Hi again....just in the middle of fitting HR springs and bilstein sport springs to my 91 sec with sls...on removing the drivers side rear "shock" I noticed it was almost empty of fluid...very little pressure etc. The passenger side sprayed fluid on cracking line open and continued to empty for some time.
Prior to this I noticed the drivers side rear about 1 1/4 " lower than the passenger side rear.
Faulty strut or accumulator or both ???