Front Subframe: Service and Repair

Uni-Body, Subframe and Mounting System - Front Subframe


This is a "Trustmark Authoring Standards (TAS) Repair Procedure"
- TAS style procedures can be identified by steps that have no accompanying step text and the magenta color of the electrical connectors and fasteners such as nuts, bolts, clamps or clips.
- TAS removal and installation procedures use a sequence of color illustrations to indicate the order to be followed when removing/disassembling or installing/assembling a component.
- Many of the TAS procedures will have the installation information within the removal steps.
- The TAS color illustrations use a variety of symbols to indicate important details of the procedures. It is important to understand these symbols in order to properly used the TAS procedures.
Refer to How to Use TAS Procedures and TAS Symbol Glossary at Vehicle | Description and Operation for additional information on these TAS procedures.
For additional information, refer to How to Use TAS Procedures How to Use TAS Procedures

Removal and Installation

Special Tool(s)







General Equipment
Powertrain Jack

Removal

1. 1. WARNING: Make sure to support the vehicle with axle stands.

Raise and support the vehicle.

2. Siphon the fluid from the power steering reservoir.
3. Remove the front road wheels and tires.
4. Remove the engine undershield.
5. Disconnect the LH catalyst monitor sensor electrical connector.
6. Disconnect the RH catalyst monitor sensor electrical connector.







7. Release the catalyst monitor sensor wiring harness.







8. 8. CAUTION: Make sure that the ball joint ball does not rotate.

Disconnect both front stabilizer bar links from the lower suspension arm.







9. Using the special tool, release the LH and RH tie-rod end ball joints.

Special Tool(s): 211-316







10. 10. CAUTION: Be prepared to collect escaping fluids.

- NOTE: Make sure that all openings are sealed.

Disconnect the pressure lines from the power steering gear.







11. Release the PAS lines.







12. 12. WARNING: Make sure that a new steering column flexible coupling bolt is installed.

Disconnect the lower steering column from the steering gear.







13. Release the downpipe catalytic converters.







14. Release the LH and RH lower suspension arms.







15. Release the purge line from the subframe.







16. Release the fuel line.







17. Support the subframe.

General Equipment: Powertrain Jack







18. 18. CAUTION: Make sure that new subframe bolts are installed.

Remove the front subframe cross-brace.







19. CAUTIONS:
- Mark the components to aid installation.
- Make sure that new subframe bolts are installed.

Lower the front subframe assembly.







20. Remove the stabilizer bar.







21. Release the LH and RH suspension arms, as the subframe is lowered, and tie them aside.







22. 22. NOTE: Do not disassemble further if the component is removed for access only.

Remove the catalyst support bracket.







23. Remove the steering gear.







Installation
1. Install the steering gear.
Torque: 105 Nm

2. Using the special tool, support the subframe.

3. 3. CAUTION: Install all the bolts finger tight before final tightening.

Raise the front subframe to allow installation of the suspension arms and the bolts.

4. Install the LH and RH suspension arms as the subframe is raised.
5. Install the stabilizer bar.

6. 6. CAUTION: Make sure that new bolts are installed.

Install the subframe cross-brace.
Torque: 45 Nm

7. 7. CAUTION: Make sure that new bolts are installed.

- Install the 2 support brackets.
Torque: 25 Nm

- Install the front subframe.
Torque:
Stage 1: 140 Nm
Stage 2: 240°

8. Install the catalyst support bracket.
Torque: 10 Nm

9. Install the fuel line.
10. Install the purge line.
11.
- Tighten bolt 1.
Torque:
Stage 1: 140 Nm
Stage 2: 45°

- Tighten bolt 2 to
Torque: 175 Nm

- Tighten bolt 3 to
Torque: 175 Nm







12. Secure the catalytic converters.

13. 13. WARNING: Make sure that new nuts are installed.

Connect the LH and RH tie-rod end ball joints.
Torque: 105 Nm

14. Connect the steering gear pressure lines.
Torque: 25 Nm

15. 15. WARNING: Make sure that new nuts are installed.

CAUTION: Make sure that the ball joint ball does not rotate.

Install the stabilizer link bar to the lower suspension arm, and tighten to 55 Nm (41 lb.ft)

16. Secure the electrical harness.

17. 17. WARNING: Make sure that a new steering column flexible coupling bolt is installed.

Connect the steering column to the steering gear.
Torque: 25 Nm

18. Connect and secure the catalyst monitor sensor electrical connectors.
19. Install the 2 subframe mounting bolts and remove the jack.
20. Install the engine undershield.
21. Install the wheels and tires.
22. Refill and bleed the power steering.
23. Using only four wheel alignment equipment approved by Land Rover, check and adjust the wheel alignment.