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Home >> Chevrolet >> 2004 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 336 (Frame And Underbody) >> Repair Instructions >> Front Frame Replacement (4.6L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2006 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the control arms. Refer to Lower Control Arm Replacement .
  2. Lower the vehicle onto the engine frame.
    3. Fig 1: Identifying Frame Insulators & Frame-To-Body Guide Pin Holes
    GM105376Courtesy of GENERAL MOTORS CORP.
  3. Using dowel pins in the alignment holes (1), align the engine frame (2) with the vehicle.
    4. NOTE: Refer to Fastener Notice .
  4. Install the engine frame insulator retainer bolts in order to retain the engine frame to the vehicle.

    Tighten:  Tighten the retainers to 181 N.m (133 lb ft).

  5. Check the front wheel alignment. Refer to Wheel Alignment Specifications .
    6. Fig 2: Locating Jackstands Under Engine Frame
    GM333761Courtesy of GENERAL MOTORS CORP.
  6. Raise the vehicle away from the jack stands supporting the engine frame.
    7. Fig 3: View Of Mount To Sub-Frame
    GM154973Courtesy of GENERAL MOTORS CORP.
  7. Install the fasteners in order to retain the rear transaxle mount (1) to the bracket.

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

    8. Fig 4: Removing/Installing Left Transaxle Mount To Engine Frame
    GM105510Courtesy of GENERAL MOTORS CORP.
  8. Install the fastener in order to retain the front engine mount to the engine frame.

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

  9. Install the fasteners in order to retain the steering gear to the engine frame.

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

    10. Fig 5: View Of Steering Rack & Related Components
    GM460600Courtesy of GENERAL MOTORS CORP.
  10. Install the bracket (2) to retain the power steering line (1) to the engine frame.
  11. Install the clips (3) retaining power steering line (4) along engine frame rail.
  12. Connect the wiring harness to the heat shield.
    13. Fig 6: View Of Steering Gear Heat Shield & Fasteners
    GM460601Courtesy of GENERAL MOTORS CORP.
  13. Install the steering gear heat shield (2) to the vehicle.

    Tighten:  Tighten the retainers to 9 N.m (80 lb in).

  14. Install the secondary air injection pump to the vehicle. Refer to Secondary Air Injection Pump Replacement .
  15. Install the brake pressure modulator valve. Refer to Brake Pressure Modulator Valve Replacement .
  16. Install the ESC sensor links to the lower control arm ball studs.
  17. Install the front air deflector. Refer to Front Air Deflector Replacement .
  18. Install the ball joints to the steering knuckle. Refer to Lower Control Arm Ball Joint Replacement .
  19. Install the front tires and wheels. Refer to Tire and Wheel Removal and Installation .
  20. Install the stabilizer shaft. Refer to Stabilizer Shaft Replacement .
    21. Fig 7: View Of J 28467-A Supporting Engine
    GM333115Courtesy of GENERAL MOTORS CORP.
  21. Lower the vehicle.
  22. Remove the J 28467-A  , supporting the engine.
  23. Check the front wheel alignment. Refer to Wheel Alignment Specifications .
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