Installation Procedure

Fig 1: Identifying Utility Stand

Courtesy of GENERAL MOTORS CORP.

If you are replacing the frame, install the following components:
- Both of the lower control arms-Refer to LOWER CONTROL ARM REPLACEMENT .
- The stabilizer shaft-Refer to STABILIZER SHAFT REPLACEMENT .
- The spacers, the upper insulator, the lower insulator, and the retainers-Refer to Front Frame Cushion or Insulator Replacement or to Rear Frame Cushion or Insulator Replacement .
Position the engine support table with the frame under the vehicle.
Lower the vehicle to the frame.

Fig 2: View Of Bolts From Rear Frame Of Body

Courtesy of GENERAL MOTORS CORP.

Fig 3: View Of Bolts From Front Frame Of Body

Courtesy of GENERAL MOTORS CORP.

Loosely install the bolts to secure the front frame to the body.
Align the frame to the body by inserting two 19 X 203 mm (0.74 X 8 in) pins in the alignment holes on the right side of the frame.

NOTE: Refer to FASTENER CAUTION .

Install the front and rear frame bolts.
Tighten:
- Tighten the front bolts to 145 N.m (107 lb ft).
- Tighten the rear bolts to 160 N.m (118 lb ft).
Install the drivetrain reinforcements using the following procedure:
1. Position the drivetrain reinforcements to the font cradle mount stud to the support brace.
2. Loosely install the drivetrain reinforcement to support brace bolts.
3. Install the drivetrain reinforcement to cradle mount nut.
  Tighten:
  - Tighten the drivetrain reinforcement brace nut to 50 N.m (37 lb ft).
  - Tighten the drivetrain reinforcement brace bolts to 25 N.m (18 lb ft).
Connect both the lower ball joints to the steering knuckle. Refer to LOWER CONTROL ARM BALL JOINT REPLACEMENT .
Install the nuts that secure the engine mount to the frame. Refer to ENGINE FRONT MOUNT REPLACEMENT for the 3.8L engine or ENGINE MOUNT REPLACEMENT - LEFT SIDE and ENGINE MOUNT REPLACEMENT - RIGHT SIDE for the 5.3L engine.
Install the nuts which secure the transaxle mount to the frame. Refer to TRANSMISSION MOUNT REPLACEMENT - LEFT SIDE .
Install the steering gear mounting bolts. Refer to STEERING GEAR REPLACEMENT .
Install the stabilizer shaft links. Refer to STABILIZER SHAFT LINK REPLACEMENT .

Fig 4: View Of Front Wheel Speed Sensor Harness Connectors

Courtesy of GENERAL MOTORS CORP.

If applicable, connect the wheel speed sensor wiring harness to the frame and lower control arm.
If applicable, connect the front wheel speed sensor connectors (1).
If applicable, install the front wheel speed harness retainers (2) to the frame and to the lower control arm.
Install the positive battery cable and retainers to the frame. Refer to BATTERY POSITIVE CABLE REPLACEMENT (LY7) or BATTERY POSITIVE CABLE REPLACEMENT (L26) .
Connect any power steering hoses to the frame.
Connect the fog lamp harness connectors.
Install the front tires and wheels. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION .
Lower the vehicle.
Remove the engine support fixture. Refer to ENGINE SUPPORT FIXTURE for the 3.8L engine or ENGINE SUPPORT FIXTURE for the 5.3L engine.
Inspect the front wheel alignment. Refer to WHEEL ALIGNMENT MEASUREMENT .