i have replaced the front shocks and struts. vehicle is still unstable. i have had it to two different shops, neither could find anything seriously wrong. rear suspension seems to be working fine. air pump is cycling periodicly. it has perilli tires on it, new in 2015. ive lowered tire pressure to 32 lbs, it seems to help. but there is definitely something wrong. i wonder if it is the pirellis. any advice, write me carl. shuster0008@aol.com