Front Subframe: Service and Repair

Front Subframe - 3.5L/4.2L

Special Service Tools
















Removal

Vehicles with 3.5L or 4.2L engine without supercharger
1. Remove the throttle body.

All vehicles

2. NOTE: Right-hand shown, left-similar.

Support the radiator.







3. NOTE: Vehicles with 3.5L or 4.2L engine without supercharger shown, vehicles with 4.2L engine with supercharger similar.

Install the special tools.







4. NOTE: Vehicles with 3.5L or 4.2L engine without supercharger shown, vehicles with 4.2L engine with supercharger similar.

Install the special tool.







5. Remove the radiator splash shield.
6. Remove the air deflector.
7. Remove both front wheel and tires.

8. NOTE: Left-hand shown, right-hand similar.

Remove the stabilizer bar link retaining nut.







9. NOTE: Left-hand shown, right-hand similar.

Remove the stabilizer bar link.







10. CAUTION: Make sure the steering gear is supported. Failure to follow this instruction may result in damage to the vehicle.

Detach the steering gear.







11. NOTE: Left-hand shown, right-hand similar.

Detach the headlamp leveling sensor retaining clip.







12. NOTE: Left-hand shown, right-hand similar.

Disconnect the headlamp leveling sensor electrical connector.







13. CAUTION: Make sure the full weight of the suspension components are supported. Failure to follow this instruction may result in damage to the vehicle.

NOTE: Left-hand shown, right-hand similar.

Secure the upper arm.







14. NOTE: Left-hand shown, right-hand similar.

Detach the air spring assembly.







15. NOTE: Left-hand shown, right-hand similar.

Detach the front lower arm.







16. NOTE: Left-hand shown, right-hand similar.

Detach the rear lower arm.







17. NOTE: Left-hand shown, right-hand similar.

Detach the engine mount.







18. Install the special tool.







19. NOTE: Left-hand shown, right-hand similar.

Remove and discard the front subframe front retaining bolt.







20. NOTE: Left-hand shown, right-hand similar.

Remove and discard the front subframe rear retaining bolt.







21. Using the special tool remove the front subframe.
- Remove the front subframe spacer.







Installation

All vehicles
1. Using the special tool, install the front subframe.
- Install the front subframe spacer.







2. Install the special tool.







3. Install the special tool.







4. NOTE: Left-hand shown, right-hand similar.

Install a new front subframe rear retaining bolt.
- Tighten to 115 Nm.







5. Remove the special tool.







6. Install a new front subframe front retaining bolt.
- Stage 1: Tighten to 100 Nm.
- Stage 2: Tighten 270 degrees.







7. Remove the special tool.







8. Install a new front subframe front retaining bolt.
- Stage 1: Tighten to 100 Nm.
- Stage 2: Tighten 270 degrees.







9. Remove the special tool.







10. NOTE: Left-hand shown, right-hand similar.

Attach the engine mount.
- Tighten to 63 Nm.







11. NOTE: Left-hand shown, right-hand similar.

Attach the rear lower arm.







12. NOTE: Left-hand shown, right-hand similar.

Attach the front lower arm.







13. NOTE: Left-hand shown, right-hand similar.

Attach the air spring assembly.
- Tighten to 175 Nm.







14. NOTE: Left-hand shown, right-hand similar.

Release the upper arm.







15. Install the steering gear.
- Tighten to 100 Nm.







16. NOTE: Left-hand shown, right-hand similar.

Connect the headlamp leveling sensor electrical connector.







17. NOTE: Left-hand shown, right-hand similar.

Attach the headlamp leveling sensor retaining clip.







18. NOTE: Left-hand shown, right-hand similar.

Install the stabilizer bar link.







19. NOTE: Left-hand shown, right-hand similar.

Attach the stabilizer bar link.
- Tighten to 43 Nm.







20. Install both front wheel and tires.
21. Install the air deflector.
22. Install the radiator splash shield.

23. NOTE:
- The final tightening of the rear lower arm inner retaining nut and bolt must be carried out with the vehicle on its wheels.
- Left-hand shown, right-hand similar.

Tighten to 175 Nm.







24. NOTE:
- The final tightening of the front lower arm inner retaining nut and bolt must be carried out with the vehicle on its wheels.
- Left-hand shown, right-hand similar.

Tighten to 175 Nm.







25. NOTE: Left-hand shown, right-hand similar.

Tighten to 70 Nm.







26. NOTE: Right-hand shown, left-similar.

Remove the radiator support.







27. NOTE: Vehicles with 3.5L or 4.2L engine without supercharger shown, vehicles with 4.2L engine with supercharger similar.

Remove the special tool.
- Loosen the special tool adjustment bolts.







28. NOTE: Vehicles with 3.5L or 4.2L engine without supercharger shown, vehicles with 4.2L engine with supercharger similar.

Remove the special tools.







Vehicles with 4.2L engine without supercharger
29. Install the throttle body.

All vehicles
30. Check the caster and camber adjustment.