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Consider the thrust angle

By autotech-nath on January 1, 2018

Over the past thirty years that Supertracker has been supplying wheel alignment equipment, the advances in vehicle technology have continued to move at a much faster pace. Wheel alignment remains the same whatever changes occur but we do now have to consider additional safety systems, such as adaptive cruise control, lane assist, park assist and adaptive headlights. This technology relies on the vehicle having the steering geometry correctly set, along with the radar camera and its systems set correctly, to function properly.

ADAS systems are a hot topic at present and there are several ways to mount the ADAS radar sensing device. Some are mounted to the roof’s header and view through the windscreen; some are mounted to the outside of the rearview mirrors; others in the front grill of the vehicle and some are mounted to a glass bracket on the inside surface of the windshield.

Any vehicle that mounts the ADAS camera to the glass requires that the camera be re-calibrated if the windscreen is replaced to assure proper operation. If the windscreen hasn’t been replaced the camera should still be in calibration.

If, during the life cycle of the car, the alignment needs correcting and the cameras have remained undisturbed, a four-wheel alignment adjusted to the vehicle thrust angle (centreline) is all that is required, as long as the thrust angle remains unchanged from the factory setting.

The bases of all of these procedures is the starting point. Making sure the wheel alignment angles are correct, with a zero thrust angle. From here the cameras may or may not need resetting. If resetting is required, an additional piece of equipment is needed to carry out the camera calibration process. These are available at a separate cost.

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Autotechnician is a magazine published nine times a year, delivering essential information to independent garage owners and technicians in the UK. Delivered both digitally and in print, autotechnician provides readers with technical, training, business advice, product and news, allowing our readers to keep up to date with information they need to run and work within a modern workshop.
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