Rear Subframe: Service and Repair

Rear 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

NOTE:
Removal steps in this procedure may contain installation details.
1 Disconnect the battery ground cable.
For additional information, refer to Specifications Battery and Charging System

WARNING: Make sure to support the vehicle with axle stands.
2 Raise and support the vehicle.
For additional information, refer to Air Suspension System Depressurize and Pressurize Service and Repair
For additional information, refer to Rear Driveshaft - 5.0L Rear Driveshaft
For additional information, refer to Rear Fender Splash Shield Service and Repair













CAUTION: Before the disconnection or removal of any components, ensure the area around joint faces and connections are clean. Plug any open connections to prevent contamination.

CAUTION: Visually inspect the air line ends for damage or wear. Repair or replace the air line as necessary.

CAUTION: Make sure the new Voss connector is installed and fully tightened with the alignment plug installed.

NOTE:
Note the air line fitted positions.

Torque to: 3 Nm









NOTE:
Right-hand shown, left-hand similar.
3 Open the electrical connector housing.





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





WARNING: Be prepared to catch escaping fluid.

CAUTION: Before disconnecting or removing the components, ensure the area around the joint faces and connections are clean and dry. Plug open connections to prevent contamination.

CAUTION: Brake fluid will damage paint finished surfaces. If spilled, immediately remove the fluid and clean the area with water.

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

Torque to: 15 Nm





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













CAUTION: Make sure that new subframe bolts are installed.

NOTE:
Some variation in the illustrations may occur, but the essential information is always correct.

Torque to: 165 Nm





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

NOTE:
Make sure that new nuts and bolts are installed.
Screw: 7 Nm
M14: 90 Nm





NOTE:
Some variation in the illustrations may occur, but the essential information is always correct.
4 Lower the subframe by a maximum of 100 mm.









CAUTION: Before disconnecting or removing the components, ensure the area around the joint faces and connections are clean and dry. Plug open connections to prevent contamination.




5 With assistance, remove the rear subframe assembly.





Installation
All vehicles
1 To install, reverse the removal procedure.

Vehicles with high performance brakes
For additional information, refer to Brake System Bleeding - Vehicles With: High Performance Brakes Brake System Bleeding [Vehicles With: High Performance Brakes]

Vehicles with standard brakes
For additional information, refer to Brake System Bleeding - Vehicles With: Standard Brakes Brake System Bleeding [Vehicles With: Standard Brakes]

All vehicles
For additional information, refer to Four-Wheel Alignment