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SUBFRAME CROSSBRACE, Removing And Installing: Removing

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-- Remove the noise insulation. Refer to OVERVIEW - NOISE INSULATION .

-- Free up the wires on the crossbrace.

-- Loosen the rear of the left and right front wheel housing liners. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

-- Loosen the left and right center underbody trim panels in the front area and lower them slightly. Refer to OVERVIEW - UNDERBODY TRIM PANELS .

-- Remove the left and right front wheel spoiler. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

-- To protect the threads, remove the nut -arrow- on the left and right from the guide link joint pin just until it is flush with the joint pin threads.

GWWA40-10831Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Abruptly loosening the ball joint when removing increases the risk of injury.

It is possible that parts of the body may become bruised.

- Secure the tool with the engine and gearbox jack placed underneath.

-- Remove the guide link joint pin from the conical seat using the : VAS251809  with : VAS251809/1  . Do not damage the CV boot while doing this.

-- Remove the nut by counterholding at the ball joint with a TX40 socket if necessary.

-- Free up the guide link on the wheel bearing housing.

-- Remove the nut -2- and bolt -3- and free up the right coolant pipe on the subframe.

GWWA19-12805Courtesy of AUDI OF AMERICA, LLC

-- Remove the left and right bolts -arrow- for the subframe shield.

GWWA40-10742Courtesy of AUDI OF AMERICA, LLC

-- Insert the Support Brace: T40335  on the left and right side into the subframe. If required, adjust the support brace at the knurled handle -1-.

GWWA48-10847Courtesy of AUDI OF AMERICA, LLC

-- Secure the support brace with securing pins -arrows-.

-- Versions with 3.0L TDI engine: remove the nuts -arrows- and free up the Transmission Fluid Cooling Valve - N509-.

Fig 1: Transmission Fluid Cooling Valve -N509- Component Location
GWWA19-12818Courtesy of AUDI OF AMERICA, LLC

-- If required, free up the wiring harness and the SCR delivery line.

-- Remove the end panel bolts -arrows-.

GWWA10-12241Courtesy of AUDI OF AMERICA, LLC

-- Bring the prepared : T10552  with the : VAS6931  to rest on the crossbrace.

GWWA40-10838Courtesy of AUDI OF AMERICA, LLC

-- Secure the crossbrace with the rear axle support tensioning strap -arrow-.

Fig 2: Subframe Crossbrace
GWWA40-10789Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Improper handling increases the risk of damaging the threads in the vehicle body.

- Never use an impact wrench to loosen or tighten.

- Position the bolts by hand only and screw in the first threads.

-- Remove the bolts -arrows-, lower the subframe crossbrace -1- using the Engine and Gearbox Jack: VAS6931  and remove it.

CAUTION:

There is a risk of damaging the components by handling them incorrectly.

If the assembly mount, steering gear or subframe crossbrace is incorrectly installed, then resting the vehicle on its wheels can damage components.

- Never place the vehicle with loosened suspension components on its wheels.

- Never support the vehicle with loosened suspension components on the subframe or crossbrace.