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How to change rear upper arm on AUDI A4 Avant (8K5, B8) – replacement guide
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Important!
This replacement procedure can be used for:
AUDI A4 Avant (8K5, B8) 1.8 TFSI, AUDI A4 Avant (8K5, B8) 1.8 TFSI quattro, AUDI A4 Avant (8K5, B8) 3.0 TFSI quattro, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 2.0 TDI quattro, AUDI A4 Avant (8K5, B8) 3.0 TDI quattro, AUDI A4 Avant (8K5, B8) 3.0 TDI, AUDI A4 Avant (8K5, B8) 1.8 TFSI, AUDI A4 Avant (8K5, B8) 3.2 FSI quattro, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 3.0 TDI quattro, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 2.7 TDI, AUDI A4 Avant (8K5, B8) 2.0 TFSI, AUDI A4 Avant (8K5, B8) 1.8 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI quattro, AUDI A4 Avant (8K5, B8) 1.8 TFSI quattro, AUDI A4 Avant (8K5, B8) S4 quattro, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 2.0 TDI quattro, AUDI A4 Avant (8K5, B8) 2.7 TDI, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 3.2 FSI, AUDI A4 Avant (8K5, B8) 2.0 TDI quattro, AUDI A4 Avant (8K5, B8) 2.0 TFSI flexible fuel, AUDI A4 Avant (8K5, B8) 2.0 TFSI flexible fuel quattro, AUDI A4 Avant (8K5, B8) 3.0 TDI quattro, AUDI A4 Avant (8K5, B8) RS4 quattro, AUDI A4 Avant (8K5, B8) 2.0 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI quattro, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 2.0 TDI quattro, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 2.0 TDI quattro, AUDI A4 Avant (8K5, B8) 3.0 TDI … View more
The steps may slightly vary depending on the car design.
AUDI A4 Avant (8K5, B8) 1.8 TFSI, AUDI A4 Avant (8K5, B8) 1.8 TFSI quattro, AUDI A4 Avant (8K5, B8) 3.0 TFSI quattro, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 2.0 TDI quattro, AUDI A4 Avant (8K5, B8) 3.0 TDI quattro, AUDI A4 Avant (8K5, B8) 3.0 TDI, AUDI A4 Avant (8K5, B8) 1.8 TFSI, AUDI A4 Avant (8K5, B8) 3.2 FSI quattro, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 3.0 TDI quattro, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 2.7 TDI, AUDI A4 Avant (8K5, B8) 2.0 TFSI, AUDI A4 Avant (8K5, B8) 1.8 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI quattro, AUDI A4 Avant (8K5, B8) 1.8 TFSI quattro, AUDI A4 Avant (8K5, B8) S4 quattro, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 2.0 TDI quattro, AUDI A4 Avant (8K5, B8) 2.7 TDI, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 3.2 FSI, AUDI A4 Avant (8K5, B8) 2.0 TDI quattro, AUDI A4 Avant (8K5, B8) 2.0 TFSI flexible fuel, AUDI A4 Avant (8K5, B8) 2.0 TFSI flexible fuel quattro, AUDI A4 Avant (8K5, B8) 3.0 TDI quattro, AUDI A4 Avant (8K5, B8) RS4 quattro, AUDI A4 Avant (8K5, B8) 2.0 TFSI, AUDI A4 Avant (8K5, B8) 2.0 TFSI quattro, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 2.0 TDI quattro, AUDI A4 Avant (8K5, B8) 2.0 TDI, AUDI A4 Avant (8K5, B8) 2.0 TDI quattro, AUDI A4 Avant (8K5, B8) 3.0 TDI … 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 Avant (8K5, B8) and other AUDI models
Suspension arm
Alternative products

Wire brush
WD-40 spray
Brake cleaner
Copper grease
Combination spanner #18
Drive socket # 18
Wheel impact socket #17
Ratchet wrench
Torque wrench
Hydraulic transmission jack
Wheel chock
Replacement: rear upper arm – AUDI A4 Avant (8K5, B8). AUTODOC recommends:
- The replacement procedure is identical for the right and left upper control arms.
- All work should be done with the engine stopped.
Replacement: rear upper arm – AUDI A4 Avant (8K5, B8). Recommended sequence of steps:
- Step 1Secure the wheels with chocks.
- Step 2Loosen the wheel mounting bolts. Use wheel impact socket #17.
- Step 3Raise the rear of the car and secure on supports.Step 4Unscrew the wheel bolts.Replacement: rear upper arm – AUDI A4 Avant (8K5, B8). Tip:To avoid injury, hold up the wheel when unscrewing the bolts.
- Step 5Remove the wheel.
- Step 6Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
- Step 7Make a mark on the camber adjustment bolt.
- Step 8Support the arm. Use a hydraulic transmission jack.
- Step 9Unscrew the arm fastening from the subframe. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
- Step 10Unscrew the fastener connecting the control arm to the rear knuckle. Use a drive socket #18. Use a ratchet wrench.
- Step 11Remove the fastening bolts.
- Step 12Remove the rear upper arm.
- Step 13Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
- Step 14Mount the rear upper arm.Replacement: rear upper arm – AUDI A4 Avant (8K5, B8). AUTODOC experts recommend:During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
- Step 15Install the fastening bolts.
- Step 16Screw in the fastener that connects the control arm to the rear knuckle. Use a drive socket #18. Use a ratchet wrench.
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