Tools Required
J 39580 
 Universal Engine Support Table
Removal Procedure
- Install the engine support fixture to support the engine/transaxle assembly. Refer to 
Engine Support Fixture
 for the 3.5L engine, 
Engine Support Fixture
 for the 3.9L
engine, 
Engine Support Fixture
 for the 5.3L engine.
 
- Raise and support the vehicle. Refer to 
Lifting and Jacking the Vehicle
 .
 
- Remove the front tires and wheels. Refer to 
Tire and Wheel Removal and Installation
 .
 
- Remove the lower radiator air deflector. Refer to 
Radiator Air Lower Baffle and Deflector Replacement
 .
 
- Remove the positive battery cable retainers. Position the positive battery cable aside. Refer to 
Battery Positive and Negative Cable Replacement
 .
 
- Disconnect the power steering cooler pipe from the frame. Refer to 
Power Steering Cooler Pipe/Hose Replacement
 .
 
- Secure the power steering cooler to the exhaust pipe.
 
- Remove the stabilizer shaft links. Rotate the stabilizer shaft up to gain access to the mounting bolts for the power steering gear. Refer to 
Stabilizer Shaft Link Replacement
 .
 
- Remove the mounting bolts for the power steering gear. Refer to 
Steering Gear Replacement
 .
 
- Secure the power steering gear.
 
- Remove the nuts which secure the engine mount to the frame. Refer to 
Engine Mount Replacement
 for the 3.5L engine, 
Engine Mount Replacement
 for the 3.9L engine, 
Engine Mount Replacement - Left Side
 and 
Engine Mount Replacement - Right Side
 for the 5.3L engine.
 
- Remove the nuts which secure the transaxle mount to the frame. Refer to 
Transmission Mount Replacement - Left Side
 for the 4T65-E transaxle.
 
- Disconnect both front wheel speed sensor connectors (1), if equipped.
 
- Remove both front wheel speed harness retainers (2) from the frame and the lower control arms, if equipped.
 
- Separate both of the lower ball joints from the steering knuckle. Refer to 
Lower Control Arm Ball Joint Replacement
 .
 
- Lower the vehicle until the frame contacts 
J 39580 
 .
 
- Remove the frame reinforcement nuts (3).
 
- Remove the frame reinforcement bolts (1).
 
- Remove the frame reinforcements (2).
 
- Remove the bolts (1) which secure the frame to the body.
 
- Raise the vehicle in order to separate the frame from the body.
 
- If you are replacing the frame, remove the following components:
 
Installation Procedure
- If you are replacing the frame, install the following components:
 
- Position the engine support table with the frame under the vehicle.
 
- Lower the vehicle to the frame.
 
Notice: Refer to Fastener Notice in the Preface section.
-  Loosely install the bolts (1) to secure the frame to the body.
 
- Align the frame to the body by inserting two 19X203 mm (0.74X8.0 in) pins in the alignment holes (2) on the right side of the frame.
 
Tighten
|     •  | Tighten the new front frame bolts to 145 N·m (107 lb ft). | 
 
|     •  | Tighten the new rear frame bolts to 160 N·m (118 lb ft). | 
 
- Install the frame reinforcements (2).
 
- Install the frame reinforcement bolts (1).
 
Tighten
Tighten the bolts to 20 N·m (15 lb ft).
- Install the frame reinforcement nuts (3).
 
Tighten
Tighten the nuts to 20 N·m (15 lb ft).
- Connect both the lower ball joints to the steering knuckle. Refer to 
Lower Control Arm Ball Joint Replacement
 .
 
- Install the nuts which secure the engine mount to the frame. Refer to 
Engine Mount Replacement
 for the 3.5L engine, 
Engine Mount Replacement
 for the 3.9L engine, 
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
 for the 4T65-E transaxle.
 
- Remove the power steering gear from the exhaust pipe. Position to the frame.
 
- Install the steering gear mounting bolts. Refer to 
Steering Gear Replacement
 .
 
- Install the stabilizer shaft links. Refer to 
Stabilizer Shaft Link Replacement
 .
 
- Connect both front wheel speed sensor connectors (1), if equipped.
 
- Install both front wheel speed harness retainers (2) to the frame and to the lower control arm, if equipped.
 
- Install the positive battery cable. Refer to 
Battery Positive and Negative Cable Replacement
 .
 
- Install the power steering cooler pipe. Refer to 
Power Steering Cooler Pipe/Hose Replacement
 .
 
- Install the radiator lower air deflector. Refer to 
Radiator Air Lower Baffle and Deflector Replacement
 .
 
- 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 3.5L engine, 
Engine Support Fixture
 for the 3.9L engine, 
Engine Support Fixture
 for the 5.3L engine.
 
- Inspect the front wheel alignment. Refer to 
Wheel Alignment Measurement
 .