- Install the lower control arms to the frame. Refer to
Lower Control Arm Replacement
in Front Suspension.
- Apply a thin layer of GM P/N 12345884 (or equivalent)
to the frame insulators.
- Install the frame insulators to the frame. Refer to
Front Frame Cushion or Insulator Replacement
and to
Rear Frame Cushion or Insulator Replacement
.
- Position J 39580
and frame under the vehicle.
Important: Ensure that the power steering cooler line does not become trapped by
the engine mount during this step.
- Lower the vehicle and align the guide pins to the body.
Important: Ensure that the alignment pins remain installed during the frame installation.
- Insert two 19 X 203 mm (0.75 X 8.0 in)
guide pins or drill bits into the frame right side alignment holes in order
to align the frame.
Caution: These fasteners MUST be replaced with new fasteners anytime they become
loose or are removed. Failure to replace these fasteners after they become
loose or are removed may cause loss of vehicle control and personal
injury.
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.
- Install the NEW frame front bolts.
Tighten
Tighten the bolts to 135 N·m (100 lb ft).
Caution: These fasteners MUST be replaced with new fasteners anytime they become
loose or are removed. Failure to replace these fasteners after they become
loose or are removed may cause loss of vehicle control and personal
injury.
- Install the NEW frame rear bolts.
Tighten
Tighten the bolts to 180 N·m (133 lb ft).
- Remove the alignment pins from the frame.
- Install the transaxle mount nuts. Refer to
Transmission Mount Replacement
in Automatic Transaxle.
- Install the engine mount nuts. Refer to
Engine Mount Replacement
in Engine Mechanical.
- Install the wheel speed sensor wiring harnesses to the lower control
arms.
- Install the wheel speed sensor electrical connectors.
- Install the lower ball joints to the steering knuckles. Refer
to
Lower Control Arm Ball Joint Replacement
in
Front Suspension.
- Install the power steering cooler pipe to the frame. Refer to
Power Steering Cooler Pipe/Hose Replacement
in
Power Steering.
- Install the power steering gear to the frame. Refer to
Steering Gear Replacement
in Power Steering.
- Install the power steering gear heat shield. Refer to
Steering Gear Heat Shield Replacement
in
Power Steering.
- Install the stabilizer shaft. Refer to
Stabilizer Shaft Replacement
in Front Suspension.
- Install both tie rod ends to the steering knuckles. Refer to
Rack and Pinion Outer Tie Rod End Replacement
in Power Steering.
- Install the front tires and wheels. Refer to
Wheel Removal
in Tires and Wheels.
- Lower the vehicle.
- Remove the engine support fixture. Refer to
Engine Support Fixture
in Engine Mechanical.
- Inspect the front wheel alignment and adjust the toe angle if
necessary. Refer to
Wheel Alignment Measurement
in Wheel Alignment.