The track control arms of a Volkswagen 1302 and 1303 Beetle are equipped with metal bushes, fitted with vulcanized rubber, in the head of the chassis. The third generation Volkswagen Bus (the Vanagon T25/T3 ) have an upper and a lower support arm, the lower support arm is provided with one pressed rubber per side, the upper one needs two vulcanized metal rubbers per support arm.
Rubber wear usually causes an annoying vibration, which cannot be eliminated by aligning or balancing the wheels. A very common disease in the Volkswagen Beetle. During a complete restoration, it is advisable to replace these silenblocks as a precaution, so as not to be confronted with problems after the first test drive.
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