They do have a couple kinds of seizure screws for the housing that fits GM part number 143190 that needs a seizure wrench should be removed, part number 548774 that takes a 0.5-in nut driver has a low voltage and a high voltage you can tell the difference by the back of them, blue or black ring. Tighten each seizure screw from 2ft-lb to 5 ft-lb (2.7 Nm to 6.8 Nm).