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Home >> Cadillac >> 2005 >> CTS Base, 2.8 T, Standard >> Repair and Diagnosis >> Body & Frame >> Frames, Subframes & Crossmembers >> Frame And Underbody >> Repair Instructions >> Frame Replacement - Front >> Installation Procedure

Installation Procedure

  1. Install the lower control arm to the frame. Refer to Lower Control Arm Replacement in Front Suspension.
  2. Install the stabilizer shaft to the frame. Refer to Stabilizer Shaft Replacement in Front Suspension.

    Do not tighten the stabilizer shaft mounting bolts at this time.

  3. With the aid of an assistant, position and secure the new frame assembly to the support fixture.
    Fig 1: Identifying Front Frame Supported On Frame Support Table
    GM819203Courtesy of GENERAL MOTORS CORP.
  4. With the aid of an assistant, carefully lower the body to the frame.
  5. Ensure the following components are clear from the frame.
    • The electrical harness
    • The steering knuckle assembly
    • The brake pipes
  6. NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 2: Identifying Frame Mounting Bolts
    GM822362Courtesy of GENERAL MOTORS CORP.
  7. Install the frame mountings bolts (2).

    Tighten:  Tighten the bolts to 191 N.m (141 lb ft).

  8. Raise the vehicle.
  9. Install the engine mount lower retaining nuts (2).
    Fig 3: View Of Engine Mounts Lower Retaining Nuts
    GM708183Courtesy of GENERAL MOTORS CORP.

    Tighten:  Tighten the nuts to 50 N.m (37 lb ft).

  10. Remove the J 39580  from under the vehicle. See Special Tools .
  11. Remove the mechanics wire (4) supporting the power steering gear (3).
    Fig 4: Supporting Power Steering Gear To Bolt Bracket Installed In The Oil Pan Using Mechanics Wire
    GM708719Courtesy of GENERAL MOTORS CORP.
  12. Install the power steering gear mounting bolts.
    Fig 5: Removing & Installing Power Steering Gear Mounting Bolts
    GM802792Courtesy of GENERAL MOTORS CORP.

    Tighten:  Tighten the bolts to 95 N.m (70 lb ft).

  13. Install the ball joint to the steering knuckle.
    Fig 6: Installing Steering Knuckle Ball Joint
    GM750956Courtesy of GENERAL MOTORS CORP.
  14. Install the lower ball joint retaining nut.

    Tighten:  Tighten the nut to 20 N.m (15 lb ft) plus an additional 210 degree rotation.

  15. Install the outer tie rod to the steering knuckle.
  16. Install the outer tie rod to steering knuckle retaining nut.
    Fig 7: View Of Outer Tie Rod-To-Steering Knuckle And Retaining Nut
    GM794579Courtesy of GENERAL MOTORS CORP.

    Tighten:  Tighten the nut to 70 N.m (52 lb ft).

  17. IMPORTANT: Ensure correct position from the previously marked spots.
    Fig 8: Removing & Installing Stabilizer Shaft Mounting Bolts
    GM814811Courtesy of GENERAL MOTORS CORP.
  18. Tighten the stabilizer shaft bolts.

    Tighten:  Tighten the bolts to 60 N.m (44 lb ft).

  19. Install the stabilizer shaft link to the lower control arms.
  20. Install the stabilizer shaft link nuts.
    Fig 9: Removing & Installing Stabilizer Shaft Link Retaining Nut
    GM750841Courtesy of GENERAL MOTORS CORP.

    Tighten:  Tighten the nuts to 50 N.m (37 lb ft).

  21. Install the lower shock mounting bolts (1).
    Fig 10: Removing & Installing Lower Shock Bolts
    GM742959Courtesy of GENERAL MOTORS CORP.

    Tighten:  Tighten the bolts to 25 N.m (18 lb ft).

  22. Install the brake pipe connection to the frame with the nuts (1).
    Fig 11: Removing & Installing Brake Line Bracket Nut
    GM819185Courtesy of GENERAL MOTORS CORP.

    Tighten:  Tighten the nuts to 10 N.m (89 lb in).

  23. Install the brake pressure modulator valve nuts (1).
    Fig 12: Removing & Installing Washer Bottle Bracket Nuts & Bracket
    GM708714Courtesy of GENERAL MOTORS CORP.

    Tighten:  Tighten the nuts to 10 N.m (89 lb in).

  24. Install the washer bottle bracket and nuts (3).

    Tighten:  Tighten the nuts to 10 N.m (89 lb in).

  25. Remove the mechanics wire (3) supporting the radiator.
    Fig 13: Supporting Radiator & A/C Condenser Assembly To Front Inner Energy Absorber Bracket Bolt Using Mechanics Wire
    GM708709Courtesy of GENERAL MOTORS CORP.
  26. Secure the energy absorber bracket nut (1).

    Tighten:  Tighten the nut to 25 N.m (18 lb ft).

  27. Install the anti-lock brake wiring harness to the lower control arms.
    Fig 14: Identifying Anti-Lock Brake Wiring Harness At Lower Control Arms
    GM802031Courtesy of GENERAL MOTORS CORP.
  28. Secure the right rearward retainer (1).
    Fig 15: Identifying Right Rearward Wiring Harness Retainer
    GM708197Courtesy of GENERAL MOTORS CORP.
  29. Secure the left rearward retainer (1).
    Fig 16: Identifying Left Rearward Retainer
    GM708204Courtesy of GENERAL MOTORS CORP.
  30. Secure the engine electrical harness retainers (1) to the frame.
    Fig 17: Identifying Engine Harness-To-Frame Electrical Harness Retainers
    GM708192Courtesy of GENERAL MOTORS CORP.
  31. Install the front air deflector. Refer to Air Deflector Replacement - Front in Body Front End.
  32. Install the front tires and wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  33. Lower the vehicle.
  34. Remove the engine support fixture. Refer to:
  35. Align the vehicle. Refer to Measuring Wheel Alignment in Wheel Alignment.