TSB - SERVICE ACTION: RATTLE NOISE FROM TAILGATE (SA322A) - This bulletin provides the procedure to adjust the overslam bumpers, install a guide bumper mounting kit and to inspect/adjust the striker on some 2018MY Stinger (CK) vehicles, produced from September 21, 2017 through January 4, 2018, which may exhibit a rattle noise while driving, especially over bumps.
