GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 44015 Steering Linkage Installer
    • SA91100C Tie Rod Separator
    • SA9140E Torque Angle Gage

Removal Procedure


    Object Number: 859978  Size: SH
  1. Disconnect negative battery cable.
  2. Caution: Ensure that the vehicle is properly supported and squarely positioned. To help avoid personal injury when a vehicle is on a hoist, provide additional support for the vehicle on the opposite end from which the components are being removed.

  3. Raise vehicle on hoist.
  4. Remove front wheels and tires.

  5. Object Number: 859978  Size: SH
  6. Remove and discard torque prevailing nut. A new nut will be required during assembly.

  7. Object Number: 859514  Size: SH

    Notice: Do not attempt to separate the joint using a wedge-type tool because seal may be damaged.

  8. Using SA91100C (or equivalent), remove tie rod ends from steering knuckle.

  9. Object Number: 860035  Size: SH

    Important: Remove front section of splash shield first, then rear.

  10. Remove left side splash shield.
  11. 6.1. Remove two push pins.

            Important: If molded-in fasteners are damaged or broken, drill out with a 5/16 in. bit and replace with a push pin.

    6.2. Remove lower shield to cradle molded-in fasteners at cradle by gently prying at three fastener locations.

    Object Number: 862315  Size: SH
  12. Loosen intermediate steering shaft cover from steering gear and move up enough to access pinch bolt.
  13. Remove pinch bolt.

  14. Object Number: 862140  Size: SH
  15. Place an approved drain container under pressure and return hoses at steering gear.
  16. Remove power steering pump pressure and return hoses from steering gear and allow system to drain.

  17. Object Number: 862251  Size: SH
  18. Remove steering gear-to-frame fasteners and remove steering gear from vehicle through left fender well.

Installation Procedure


    Object Number: 862251  Size: SH
  1. Place steering gear in vehicle.
  2. Install steering gear-to-frame bolts and new nuts.
  3. Tighten
    Tighten Steering Gear-to-Frame Fasteners 50 N·m (37 lbs ft).


    Object Number: 862315  Size: SH

    Important: Use Loctite 242® Threadlocker (or equivalent) on thread of pinch bolt.

  4. Install intermediate shaft onto steering gear and torque the pinch bolt.
  5. Tighten
    Tighten Intermediate Steering Shaft-to-Steering Gear Pinch Bolt 47 N·m (35 lbs ft).


    Object Number: 862346  Size: SH
  6. Install power steering pressure and return hoses.
  7. Tighten
    Tighten Power Steering Hoses-to-Steering Gear 27.5 N·m (20 lbs ft).


    Object Number: 860035  Size: SH

    Important: Install rear section of splash shield first.

  8. Install left side splash shield.
  9. Install tabs in body cut-out.
  10. Important: Make sure splash shield flaps are tucked in at body locations.

  11. Align molded-in shield fasteners with holes in cradle. Push straight in to install.
  12. Install push pins.

  13. Object Number: 859978  Size: SH

    Important: Tie rod end threads must be thoroughly cleaned before tightening nut. Do not lubricate any portion of the stud.

    Important: Use new nut, torque retention of old nut may not be sufficient.

  14. Seat tie rod end into steering knuckle by using J 44015 or equivalent.
  15. Tighten
    Tighten Tie Rod Linkage Installer 45 N·m (36 lbs ft).

    Important: This procedure requires SA9140E (or equivalent).

  16. Remove linkage installer and install new tie rod end nut.
  17. Tighten
    Tighten Tie Rod-to-Steering Knuckle Nut 25 N·m (19 lbs ft) +134°.

    Important: Lower control arm ball stud threads should be thoroughly cleaned and lubricated before installing and tightening nut.

  18. Tighten ball joint stud castle nut.
  19. Tighten
    Tighten Ball Joint Stud Castle Nut 75 N·m (55 lbs ft).

    Important: If necessary to rotate castle nut to align with the hole in stud, always tighten the nut to align it; never loosen it. Install new cotter pin.

  20. Connect negative battery cable.
  21. Tighten
    Tighten Battery Cable Bolts 17 N·m (13 lbs ft).

    Notice: Before installing wheels, remove rust or corrosion from wheel mounting surfaces and brake rotors/drums. Failure to do so can cause wheel nuts to loosen in service.

  22. Position wheel onto hub.
  23. Install wheel nuts and tighten in a crisscross pattern. Repeat tightening pattern to make sure torque is correct.
  24. Tighten
    Tighten Wheel Nuts 140 N·m (103 lbs ft).

  25. Set toe. Refer to Wheel Alignment Specifications in Wheel Alignment.
  26. Bleed power steering system. Refer to Power Steering System Bleeding .