Operation CHARM: Car repair manuals for everyone.

Control Arm: Description and Operation






Trapezoidal Control Arm

Modified trapezoidal control arms are installed in Audi A4 with FWD or AWD.

A mixed installation between old and new trapezoidal control arms in a vehicle is not permitted.

Old trapezoidal control arm version:





New trapezoidal control arm version:





Measure vehicle after repair. Refer to => [ Wheel Alignment ] Wheel Alignment.