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Why do my suspension bushings wear out so quickly?
The dual track bar system on the coil spring Quadravan drastically limits suspension travel. The amount of movement in the front suspension is directly related to how much "give" the track bar bushings have. This constant pounding of the track bar bushings shortens their life span. If the coil springs are not in good condition, the increased load of supporting the van via the track bars amplifies the problem.
Some owners have tired of replacing the rubber bushings and have switched to the more popular urethane. Urethane bushings are much harder, and flex less. The lack of flexibility makes the van ride much harder, and causes suspension components like the spring mount plate bolts to shear and break free. The engine cross member, where the upper portion of the track bar mounts can also be damaged as well. The separation of such important components at speed can be hazardous to your health.
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