Q:

What are some signs that your car's rear suspension needs repaired?

A:

Quick Answer

"Porpoising", or bouncing up and down when going over bumps or potholes is a key sign that a car's rear suspension shocks, struts and coil springs may need to be repaired or replaced. Bouncing and shimmying during turns are another sign of rear suspension problems.

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Full Answer

To check the rear suspension, a mechanic may do a bounce test. This is a simple examination involving pushing each corner of the vehicle down, then releasing it quickly and observing the results. A good shock absorber or strut bounces no more than twice, while a corner with a failing shock absorber or strut bounces several times.

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