GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 28467-B  Engine Support Fixture
    • J 28467-90A  Engine Support Adapter
    • J 36462-A  Engine Support Adapter Leg Set
  1. Remove the Throttle Body air inlet duct. Refer to Air Cleaner Inlet Duct Replacement for 3.5L or Air Cleaner Assembly Replacement with 3.8L in Engine Controls.
  2. Remove the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection .
  3. Install the Engine Support Fixture. Refer to Engine Support Fixture for 3.5L or Engine Support Fixture with 3.8L in Engine Mechanical.
  4. Tighten the wing nuts only enough to remove the slack from the hooks.
  5. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  6. Position the jackstand under the engine for support.
  7. Remove the front tires and the wheels. Refer to Tire and Wheel Removal and Installation .
  8. Caution: Failure to disconnect the intermediate shaft from the rack and pinion steering gear stub shaft can result in damage to the steering gear or to the intermediate shaft. This damage may cause loss of steering control, which could result in an accident and possible personal injury.

  9. Remove the intermediate shaft from the steering gear stub shaft. Refer to Intermediate Steering Shaft Replacement .
  10. Remove the power steering cooler line pipe brackets if necessary for access. Refer to Power Steering Cooler Pipe/Hose Replacement in Power Steering System.
  11. Remove the steering gear mounting bolts and support steering gear. Refer to Steering Gear Replacement in Power Steering System.
  12. Remove both lower ball joints from the steering knuckles. Refer to Lower Control Arm Ball Joint Replacement .

  13. Object Number: 319188  Size: SH
  14. Remove the engine mount.
  15. • Refer to Engine Mount Replacement with 3.8L.
    • Refer to Engine Mount Replacement with 3.5L.
  16. Remove the transaxle mount. Refer to Transmission Mount Replacement .
  17. Have an assistant hold the frame while removing the body mount bolts.
  18. Remove the frame with both lower control arms and the stabilizer shaft attached.
  19. Work the frame downward toward the rear of the vehicle.

  20. Remove the lower control arms and the stabilizer shaft if replacing the frame. Refer to Lower Control Arm Replacement .

  21. Object Number: 319192  Size: SH
  22. If replacing the frame remove the following components:
  23. • The spacers
    • The upper and the lower insulators
    • The retainers

Installation Procedure


    Object Number: 319192  Size: SH
  1. Install the following components if removed:
  2. • The lower and the upper insulators
    • The spacers
    • The new retainers
    • The insulators must be completely seated against the frame.
  3. Install the lower control arms and the stabilizer shaft if removed. Refer to Lower Control Arm Replacement .
  4. Position the frame with the aid of an assistant and install the new body mount bolts but do not tighten.
  5. Align the frame to the body by inserting two (2) 19 mm (0.74 in) diameter by 203 mm (8.0 in) long pins in alignment holes on the right side of the frame.
  6. 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.

  7. Install the new frame bolts.
  8. Tighten
    Tighten the new frame bolts to 180 N·m (133 lb ft).


    Object Number: 319188  Size: SH
  9. Install the engine mounts.
  10. 6.1. Refer to Engine Mount Replacement with 3.8L.
    6.2. Refer to Engine Mount Replacement with 3.5L.
  11. Install the transaxle mounts. Refer to Transmission Mount Replacement .
  12. Install the lower the ball joints. Refer to Lower Control Arm Ball Joint Replacement .
  13. Install the steering gear mounting bolts. Refer to Steering Gear Replacement .
  14. Install the power steering cooler line pipe brackets if removed. Refer to Power Steering Cooler Pipe/Hose Replacement in Power Steering System.
  15. Install the intermediate shaft to steering hear stub shaft. Refer to Intermediate Steering Shaft Replacement .
  16. Install the front tires and the wheels. Refer to Tire and Wheel Removal and Installation .
  17. Remove the jackstand and the lower the vehicle.
  18. Remove the engine support fixture. Refer to Engine Support Fixture .
  19. Install the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection
  20. Install the Throttle Body air Inlet duct . Refer to Air Cleaner Inlet Duct Replacement with 3.5L or Air Cleaner Assembly Replacement with 3.8L in Engine Controls.
  21. Inspect the front wheel alignment and adjust if necessary. Refer to Wheel Alignment Specifications .