How often do you change barrens in vehicles?

What is your question?

I hear sqeaking sound goinng over humps. Its under warranty changed struts. 2 months later same sound. Said the other strut. Suggested that i have barrens replaced. I own a 2003 Sequioa and never had barrens changed.

What makes this problem better or worse?

Driving over humps

How long has your 2015 Toyota Avalon had this problem?

6 months total