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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 642 (POWER STEERING SYSTEM)REPAIR INSTRUCTIONSSTEERING GEAR REPLACEMENTINSTALLATION PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure
WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the power steering gear through the left wheel opening.
  2. If equipped with the LH2 engine and AWD, perform the following steps:
      CAUTION: Refer to Fastener Caution .
    1. Install the left brake pipe to the brake hose and tighten to 27 N.m (20 lb ft).
    2. Install the bolt in order to retain the rear of the left front lower control arm to the frame.
      3. NOTE: Tighten the lower control arm nut with the lower control arm at normal vehicle ride height.
    3. Install the lower control arm nut to the bolt and tighten to 135 N.m (96 lb ft).
    3. Fig 1: Power Steering Gear Mounting Bolts
    GM874631Courtesy of GENERAL MOTORS CORP.
  3. Install the power steering gear retaining bolts and tighten to 180 N.m (133 lb ft).
  4. If equipped with AWD, perform the following steps:
    1. Lower the differential housing.
      2. Fig 2: Engine Mount Retaining Nuts
      GM1067552Courtesy of GENERAL MOTORS CORP.
    2. Install the right lower engine mount to frame nut and tighten to 80 N.m (59 lb ft).
    3. Remove the support from the bottom of the differential housing.
    5. Fig 3: Power Steering Gear & Hoses
    GM2176697Courtesy of GENERAL MOTORS CORP.
  5. Install the power steering hoses (1, 3) to the power steering gear.
    6. Fig 4: Power Steering Gear Inlet Hose-To-Power Steering Gear Retaining Bolt
    GM1301495Courtesy of GENERAL MOTORS CORP.
  6. Install the power steering hoses to power steering gear retaining bolt and tighten to 23 N.m(17 lb ft).
  7. Remove the drain pan from under the vehicle.
    8. Fig 5: Outer Tie Rod Retaining Nuts
    GM886244Courtesy of GENERAL MOTORS CORP.
  8. Install the outer tie rod to the steering knuckles and tighten the nuts to 70 N.m (52 lb ft).
    9. Fig 6: Variable Effort Steering Electrical Connector
    GM909110Courtesy of GENERAL MOTORS CORP.
  9. Connect the variable effort steering harness connector.
    10. Fig 7: Intermediate Shaft Lower Pinch Bolt
    GM907425Courtesy of GENERAL MOTORS CORP.
  10. Connect the intermediate shaft to the power steering gear.
  11. Install the intermediate shaft lower pinch bolt and tighten to 50 N.m (37 lb ft).
  12. Install the left side engine splash shield. Refer to Engine Splash Shield Replacement .
  13. Install the tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation .
  14. If you removed the front air deflector, install the front air deflector. Refer to Front Air Deflector Replacement .
  15. Lower the vehicle.
    16. Fig 8: Locking/Unlocking Steering Column
    GM333146Courtesy of GENERAL MOTORS CORP.
  16. Remove the J 42640:  Pin from the steering column.
  17. Bleed the power steering system. Refer to Power Steering System Bleeding .
  18. Adjust the front toe. Refer to Wheel Alignment - Steering Wheel Angle and/or Front Toe Adjustment .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.