RepairPal Certified shops can diagnose and repair your 1998 Oldsmobile LSS. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Look in the trunk a for access to the top mounting plate retainer bolts, you do not remove the big nut on top of the strut!!! Do you have the proper equipment to change the coil springs or are you installing new 'quick strut' assemblies??