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Home >> Buick >> 2004 >> Century Base >> Repair and Diagnosis >> Body & Frame >> Frames, Subframes & Crossmembers >> Frame And Underbody >> Repair Instructions >> Frame Replacement >> Installation Procedure
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Installation Procedure

  1. If you are replacing the frame, install the following components:
  2. Fig 1: Identifying Utility Stand
    GM333118Courtesy of GENERAL MOTORS CORP.
  3. Position the engine support table with the frame under the vehicle.
  4. Lower the vehicle to the frame.
  5. Fig 2: View Of Rear Frame
    GM319192Courtesy of GENERAL MOTORS CORP.
  6. Loosely install the bolts which secure the rear frame to the body.
  7. Fig 3: View Of Front Frame Bolts And Retainers
    GM319188Courtesy of GENERAL MOTORS CORP.
  8. Loosely install the bolts which secure the front frame to the body.
  9. Align the frame to the body by inserting two 19x203 mm (0.74x8.0 in) pins in the alignment holes on the right side of the frame.
  10. NOTE: Refer to Fastener Notice in Cautions and Notices.
  11. Install the frame bolts.

    Tighten:  Tighten the bolts to 180 N.m (133 lb ft).

  12. Connect both the lower ball joints to the steering knuckle. Refer to Lower Ball Joint Replacement in Front Suspension.
  13. Install the nuts which secure the engine mount to the frame. Refer to the following procedures:
  14. Install the nuts which secure the transaxle mount to the frame. Refer to Automatic Transmission Mount Replacement in Automatic Transaxle.
  15. Install the steering gear mounting bolts. Refer to Power Steering Gear Replacement in Power Steering System.
  16. Install the stabilizer shaft links. Refer to Stabilizer Shaft Link Replacement in Front Suspension.
  17. Fig 4: Front Wheel Speed Sensor Connectors & Harness Retainers
    GM460829Courtesy of GENERAL MOTORS CORP.
  18. Connect both speed sensor connectors (1) to the front wheels, if equipped.
  19. Install both front wheel speed harness retainers (2) to the frame and to the lower control arm, if equipped.
  20. Install the positive battery cable and retainers to the frame. Refer to Battery Positive Cable Replacement in Engine Electrical.
  21. Install the power steering cooler pipe. Refer to Power Steering Cooler Pipe/Hose Replacement (L26) in Power Steering System.
  22. Install the radiator lower air deflector. Refer to Radiator Air Baffle and Deflector Replacement - Lower in Engine Cooling.
  23. Connect the fog lamp electrical connectors.
  24. Install the front tires and wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  25. Lower the vehicle.
  26. Remove the engine support fixture. Refer to the following procedures:
  27. Inspect the front wheel alignment. Refer to Measuring Wheel Alignment in Wheel Alignment.