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Home >> Chevrolet >> 2008 >> Uplander Base, 3.9 W >> Repair and Diagnosis >> Steering >> Power Steering System >> Repair Instructions >> Steering Gear Replacement >> Installation Procedure

Installation Procedure

  1. Install the steering gear through the left side wheel opening.
    2. Fig 1: View Power Steering Gear Mounting Nuts And Bolts
    GM1801645Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: This is a prevailing torque type fastener. This fastener may be reused ONLY if:
    • The fastener and its counterpart are clean and free from rust.
    • The fastener develops 2 N.m (18 lb in) of torque (drag) against its counterpart prior to the fastener seating.

    If the fastener does not meet these criteria, REPLACE the fastener.
    NOTE: Refer to Fastener Notice .
  2. Install the steering gear nuts (1) and bolts (2).

    Tighten:  Tighten the nuts and bolts to 60 N.m (44 lb ft) plus 60 degrees.

    3. Fig 2: Power Steering Gear Inlet Pipe/Hose And Power Steering Cooler Pipe/Hose
    GM1801586Courtesy of GENERAL MOTORS CORP.
  3. Using NEW O-ring seals, connect the power steering gear inlet hose (1) and power steering cooler hose (2) to the steering gear (3).

    Tighten:  Tighten the fittings to 27 N.m (20 lb ft)

  4. Using the jack stand, raise the rear of the cradle support.
  5. Install the 2 rear cradle support bolts.

    Tighten:  Tighten the bolts to 165 N.m (122 lb ft).

  6. Remove the jack stand.
    7. Fig 3: View Of Intermediate Shaft Pinch Bolt
    GM1831763Courtesy of GENERAL MOTORS CORP.
  7. Install the intermediate steering shaft pinch bolt to the steering gear.

    Tighten:  Tighten the bolt to 48 N.m (35 lb ft).

  8. Position the rack and pinion outer tie rods into the steering knuckles.
    9. Fig 4: View Of Outer Tie Rod Castle Nut
    GM1801218Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: This is a prevailing torque type fastener. This fastener may be reused ONLY if:
    • The fastener and its counterpart are clean and free from rust.
    • The fastener develops 2 N.m (18 lb in) of torque (drag) against its counterpart prior to the fastener seating.

    If the fastener does not meet these criteria, REPLACE the fastener.
    IMPORTANT: Ensure that 2.5-4.5 tie rod end threads are visible beyond the tie rod nut nylon.
  9. Install the rack and pinion outer tie rod nuts.

    Tighten:  Tighten the nuts to 30 N.m (22 lb ft) + 120 degrees (2 flats).

  10. Clean any excess fluid from the vehicle and remove the drain pans.
  11. Install the stabilizer shaft. Refer to Stabilizer Shaft Replacement (with Rear Twist Axle) .
  12. Install the steering gear heat shield. Refer to Steering Gear Heat Shield Replacement 
  13. Fill and bleed the power steering system. Refer to Power Steering System Bleeding .
  14. Adjust front toe as necessary. Refer to Front Toe Adjustment .
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