GM Service Manual Online
For 1990-2009 cars only

Steering Gear Rack Bearing Preload Adjustment - Off Vehicle Quiet Valve


    Object Number: 423455  Size: SH
  1. Loosen the adjuster plug lock nut (1).
  2. Turn the adjuster plug clockwise until the adjuster plug bottoms in the gear assembly.
  3. Turn the adjuster plug back 50 degrees to 70 degrees (approximately 1 flat).
  4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Install the adjuster plug lock nut (1) to the adjuster plug. Hold the adjuster plug stationary while tightening the adjuster plug lock nut (1).
  6. Tighten
    Tighten the lock nut to 75 N·m (55 lb ft).