The lower lateral link’s inboard bushing includes an eccentric to adjust the toe. An eccentric bolt on the upper control arm’s inboard mount controls the camber. The A5 platform has adjustment built into the rear suspension. As the bushings age, the extra compliance can cause toe and camber angle to exceed specifications. Check for wear and any signs of movement in outboard upper and lower control arms. The main wear points of the suspension are the bushings. The VW A5 platform for the Golf, Jetta and Audi TT abandoned the rear beam axle for a multi-link system with trailing and lateral links. If the axle is way beyond adjustment, replacement is necessary.
This can offer some degree of adjustment. The majority of beam axle vehicles can be adjusted by inserting a shim between the axle and wheel bearing hub unit. Also, make sure the lower bushings and upper shock mounts do not show wear or signs of bottoming out. Bad bushings cause noise, thrust angle and setback problems.Ĭheck the rear spring insulators for damage and dry rot. The most common failure involves the bushings that connect the rear axle to the body. Very few cases of corrosion have been reported with VW beam axles. Pay attention to the alignment angles, like toe and camber, for an indication of the health of the axle. Also, the front suspension knuckles resemble the Ford Focus design. For 2006, the A5 platform went to a multi-link rear suspension design that resembles the Ford Focus down to the blade-shaped upper control arms.
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