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Home >> Chevrolet >> 2003 >> Impala LS >> Repair and Diagnosis >> Body & Frame >> Frames, Subframes & Crossmembers >> Frame And Underbody >> Repair Instructions >> Frame Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Rear Frame To Body Bolts
    GM540082Courtesy of GENERAL MOTORS CORP.
  1. If you are replacing the frame, install the following components:
  2. Fig 2: 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 3: Rear Frame To Body Bolts
    GM540082Courtesy of GENERAL MOTORS CORP.
  6. Loosely install the bolts to secure the rear frame to the body.
  7. Fig 4: Front Frame To Body Bolts
    GM540167Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  8. Loosely install the bolts to secure the front and rear 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.

    Tighten: 

    • Tighten the new front frame bolts to 160 N.m (118 lb ft).
    • Tighten the new rear frame bolts to 165 N.m (122 lb ft).

  10. Connect both the lower ball joints to the steering knuckle. Refer to Lower Ball Joint Replacement in Front Suspension.
  11. Install the nuts which secure the engine mount to the frame. Refer to one of the following procedures:
  12. Install the nuts which secure the transaxle mount to the frame. Refer to TRANSAXLE MOUNT .
  13. Remove the power steering gear from the exhaust pipe. Position to the frame.
  14. Install the steering gear mounting bolts. Refer to Power Steering Gear Replacement in Power Steering System.
  15. Install the stabilizer shaft links. Refer to Stabilizer Shaft Link Replacement in Front Suspension.
  16. Fig 5: Front Wheel Speed Sensor Connectors & Harness Retainers
    GM460829Courtesy of GENERAL MOTORS CORP.
  17. Connect both front wheel speed sensor connectors (1), if equipped.
  18. Install both front wheel speed harness retainers (2) to the frame and to the lower control arm, if equipped.
  19. Install the positive battery cable. Refer to Battery Positive Cable Replacement in Engine Electrical.
  20. Install the power steering cooler pipe. Refer to Power Steering Cooler Pipe/Hose Replacement in Power Steering System.
  21. Install the radiator lower air deflector. Refer to Radiator Air Baffle and Deflector Replacement - Lower in Engine Cooling.
  22. Install the front tires and wheels. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  23. Lower the vehicle.
  24. Remove the engine support fixture. Refer to one of the following procedures:
  25. Inspect the front wheel alignment. Refer to Measuring Wheel Alignment in Wheel Alignment.