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Home >> Buick >> 2017 >> Cascada Base >> Repair and Diagnosis >> Steering >> Power Steering System >> Repair Instructions >> Steering Gear Replacement >> Installation Procedure
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Installation Procedure

  1. GM2190439
    CAUTION:

    Ensure that the steering column dash seal is installed properly onto steering gear rack pinion housing. The sealing lip MUST rest on lower steering column cover surface evenly. To ease installation of the seal, apply liquid soap to the sealing lip. After installation, verify that the seal lip does not protrude into the vehicle's interior. Improper installation could result in poor sealing performance and water intrusion into the vehicle.

    NOTE:

    Check correct wiring routing in order to assure correct installation.

    Carefully insert the steering gear (2) through the right wheel house and position the steering gear into installation position.

    2. WARNING:

    Refer to Torque-to-Yield Fastener Warning .

    CAUTION:

    Refer to Fastener Caution .

  2. Tighten the NEW steering gear bolts (4) and nuts (1, 3):
    1. Tighten the bolts and nuts a first pass to 110 N.m (81 lb ft).
    2. Tighten the bolts nuts a final pass to an additional 150 - 165 degrees, using the EN-45059  meter.
  3. GM2190443

    Install and tighten the 2 wiring harness bracket bolts (4) to 9 N.m (80 lb in).

  4. Tighten the wiring harness retainer (1) to the steering gear.
  5. GM2192082
    NOTE:

    Connector latches are difficult to access.

    Connect the electrical connector (1) until you hear it clicks.

  6. Connect the electrical connector (2) until you hear it clicks.
  7. GM2192066
    NOTE:

    The connector latches are difficult to access.

    Connect the electrical connector (3), take care the connector engages audibly.

  8. Push back the lock (2) in opposite direction of the arrow and engage the lock audibly.
  9. GM2190438

    Position the stabilizer shaft (1) and the bracket onto the suspension frame.

    10. WARNING:

    Refer to Torque-to-Yield Fastener Warning .

  10. Install and tighten the NEW right stabilizer shaft insulator clamp bolts (2):
    1. Tighten the bolts a first pass to 22 N.m (16 lb ft).
    2. Tighten the bolts a final pass to an additional 30 degrees, using the EN-45059  meter.
  11. Carefully raise the drivetrain and front suspension frame (1).
  12. GM2190434

    Install the frame reinforcements (1).

  13. Install the frame rear bolts (2) and tighten to 160 N.m (118 lb ft).
  14. GM2028084

    Install the front transmission mount bolt (1) and tighten to 100 N.m (74 lb ft).

  15. Install the rear transmission mount bracket bolt (2) and tighten to 100 N.m (74 lb ft).
  16. GM2190435

    Install and tighten the 4 fasteners (1) of the engine side cover on both sides.

  17. GM2190436

    Install and tighten the 4 fasteners (1) of the front engine compartment cover.

  18. Install the exhaust front pipe. Refer to Exhaust Front Pipe Replacement .
  19. Install the front underbody brace. Refer to Underbody Brace Replacement - Front .
  20. Install the front compartment insulator, if equipped Front Compartment Insulator Replacement .
  21. Install the engine shield, if equipped. Refer to Engine Shield Replacement .
  22. Tighten the steering linkage outer tie rod to the steering knuckle. Refer to Steering Linkage Outer Tie Rod Replacement .
  23. GM2190441

    Install and tighten the NEW lower stabilizer shaft link nut (2) on both sides to 65 N.m (48 lb ft).

  24. Install the intermediate steering shaft to the steering gear. Refer to Intermediate Steering Shaft Replacement .
  25. Install the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation .
  26. Connect the battery. Refer to Battery Negative Cable Disconnection and Connection .
  27. Check and adjust the wheel alignment. Refer to Wheel Alignment Measurement .
  28. Center the steering angle sensor and learn the softend stops. Refer to Power Steering Control Module Calibration .
  29. Program the power steering control module. Refer to Control Module References .
  30. Program the volatile memory. Refer to Volatile Memory Programming .
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