Just because the outside of your shocks show no signs of leaking doesn’t mean they are still working properly. When an internal seal has damage, oil and nitrogen mix and create a foam like seen here which seriously impacts shock performance. That’s why shock manufacturers recommend rebuilding your shocks every 2000-3000 miles. Now’s a great time to get your shocks rebuilt for southwest desert season! If you are local to Phoenix, AZ or Charlotte, NC, you can bring your car in or drop your shocks