Suspension and steering specifications (Audi A4 B6)

Warning: Individual characteristics are also given in the text of the Chapter and, if their implementation is mandatory, are highlighted in bold

General parameters

Characteristic	Meaning
Design	Independent, 4-link, MacPherson struts with gas-filled shock absorbers. Anti-roll bar. Aluminum and steel elements are used

Characteristic	Meaning
Design	Independent, with trapezoidal lever and separately mounted shock absorbers. Aluminum and steel elements are used

Characteristic	Meaning
Design	Rack and pinion, with hydraulic booster. Steering column - trauma-safe, telescopic, with tilt adjustment
Power steering fluid	G 002 000

Characteristic	Meaning
Front wheels
Convergence	0°20'±4' (2.28±0.46 mm)
Wheel divergence at 20° turn	1°30'±30'
Collapse (not regulated)	-0°30'±25' (-0°47'±25' on models with sports suspension)
Maximum difference between the parties	0°30'
Rear wheels
Convergence (regulated)	0°30'±10' (3.42±1.14 mm)
Collapse (regulated)	-1°10'±30'
Maximum difference between the parties	0°30'
Steering rack and pinion play, mm	0.04 – 0.08

Tightening torques for fasteners are also given in the text of the Chapter and in some illustrations*.

* Tightening moments highlighted in bold in the text must be strictly observed; efforts not shown in bold are only approximate.

Characteristic	Meaning
FRONT WHEEL SUSPENSION
Hub
Bolts M14	115Nm + 180°
Bolts M16	190Nm + 180°
REAR WHEEL SUSPENSION
Hub
Models with 1.6L engines
Bolts M14	115Nm + 180°
Bolts M16 1	90Nm + 180°
All other models
Reception 1	190Nm on jacked up wheel
Reception 2	Lower the car to the ground and pull it 180°
Reception 3	Pull it another 90°
STEERING
Steering wheel	50
Tie rod end nuts
Petrol engines	45
Diesel engines	50
Tie rod end locknuts	40
Wheel bolts	120