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How to change front lower arm on AUDI A4 B6/B7 Convertible (8H7, 8HE) – replacement guide
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Important!
This replacement procedure can be used for:
AUDI A4 Convertible (8H7, B6, 8HE, B7) 3.2 FSI, AUDI A4 Convertible (8H7, B6, 8HE, B7) 3.2 FSI quattro, AUDI A4 Convertible (8H7, B6, 8HE, B7) 2.0 TDI, AUDI A4 Convertible (8H7, B6, 8HE, B7) 3.0 TDI quattro, AUDI A4 Convertible (8H7, B6, 8HE, B7) 2.7 TDI, AUDI A4 Convertible (8H7, B6, 8HE, B7) 3.0 TDI quattro … View more
The steps may slightly vary depending on the car design.
AUDI A4 Convertible (8H7, B6, 8HE, B7) 3.2 FSI, AUDI A4 Convertible (8H7, B6, 8HE, B7) 3.2 FSI quattro, AUDI A4 Convertible (8H7, B6, 8HE, B7) 2.0 TDI, AUDI A4 Convertible (8H7, B6, 8HE, B7) 3.0 TDI quattro, AUDI A4 Convertible (8H7, B6, 8HE, B7) 2.7 TDI, AUDI A4 Convertible (8H7, B6, 8HE, B7) 3.0 TDI 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
All the parts you need to replace – Control Arm for A4 B7 Convertible (8HE) and other AUDI models
Suspension arm
Alternative products

Wire brush
WD-40 spray
Brake cleaner
Multipurpose grease
Copper grease
Combination spanner #18
Drive socket # 10
Drive socket # 18
Wheel impact socket #17
Ratchet wrench
Torque wrench
Phillips screwdriver
Flat Screwdriver
Ball joint puller
Crow bar
Hydraulic transmission jack
Wheel chock
Replacement: front lower arm – AUDI A4 B7 Cabrio (8HE). AUTODOC experts 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 A4 B7 Cabrio (8HE). Use the following procedure:
- 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:Important! Hold the wheel while unscrewing the fastening bolts. AUDI A4 B7 Cabrio (8HE)
- Step 5Remove the wheel.
- Step 6Unscrew fixing bolts of the protective cover. Use a flat screwdriver.
- Step 7Remove the protective cover.
- Step 8Clean all joints of the arm. Use a wire brush. Use WD-40 spray.Replacement: front lower arm – AUDI A4 B7 Cabrio (8HE). Tip:After applying the spray, wait a few minutes.Wear protective goggles.
- Step 9Unscrew the ball joint fastening to the steering knuckle. Use a combination spanner #18.
- Step 10Disconnect the ball joint from the steering knuckle. Use a ball joint puller.
- Step 11Unscrew the rear fastener connecting the control arm to the subframe. Use a combination spanner #18 (2 pieces).
- Step 12Unscrew and remove the wheel arch cover fasteners. Use a Phillips screwdriver. Use a drive socket #10. Use a ratchet wrench.
- Step 13Remove the fastening bolt. Use a crowbar.
- Step 14Remove the arm.
- Step 15Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
- Step 16Install a new arm.Replacement: front lower arm – AUDI A4 B7 Cabrio (8HE). AUTODOC recommends:During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
- Step 17Install the fastening bolt.
- Step 18Screw the rear fastener connecting the control arm to the subframe. Use a combination spanner #18 (2 pieces).
- Step 19Treat all joints of the arm. Use a multipurpose grease. Use a flat screwdriver.
- Step 20Connect the ball joint to the steering knuckle.
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