On the 2006 Toyota Avalon, there are a few different things that can be a sign that new struts are needed. First, the average life span/recommended replacement interval is every 50,000 miles. If the tires are showing signs of “cupping” (run your hand back-to-front on the flat part of the tire. When there is any feel of “edgyness” this is “cupping). If the vehicle tends to hit bumps a little harder than what you feel it should, or not handle as tightly in corners as you feel it should, this is also a sign. A visual inspection of the strut can be an indicator as well. Look for any signs of leaks. The leaks will look like oil-drip stains on the body of the strut. Lastly, the “bounce test”- go to a corner of the vehicle and, using your body weight, bounce the corner 3 times. The vehicle should bounce back once and then stop moving. Any more than once, and the struts are worn. Like I say though, rule of thumb is every 50,000 miles.
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