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SMU - Revised Power Steering Gear Replacement

Subject:Revised Power Steering Gear Replacement

Models:2004-2006 Chevrolet Colorado
2004-2006 GMC Canyon
2006 HUMMER H3



This bulletin is being issued to revise the Power Steering Gear Replacement procedure in the Power Steering System sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.

The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.

Power Steering Gear Replacement (Colorado/Canyon)

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove both of the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the engine protection shield if equipped. Refer to Engine Protection Shield Replacement in Frame and Underbody.
  4. Disconnect the outer tie rod end from the steering knuckle. Refer to Rack and Pinion Outer Tie Rod End Replacement.
  5. Place a drain pan to catch the fluid.

  6. Object Number: 1207235  Size: SH
  7. Disconnect the power steering hose assembly from the steering gear. Refer to Power Steering Gear Inlet and Outlet Hose Replacement.
  8. Remove the coupler clamp bolt from the intermediate shaft. Refer to Intermediate Steering Shaft Replacement - Lower in Steering Wheel and Column.
  9. Separate the intermediate shaft from the steering gear.

  10. Object Number: 1207228  Size: SH
  11. Remove the steering gear vertical mounting nuts, the washers and the bolts.

  12. Object Number: 1339814  Size: SH
  13. On 4WD vehicles, support the front carrier and remove the drivers side mounting bracket-to-frame bolts.
  14. Move LH side of the front carrier rearward enough to remove the gear.

  15. Object Number: 1207227  Size: SH
  16. Remove the steering gear horizontal mounting nuts, the washers and the bolts.
  17. Remove the steering gear RH isolator bracket.
  18. Remove the crossmember, 2WD ONLY. Refer to Crossmember Replacement in Frame and Underbody.
  19. Remove the steering gear from the vehicle.

Installation Procedure

  1. Install the steering gear into the vehicle.
  2. Install the steering gear RH isolator bracket.

  3. Object Number: 1207227  Size: SH
  4. Loose install the steering gear horizontal mounting nuts, the washers and the bolts.

  5. Object Number: 1339814  Size: SH

    Notice: Refer to Fastener Notice in Cautions and Notices.

  6. On 4WD vehicles, install the drivers side carrier mounting bracket-to-frame bolts.
  7. Tighten
    Tighten the bolts to 152 N·m (112 lb ft).

  8. Remove the front carrier support.
  9. Install the crossmember, 2WD ONLY. Refer to Crossmember Replacement in Frame and Underbody.

  10. Object Number: 1207228  Size: SH
  11. Loose install the steering gear vertical mounting nuts, the washers and the bolts.
  12. Tighten

        • Tighten the long bolts to 130 N·m (96 lb ft).
        • Tighten the isolator clamp bolts to 100 N·m (74 lb ft).
  13. Install the intermediate shaft to the steering gear.
  14. Install the coupler clamp bolt to the intermediate shaft. Refer to Intermediate Steering Shaft Replacement - Lower in Steering Wheel and Column.

  15. Object Number: 1207235  Size: SH
  16. Connect the power steering hose assembly to the steering gear. Refer to Power Steering Gear Inlet and Outlet Hose Replacement.
  17. Install the engine protection shield, if equipped. Refer to Engine Protection Shield Replacement in Frame and Underbody.
  18. Install the outer tie rod end to the steering knuckle. Refer to Rack and Pinion Outer Tie Rod End Replacement.
  19. Install both of the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  20. Lower the vehicle.
  21. Bleed the power steering system. Refer to Bleeding the Power Steering System.
  22. Check the wheel alignment. Refer to Measuring Wheel Alignment in Wheel Alignment.

Power Steering Gear Replacement (H3)

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove both of the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation.
  3. Remove the engine shield. Refer to Engine Shield Replacement.
  4. Disconnect the outer tie rod end from the steering knuckle. Refer to Rack and Pinion Outer Tie Rod End Replacement.
  5. Place a drain pan to catch the fluid.

  6. Object Number: 1207235  Size: SH
  7. Disconnect the power steering hose assembly from the steering gear. Refer to Power Steering Gear Inlet and Outlet Hose Replacement.
  8. Remove the coupler clamp bolt from the intermediate shaft. Refer to Intermediate Steering Shaft Replacement - Lower.
  9. Separate the intermediate shaft from the steering gear.

  10. Object Number: 1207228  Size: SH
  11. Remove the steering gear vertical mounting nuts, the washers and the bolts.

  12. Object Number: 1207227  Size: SH
  13. Remove the steering gear horizontal mounting nuts, the washers and the bolts.
  14. Remove the steering gear RH isolator bracket.
  15. Remove the steering gear from the vehicle.

Installation Procedure

  1. Install the steering gear into the vehicle.

  2. Object Number: 1207227  Size: SH
  3. Install the steering gear RH isolator bracket.
  4. Loose install the steering gear horizontal mounting nuts, the washers and the bolts.

  5. Object Number: 1207228  Size: SH

    Notice: Refer to Fastener Notice.

  6. Loose install the steering gear vertical mounting nuts, the washers and the bolts.
  7. Tighten

        • Tighten the long bolts to 130 N·m (96 lb ft).
        • Tighten the isolator clamp bolts to 100 N·m (74 lb ft).
  8. Install the intermediate shaft to the steering gear.
  9. Install the coupler clamp bolt to the intermediate shaft. Refer to Intermediate Steering Shaft Replacement - Lower.

  10. Object Number: 1207235  Size: SH
  11. Connect the power steering hose assembly to the steering gear. Refer to Power Steering Gear Inlet and Outlet Hose Replacement.
  12. Install the engine shield. Refer to Engine Shield Replacement.
  13. Install the outer tie rod end to the steering knuckle. Refer to Rack and Pinion Outer Tie Rod End Replacement.
  14. Install both of the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation.
  15. Lower the vehicle.
  16. Bleed the power steering system. Refer to Bleeding the Power Steering System.
  17. Check the wheel alignment. Refer to Measuring Wheel Alignment.