Front Frame Replacement

Front Frame Replacement (All Wheel Drive)

Special Tools

J 39580 Engine Support Stand

Removal Procedure

1. Install the engine support fixture. Refer to Engine Support Fixture (Engine Support Fixture).
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
3. Remove the front wheels. Refer to Tire and Wheel Removal and Installation (Service and Repair).
4. Remove the front compartment lower noise shield. Refer to Front Compartment Lower Noise Shield Replacement (All Wheel Drive) (Front Compartment Lower Noise Shield Replacement)Front Compartment Lower Noise Shield Replacement (Rear Wheel Drive) (Front Compartment Lower Noise Shield Replacement).




5. Remove the electrical harness retainers (1) securing the engine harness (2) to the frame.
6. Remove the wheel speed sensor wire harness from the frame.
7. Remove the brake pipes from the frame.
8. Remove the brake pressure modulator valve from the bracket assembly. Refer to Brake Pressure Modulator Valve Replacement (CTS) (Service and Repair)Brake Pressure Modulator Valve Replacement (CTS-V) (Service and Repair).
9. Using mechanics wire, support the radiator and AC condenser assembly to the vehicle body.

Note: Mark the stabilizer shaft to ensure the correct position when reinstalling.

10. Loosen the stabilizer shaft mounting bolts.
11. Remove the antilock brake system wire harness from the sway bar links.
12. Remove the lower stabilizer shaft link from the lower control arm. Refer to Stabilizer Shaft Link Replacement (AWD) (Front Suspension)Stabilizer Shaft Link Replacement (RWD) (Front Suspension).
13. Remove the power steering gear mounting bolts. Refer to Steering Gear Replacement (Left Hand Drive and All Wheel Drive) (Service and Repair)Steering Gear Replacement (Left Hand Drive and Rear Wheel Drive) (Service and Repair)Steering Gear Replacement (Right Hand Drive and Rear Wheel Drive) (Service and Repair).
14. Using mechanics wire secure the power steering gear to the engine.
15. Remove the lower control arms. Refer to Lower Control Arm Replacement (AWD) (Front Suspension)Lower Control Arm Replacement (RWD) (Front Suspension).
16. Remove the power steering and brake line retainers from the frame.
17. Remove the engine mounts lower retaining nuts.




18. Install J 39580 under the frame.
19. Lower the vehicle to the frame support table.
20. Remove the frame mounting bolts (1, 2).
21. With the aid of an assistant, carefully raise the body from the frame.
22. Ensure when raising the body the following items are clear from the frame.

* Brake pipes
* Steering knuckles
* Electrical wiring harnesses

23. Remove the stabilizer shaft. Refer to Stabilizer Shaft Replacement (RWD) (Front Suspension)Stabilizer Shaft Replacement (AWD) (Front Suspension).
24. With the aid of an assistant, remove the frame from the support fixture.

Installation Procedure

1. Install the stabilizer shaft to the frame. Refer to Stabilizer Shaft Replacement (RWD) (Front Suspension)Stabilizer Shaft Replacement (AWD) (Front Suspension).
Do not tighten the stabilizer shaft mounting bolts at this time.
2. With the aid of an assistant, position and secure the new frame assembly to the support fixture.
3. With the aid of an assistant, carefully lower the body to the frame.
4. Ensure the following components are clear from the frame.

* The electrical harness
* The steering knuckle assembly
* The brake pipes





Caution: Refer to Fastener Caution (Fastener Caution).

5. Install the frame mountings bolts (2) and tighten to 191 Nm (141 lb ft).
6. Install the frame to body bolts (1) and tighten to 250 Nm (180 lb ft)
7. Raise the vehicle.
8. Install the engine mount lower retaining nuts (2) and tighten to 50 Nm (37 lb ft).
9. Remove the J 39580 from under the vehicle.
10. Install the power steering and brake line retainers to the frame.
11. Remove the mechanics wire supporting the power steering gear.
12. Install the power steering gear mounting bolts. Refer to Steering Gear Replacement (Left Hand Drive and All Wheel Drive) (Service and Repair)Steering Gear Replacement (Left Hand Drive and Rear Wheel Drive) (Service and Repair)Steering Gear Replacement (Right Hand Drive and Rear Wheel Drive) (Service and Repair).
13. Install the lower control arms. Refer to Lower Control Arm Replacement (AWD) (Front Suspension)Lower Control Arm Replacement (RWD) (Front Suspension).

Note: Ensure correct position from the previously marked spots.

14. Tighten the stabilizer shaft bolts to 110 Nm (81 lb ft).
15. Install the stabilizer shaft link to the lower control arms. Refer to Stabilizer Shaft Link Replacement (AWD) (Front Suspension)Stabilizer Shaft Link Replacement (RWD) (Front Suspension).
16. Install the brake pressure modulator valve to the bracket. Refer to Brake Pressure Modulator Valve Replacement (CTS) (Service and Repair)Brake Pressure Modulator Valve Replacement (CTS-V) (Service and Repair).
17. Install the brake pipes to the frame.
18. Remove the mechanics wire supporting the radiator.
19. Install the wheel speed sensor wire harness to the frame.




20. Install the electrical harness retainers (1) securing the engine harness (2) to the frame.
21. Install the front compartment lower noise shield. Refer to Front Compartment Lower Noise Shield Replacement (All Wheel Drive) (Front Compartment Lower Noise Shield Replacement)Front Compartment Lower Noise Shield Replacement (Rear Wheel Drive) (Front Compartment Lower Noise Shield Replacement).
22. Install the front tires and wheels. Refer to Tire and Wheel Removal and Installation (Service and Repair).
23. Lower the vehicle.
24. Remove the engine support fixture. Refer to Engine Support Fixture (Engine Support Fixture).
25. Align the vehicle. Refer to Wheel Alignment Measurement (Service and Repair).