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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis (Single Page) >> Drivelines & Axles >> Axle Shafts >> Front Suspension >> 40 Front Suspension >> SUBFRAME >> SUBFRAME CROSSBRACE, Removing And Installing >> Removing

SUBFRAME CROSSBRACE, Removing And Installing: Removing

NOTE:

During installation, all cable ties must be installed at the same location.

-- Remove the noise insulation. Refer to NOISE INSULATION, REMOVING AND INSTALLING .

-- Remove the left and right nuts -arrows- for the subframe shield.

GWWA40-10751Courtesy of AUDI OF AMERICA, LLC

-- Equipment version with SCR system: Free up the SCR delivery line -1- with the bracket -2- on the crossbrace.

-- Free up the wires on the crossbrace.

-- 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.

GWWA40-10741Courtesy of AUDI OF AMERICA, LLC
WARNING:

There is a risk of injury from falling components.

  • When pressing off, the tie rod end loosens abruptly from the wheel bearing housing. Use, for example, the :VAS6931  to secure.

-- Press out the guide link joint pin with the :T40043  from the conical seat. Do not damage the CV boot while doing so.

-- Remove the nut and free up the guide link on the wheel bearing housing. If necessary, counterhold the joint pin with a TORX® 40 socket to do this.

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

-- A5 Cabriolet  : remove the diagonal braces. Refer to the appropriate service information .

-- Remove the clip nuts from the crossbrace.

-- Position the :T10552  with the :VAS6931  under the subframe and lift.

GWWA40-10796Courtesy of AUDI OF AMERICA, LLC

-- Bring the :T10552/2  with the :T40386  all the way onto the front crossbrace.

-- Place the :T10552/1  all the way into the rear holes on the crossbrace by turning left and right at the threaded sleeve.

-- Secure the crossbrace with a tensioning strap -arrow-.

CAUTION:

There is a risk of damaging the threads on the subframe threaded connection to the body.

  • The subframe bolts on the body must not be loosened or tightened with an impact wrench.
  • Always install all bolts by hand for the first few turns.

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

GWWA40-10852Courtesy of AUDI OF AMERICA, LLC

-- Secure the brace on the left and right side using a cotter pin -arrow-.

NOTE:

To secure the steering gear, a :T40334  must be screwed in at -1 and 2-.

Fig 1: Subframe Crossbrace, All Except A5 Cabriolet
GWWA40-10515Courtesy of AUDI OF AMERICA, LLC

-- Replace bolts -1 and 2- with :T40334  and tighten to 60 Nm.

-- Remove the bolts -arrows-, lower the subframe crossbrace -3- using the :VAS6931  and remove it.

CAUTION:

There is a risk of damaging the suspension components.

  • If the subframe mount, steering gear or subframe crossbrace are not installed correctly, do not rest the vehicle on its wheels.
  • Supporting the vehicle at the subframe or the subframe crossbrace (for example, using a floor jack or similar device) is not permitted.