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How to change front lower arm on Audi A6 C5 Avant – replacement guide
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Important!
This replacement procedure can be used for:
AUDI A6 Avant (4B5, C5) 2.4 quattro, AUDI A6 Avant (4B5, C5) 1.9 TDI, AUDI A6 Avant (4B5, C5) 1.8, AUDI A6 Avant (4B5, C5) 2.8 quattro, AUDI A6 Avant (4B5, C5) 1.8 T, AUDI A6 Avant (4B5, C5) 2.8, AUDI A6 Avant (4B5, C5) 1.8 T quattro, AUDI A6 Avant (4B5, C5) 2.5 TDI, AUDI A6 Avant (4B5, C5) 2.5 TDI quattro, AUDI A6 Avant (4B5, C5) 2.7 T, AUDI A6 Avant (4B5, C5) 2.7 T quattro, AUDI A6 Avant (4B5, C5) 2.4, AUDI A6 Avant (4B5, C5) 1.8 T quattro, AUDI A6 Avant (4B5, C5) 3.7 quattro, AUDI A6 Avant (4B5, C5) 3.7, AUDI A6 Avant (4B5, C5) 4.2 quattro, AUDI A6 Avant (4B5, C5) 1.8 T, AUDI A6 Avant (4B5, C5) S6 quattro, AUDI A6 Avant (4B5, C5) 2.5 TDI, AUDI A6 Avant (4B5, C5) 2.5 TDI quattro, AUDI A6 Avant (4B5, C5) 1.9 TDI, AUDI A6 Avant (4B5, C5) 1.8, AUDI A6 Avant (4B5, C5) 2.8, AUDI A6 Avant (4B5, C5) 2.8, AUDI A6 Avant (4B5, C5) 2.4, AUDI A6 Avant (4B5, C5) 2.0, AUDI A6 Avant (4B5, C5) 2.4, AUDI A6 Avant (4B5, C5) 2.4 quattro, AUDI A6 Avant (4B5, C5) 2.5 TDI, AUDI A6 Avant (4B5, C5) 2.7 T quattro, AUDI A6 Avant (4B5, C5) 3.0, AUDI A6 Avant (4B5, C5) 3.0 quattro, AUDI A6 Avant (4B5, C5) 1.9 TDI, AUDI A6 Avant (4B5, C5) RS6 quattro, AUDI A6 Avant (4B5, C5) 2.4, AUDI A6 Avant (4B5, C5) 2.4 quattro, AUDI A6 Avant (4B5, C5) 2.5 TDI, AUDI A6 Avant (4B5, C5) 2.4 quattro, AUDI A6 Avant (4B5, C5) RS6 plus quattro, AUDI A6 Avant (4B5, C5) 3.0, AUDI A6 Avant (4B5, C5) 3.0 quattro … View more
The steps may slightly vary depending on the car design.
AUDI A6 Avant (4B5, C5) 2.4 quattro, AUDI A6 Avant (4B5, C5) 1.9 TDI, AUDI A6 Avant (4B5, C5) 1.8, AUDI A6 Avant (4B5, C5) 2.8 quattro, AUDI A6 Avant (4B5, C5) 1.8 T, AUDI A6 Avant (4B5, C5) 2.8, AUDI A6 Avant (4B5, C5) 1.8 T quattro, AUDI A6 Avant (4B5, C5) 2.5 TDI, AUDI A6 Avant (4B5, C5) 2.5 TDI quattro, AUDI A6 Avant (4B5, C5) 2.7 T, AUDI A6 Avant (4B5, C5) 2.7 T quattro, AUDI A6 Avant (4B5, C5) 2.4, AUDI A6 Avant (4B5, C5) 1.8 T quattro, AUDI A6 Avant (4B5, C5) 3.7 quattro, AUDI A6 Avant (4B5, C5) 3.7, AUDI A6 Avant (4B5, C5) 4.2 quattro, AUDI A6 Avant (4B5, C5) 1.8 T, AUDI A6 Avant (4B5, C5) S6 quattro, AUDI A6 Avant (4B5, C5) 2.5 TDI, AUDI A6 Avant (4B5, C5) 2.5 TDI quattro, AUDI A6 Avant (4B5, C5) 1.9 TDI, AUDI A6 Avant (4B5, C5) 1.8, AUDI A6 Avant (4B5, C5) 2.8, AUDI A6 Avant (4B5, C5) 2.8, AUDI A6 Avant (4B5, C5) 2.4, AUDI A6 Avant (4B5, C5) 2.0, AUDI A6 Avant (4B5, C5) 2.4, AUDI A6 Avant (4B5, C5) 2.4 quattro, AUDI A6 Avant (4B5, C5) 2.5 TDI, AUDI A6 Avant (4B5, C5) 2.7 T quattro, AUDI A6 Avant (4B5, C5) 3.0, AUDI A6 Avant (4B5, C5) 3.0 quattro, AUDI A6 Avant (4B5, C5) 1.9 TDI, AUDI A6 Avant (4B5, C5) RS6 quattro, AUDI A6 Avant (4B5, C5) 2.4, AUDI A6 Avant (4B5, C5) 2.4 quattro, AUDI A6 Avant (4B5, C5) 2.5 TDI, AUDI A6 Avant (4B5, C5) 2.4 quattro, AUDI A6 Avant (4B5, C5) RS6 plus quattro, AUDI A6 Avant (4B5, C5) 3.0, AUDI A6 Avant (4B5, C5) 3.0 quattro … View more
The steps may slightly vary depending on the car design.
How to change front suspension arm on AUDI A6 C5 Avant [TUTORIAL AUTODOC]

All the parts you need to replace – Control Arm for A6 Avant (4B5, C5) and other AUDI models
Suspension arm
Alternative products

Wire brush
WD-40 spray
Brake cleaner
Copper grease
Torque wrench
Combination spanner #18
Drive socket # 18
Wheel impact socket #17
Ball joint puller
Tap wrench
Crow bar
Hydraulic transmission jack
Wheel chock
Replacement: front lower arm – Audi A6 C5 Avant. AUTODOC experts recommend:
- The replacement procedure is identical for the left and right lower control arms.
- Please note: all work on the car – Audi A6 C5 Avant – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Secure the wheels with chocks.Step 2Loosen the wheel mounting bolts. Use wheel impact socket #17.
- Step 3Raise the front of the car and secure on supports.
- Step 4Unscrew the wheel bolts.AUTODOC recommends:Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Audi A6 C5 Avant
- Step 5Remove the wheel.
- Step 6Clean all joints of the arm. Use a wire brush. Use WD-40 spray.AUTODOC recommends:Replacement: front lower arm – Audi A6 C5 Avant. After applying the spray, wait a few minutes.Wear protective goggles.Wear a respirator.
- Step 7Unscrew the rear fastener connecting the control arm to the subframe. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
- Step 8Unscrew the ball joint fastening to the steering knuckle. Use a combination spanner #18.
- Step 9Support the arm. Use a hydraulic transmission jack.
- Step 10Disconnect the ball joint from the steering knuckle. Use a ball joint puller. Use a crowbar.
- Step 11Remove the retainers of the fasteners of the fuel filter tubes.
- Step 12Detach the tubes from the fuel filter.
- Step 13Remove the fastening bolt.
- Step 14Remove the arm.
- Step 15Attach the tubes to the fuel filter.
- Step 16Install the retainers of the fasteners of the fuel filter tubes.
- Step 17Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
- Step 18Install a new arm.AUTODOC recommends:Replacement: front lower arm – Audi A6 C5 Avant. Use only new bolts and nuts for installation.Do not damage the ball joint cover.
- Step 19Install the fastening bolt.
- Step 20Screw the fastener connecting the control arm to the subframe. Use a combination spanner #18.
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