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AUDI A4 1. AUDI A4 2. Workshop Manual Download. Audi workshop manual. Audi A4 Self-Study Programme. Comments: 0. Still, with identical side panels and only minor updates to the interior, the resemblance with the older version was obvious.
There were no revolutions under the skin, either. Instead, there were many updates. Most notable were several gasoline engines that used both direct fuel injection and turbocharging, as diesel engines with four valves per cylinder.
In addition, there were some updates to the suspension and steering system. Still, using wise combinations of design and technology upgrades, this generation bridged the gap until its successor arrived in Towards the end of the decade, Audi had to make radical changes to keep the market position.
The fourth generation is a whole new car, designed from the bottom on a new, modular platform. The biggest advantage of this platform is that it allows moving front wheels to the front, reducing front-end overhang. This, combined with the new steering system and redesigned suspension, improved handling and reduced under-steer. Exterior featured a fresh new design. Large black grille and sleek LED headlights give the front end an aggressive and muscular appearance, while the side profile and rear end keep a more conventional and soft appeal.
Together, it made the car well rounded blend of subtle and dynamic. Compared to the previous generation, the body is larger, with generously shaped doors that allow easy entrance. The interior is roomy, offering enough space both on front and rear seats, making it suitable for long journeys.
Besides saloon and Avant version, this generation is the first to offer an Allroad version. It has a wider track, increased ground clearance and Quattro drive, while the exterior features different grille, underbody guards, and roof rails. All gasoline engines use direct fuel injection as a standard. As a part of downsizing efforts, all four-cylinder units have turbochargers and make for the most of the engine lineup. Still there are two V6 engines available, one with supercharger and other without it.
At the high end of the range, there is an RS4, equipped with V8 engine and Quattro drive. In its final iteration, the exterior features many improvements made not just for form but also function. A single-frame grille and headlights with an undercut design give more focused look to the front.
The overall design provides a more aggressive feel, while other details door-mounted exterior mirrors enhance the aero-acoustics of the A4. More improvements hide under the skin.
A hybrid aluminum construction makes the new car lighter, despite being longer and wider than the previous model. All engines focus on power, drivability and fuel economy. The choice of gasoline engines ranges from a small four-cylinder in standard cars to a V6 powerhouses in S4 and RS4. Direct fuel injection and turbocharging is standard on all engines.
Situation is similar with diesel engines, with several four-cylinder to a V6 variants available. New front and rear axles improve comfort, along with an optional adaptive suspension system.
With it, the driver can choose from standard, comfort or sport mode. The interior offers even more headspace and rear legroom that its predecessor. There is a redesigned infotainment system, operated by a rotary knob, handwriting on the touchpad or by voice.
However, the biggest improvement is the virtual cockpit that uses a digitized instrument cluster, offering two operating modes. Classic mode offers a clear view of speedometer and tachometer, while infotainment mode minimizes the gauges in favor of navigation and other visual aids. I'd love to be emailed when a new, high quality document is available for my Audi A4.
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