Could my Vauxhall Zafira's suspension be failing gradually?

My seven-year-old Vauxhall Zafira has been faultless, but lately it seems to make heavy weather of speed bumps. Can the suspension fail gradually or is it always sudden?

Asked on 4 September 2010 by rw45

Answered by Honest John
The suspension bushes will fail gradually, but a spring around a strut could be broken at the cup end and still function.
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