Deteriorating springs or they came that way from the factory. You can add a donut-shaped shim under the low side rear spring, assuming it's only the rear. Have you parked on a super flat surface and measured all four wheel well opening heights?
Bad but obligatory joke: Your wife is fibbing when she says she's still 104 pounds.
Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum
A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, towing capacity, maintenance, and more!