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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1090 (Frame And Underbody) >> Repair Instructions >> Front Frame Replacement (All Wheel Drive) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the lower control arm to the frame. Refer to Lower Control Arm Replacement (AWD) or Lower Control Arm Replacement (RWD) .
  2. Install the stabilizer shaft to the frame. Refer to Stabilizer Shaft Replacement (AWD) or Stabilizer Shaft Replacement (RWD) .

    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.
  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. Fig 1: View of Frame Mounting Bolts
    GM1985491Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  6. Install the frame mountings bolts (2).

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

  7. Raise the vehicle.
  8. Install the engine mount lower retaining nuts (2).

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

  9. Remove the J 39580  from under the vehicle. See Special Tools .
  10. Remove the mechanics wire supporting the power steering gear.
  11. Install the shock module yokes to the lower control arms. Refer to Front Shock Absorber Yoke Replacement .
  12. Install the power steering gear mounting bolts. Refer to Steering Gear Replacement (with All Wheel Drive) or Steering Gear Replacement (with Rear Wheel Drive) .
  13. Install the ball joint to the steering knuckle. Refer to Lower Control Arm Replacement (AWD) or Lower Control Arm Replacement (RWD) .
  14. Install the outer tie rod to the steering knuckle. Refer to Steering Linkage Outer Tie Rod Replacement (with Rear Wheel Drive) or Steering Linkage Outer Tie Rod Replacement (with All Wheel Drive) .
    15. IMPORTANT: Ensure correct position from the previously marked spots.
  15. Tighten the stabilizer shaft bolts.

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

  16. Install the stabilizer shaft link to the lower control arms. Refer to Stabilizer Shaft Link Replacement (AWD) or Stabilizer Shaft Link Replacement (RWD) .
  17. Install the brake pressure modulator valve to the bracket. Refer to Brake Pressure Modulator Valve Replacement .
  18. Install the brake pipes to the frame.
  19. Install the washer bottle bracket to the frame. Refer to Windshield Washer Solvent Container Replacement (Minus CE4) or Windshield Washer Solvent Container Replacement (With CE4) .
  20. Remove the mechanics wire supporting the radiator.
  21. Install the wheel speed sensor wire harness to the frame.
    22. Fig 2: View of Electrical Harness Retainers
    GM1979775Courtesy of GENERAL MOTORS CORP.
  22. Install the electrical harness retainers (1) securing the engine harness (2) to the frame.
  23. Install the front compartment lower noise shield. Refer to Front Compartment Lower Noise Shield Replacement (Rear Wheel Drive)  or Front Compartment Lower Noise Shield Replacement (All Wheel Drive) .
  24. Install the front tires and wheels. Refer to Tire and Wheel Removal and Installation .
  25. Lower the vehicle.
  26. Remove the engine support fixture. Refer to Engine Support Fixture .
  27. Align the vehicle. Refer to Wheel Alignment Measurement .
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