Important!
This replacement procedure can be used for:
AUDI A6 Avant (4G5, 4GD, C7) 2.8 FSI, AUDI A6 Avant (4G5, 4GD, C7) 2.8 FSI quattro, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TFSI quattro, AUDI A6 Avant (4G5, 4GD, C7) 2.0 TDI, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TDI, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TDI quattro, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TDI quattro, AUDI A6 Avant (4G5, 4GD, C7) 2.0 TDI, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TDI quattro, AUDI A6 Avant (4G5, 4GD, C7) S6 quattro, AUDI A6 Avant (4G5, 4GD, C7) 2.0 TFSI, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TFSI quattro, AUDI A6 Avant (4G5, 4GD, C7) 2.0 TDI, AUDI A6 Avant (4G5, 4GD, C7) RS6 quattro, AUDI A6 Avant (4G5, 4GD, C7) 2.0 TDI, AUDI A6 Avant (4G5, 4GD, C7) 1.8 TFSI, AUDI A6 Avant (4G5, 4GD, C7) 2.0 TDI, AUDI A6 Avant (4G5, 4GD, C7) 2.0 TFSI, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TDI, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TDI, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TDI quattro, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TDI quattro, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TDI quattro, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TDI quattro, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TDI quattro, AUDI A6 Avant (4G5, 4GD, C7) S6 quattro, AUDI A6 Avant (4G5, 4GD, C7) 3.0 TFSI quattro, AUDI A6 Avant (4G5, 4GD, C7) 2.0 TDI quattro, AUDI A6 Avant (4G5, 4GD, C7) 2.0 TFSI quattro, AUDI A6 Avant (4G5, 4GD, C7) 2.0 TFSI quattro, AUDI A6 Avant (4G5, 4GD, C7) RS6 performance quattro, AUDI A6 Avant (4G5, 4GD, C7) 2.8 FSI quattro View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

Tools
Replacement: front lower arm – AUDI A6 Avant (4G5, C7, 4GD). Tools you need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Combination spanner #18
Combination spanner #21
Drive socket # 16
Drive socket # 18
Drive socket # 21
XZN socket bit # 12
Shock absorber socket
Wheel impact socket #17
Ratchet wrench
Torque wrench
Pin punch
Rubber mallet
Ball joint puller
Crow bar
Hydraulic transmission jack
Wheel chock
Replacement: front lower arm – AUDI A6 Avant (4G5, C7, 4GD). Professionals recommend:
  • The replacement procedure is identical for the left and right lower control arms.
  • All work should be done with the engine stopped.
Replacement: front lower arm – AUDI A6 Avant (4G5, C7, 4GD). Recommended sequence of steps:
  1. Step 1
    How to change Control Arm on Audi A6 C7 Avant 2011 - free PDF and video manuals
    Secure the wheels with chocks.
  2. Step 2
    How to replace AUDI A6 Avant (4G5, 4GD, C7) 2.0 TDI 2012 Control Arm - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  3. Step 3
    Raise the front of the car and secure on supports.
    Step 4
    Audi A6 C7 Avant 3.0 TDI quattro 2013 Control Arm replacement: free workshop manuals
    Unscrew the wheel bolts.
    Replacement: front lower arm – AUDI A6 Avant (4G5, C7, 4GD). AUTODOC recommends:
    To avoid injury, hold up the wheel when unscrewing the bolts.
  4. Step 5
    Changing Control Arm on AUDI A6 Avant (4G5, 4GD, C7) 2.0 TDI 2014 by yourself
    Remove the wheel.
  5. Step 6
    Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
    Step 7
    How to remove AUDI A6 3.0 TDI quattro 2015 Control Arm - online easy-to-follow instructions
    Unscrew the end fastening nut to the steering knuckle. Use a combination spanner #21.
  6. Step 8
    How to replace Control Arm on AUDI A6 Avant (4G5, 4GD, C7) 2016: download PDF manuals and video instructions
    Disconnect the tie rod end from the steering knuckle. Use a ball joint puller.
  7. Step 9
    How hard is it to do yourself: Control Arm replacement on Audi A6 C7 Avant 2.0 TDI 2017 - download illustrated guide
    Unscrew the fastening bolt that connects the shock absorber fork with the lower control arm. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
  8. Step 10
    Need to know how to renew Control Arm on AUDI A6 2018? This free workshop manual will help you to do it yourself
    Remove the fastening bolt. Use a drive socket #18. Use a ratchet wrench.
  9. Step 11
    Changing of Control Arm on Audi A6 C7 Avant 2011 won't be an issue if you follow this illustrated step-by-step guide
    Unscrew the front arm fastener. Use XZN #12. Use a drive socket #18. Use a ratchet wrench.
  10. Step 12
    AUDI A6 3.0 TDI Control Arm replacement: online guides and video tutorials
    Remove the fastening bolt. Use a pin punch. Use a rubber mallet.
  11. Step 13
    Replacing Control Arm on Audi A6 C7 Avant 2013 2.0 TDI by yourself
    Disconnect the lower arm from the steering knuckle. Use a crowbar.
  12. Step 14
    A6 Avant (4G5, 4GD, C7) 3.0 TDI quattro 2014 Control Arm DIY replacement workshop manual
    Unscrew the ball joint fastening to the steering knuckle. Use a drive socket #16. Use a ratchet wrench.
  13. Step 15
    How to change Control Arm on AUDI A6 Avant (4G5, 4GD, C7) 2015 - tips and tricks
    Remove the fastening bolt.
  14. Step 16
    Release the fastener connecting the ball joint to the steering knuckle. Use a special drive socket to remove the shock absorber. Use a ratchet wrench.
    Step 17
    Step-by-step recommendations for DIY replacement Audi A6 C7 Avant 2016 3.0 TDI quattro Control Arm
    Remove the arm.
  15. Step 18
    DIY replacement of Control Arm on AUDI A6 Avant (4G5, 4GD, C7) 3.0 TDI 2017 is not an issue anymore with our step-by-step tutorial
    Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
  16. Step 19
    How to change Control Arm on Audi A6 C7 Avant 2011 - free PDF and video manuals
    Unscrew the fastener connecting the ball joint to the suspension control arm. Use a drive socket #21. Use a ratchet wrench.
  17. Step 20
    How to replace AUDI A6 Avant (4G5, 4GD, C7) 2.0 TDI 2012 Control Arm - step-by-step manuals and video guides
    Disconnect the spherical joint from the arm. Use a ball joint puller.
  18. Step 21
    Attach the ball joint to the control arm.
    Step 22
    Audi A6 C7 Avant 3.0 TDI quattro 2013 Control Arm replacement: free workshop manuals
    Screw the fasteners of the ball joint. Use a drive socket #21. Use a ratchet wrench.
  19. Step 23
    Changing Control Arm on AUDI A6 Avant (4G5, 4GD, C7) 2.0 TDI 2014 by yourself
    Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
  20. Step 24
    How to remove AUDI A6 3.0 TDI quattro 2015 Control Arm - online easy-to-follow instructions
    Install a new arm. Use a rubber mallet. Use a special drive socket to remove the shock absorber. Use a ratchet wrench.
  21. Step 25
    How to replace Control Arm on AUDI A6 Avant (4G5, 4GD, C7) 2016: download PDF manuals and video instructions
    Install the fastening bolt.
  22. Step 26
    How hard is it to do yourself: Control Arm replacement on Audi A6 C7 Avant 2.0 TDI 2017 - download illustrated guide
    Screw the front arm fastener. Use XZN #12. Use a drive socket #18. Use a ratchet wrench.
  23. Step 27
    Need to know how to renew Control Arm on AUDI A6 2018? This free workshop manual will help you to do it yourself
    Connect the lower arm to the steering knuckle.
  24. Step 28
    Changing of Control Arm on Audi A6 C7 Avant 2011 won't be an issue if you follow this illustrated step-by-step guide
    Install the fastening bolt.
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