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Self Study Programme 612 For internal use only Audi A3 ’13 Suspension ProCarManuals.com Audi Service Training Suspension system overall concept A major development goal for the suspension system of the Audi A weight reduced electro mechanical power steering system with A3 was to achieve a high level of agility, sporty handling and high speed dependent steering assistance Servotronic is standard driving comfort without making any compromises on driving equipment in the Audi A3 ’13, as previously in the predecessor dynamics. model. A variable steering ratio is achieved through the special The interaction between all specially co ordinated suspension geometry of the rack and pinion system. The range of newly devel components contributes to active safety. Even in its basic conifgu oped steering wheels extends from the conventional four spoke ration, the A3 ’13 affords brand typical driving and vibration steering wheel to the three spoke multifunction sport steering comfort with a strong emphasis on sporty attributes. It thus offers wheel with leather trim and shift paddles. At 15 and 16 inches a high level of driving enjoyment. respectively, the wheel brakes engine dependent are larger than This has been achieved by employing the proven concept of the in the predecessor model and provide ample braking power relative McPherson front suspension in combination with a newly devel to engine output. oped torsion beam and four link rear suspension. The torsion beam The newly developed Continental MK100 ESP system was used for rear suspension is 15 kg lighter than an equivalent multilink rear the ifrst time on an Audi model. suspension, in addition to having aerodynamic advantages. Use of adaptive cruise control ACC is available for the Audi A3 for the the torsion beam suspension or the four link suspension depends ifrst time in this class of vehicle. The control characteristics of ACC, on engine version power output .