CORP.
  11. Using mechanics wire (3), support the radiator and AC condenser assembly to the front inner energy absorber bracket bolt (1).
    12. Fig 7: Removing & Installing Washer Bottle Bracket Nuts & Bracket
    GM708714Courtesy of GENERAL MOTORS CORP.
  12. Remove the washer bottle bracket nuts and bracket (3).
  13. Loosen the brake pressure modulator valve nuts (1) in order to separate the brake pressure modulator valve (2) from the bracket assembly.
    14. Fig 8: Removing & Installing Stabilizer Shaft Mounting Bolts
    GM814811Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Mark the stabilizer shaft to ensure the correct position when reinstalling.
  14. Loosen the stabilizer shaft mounting bolts.
    15. Fig 9: Removing & Installing Stabilizer Shaft Link
    GM750841Courtesy of GENERAL MOTORS CORP.
  15. Remove the lower stabilizer shaft link retaining nut.
  16. Remove the stabilizer shaft link from the lower control arm.
    17. Fig 10: Removing & Installing Power Steering Pressure Hose Retaining Nut
    GM802037Courtesy of GENERAL MOTORS CORP.
  17. Remove the power steering pressure hose retaining nut from the air conditioning compressor.
  18. Position power steering pressure hose aside.
    19. Fig 11: Removing & Installing Power Steering Gear Mounting Bolts
    GM802792Courtesy of GENERAL MOTORS CORP.
  19. Remove the power steering gear mounting bolts.
    20. Fig 12: Supporting Power Steering Gear To Bolt Bracket Installed In The Oil Pan Using Mechanics Wire
    GM708719Courtesy of GENERAL MOTORS CORP.
  20. Using mechanics wire (4) support the power steering gear (3) to the bolt bracket installed in the oil pan.
    21. Fig 13: View Of Outer Tie Rod-To-Steering Knuckle And Retaining Nut
    GM794579Courtesy of GENERAL MOTORS CORP.
  21. Remove the outer tie rod retaining nut.
    22. Fig 14: Removing Outer Tie Rod Assembly From Steering Knuckle
    GM643351Courtesy of GENERAL MOTORS CORP.
  22. Using J 24319-B  , separate the outer tie rod from the steering knuckle. See Special Tools and Equipment .
    23. Fig 15: Removing & Installing Lower Shock Bolts
    GM742959Courtesy of GENERAL MOTORS CORP.
  23. Remove the lower shock bolts (1).
    24. IMPORTANT: The brake calipers do not need to be removed from the knuckle assembly.
  24. Disconnect the lower ball joint from the steering knuckle and position the knuckle assembly away from the lower control arms. Refer to Lower Control Arm Replacement in Front Suspension
    25. Fig 16: Removing Engine Mounts Lower Retaining Nuts
    GM708183Courtesy of GENERAL MOTORS CORP.
  25. Remove the engine mounts lower retaining nuts (2).
    26. Fig 17: Identifying Frame Mounting Bolts
    GM822362Courtesy of GENERAL MOTORS CORP.
  26. Install J 39580  under the frame. See Special Tools and Equipment .
  27. Lower the vehicle to the frame support table.
  28. Remove the frame mounting bolts (2).
  29. With the aid of an assistant, carefully raise the body from the frame.
  30. Ensure when raising the body the following items are clear from the frame.
    • The brake pipes
    • The steering knuckle assembly
    • The wheel speed sensor electrical harness
    31. Fig 18: Identifying Frame Removed From Support Fixture
    GM819203Courtesy of GENERAL MOTORS CORP.
  31. Remove the lower control arms. Refer to Lower Control Arm Replacement in Front Suspension.
  32. Remove the stabilizer shaft. Refer to Stabilizer Shaft Replacement in Front Suspension.
  33. With the aid of an assistant, remove the frame from the support fixture.
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