2

Could have freaked out the HVAC actuators . You could try to have the actuators re-homed at a dealership or any shop that has a Tech 2 scanner on hand . If this dose not fix the issue look for codes in the HVAC module you could have a bad temp door actuator .


1

I can't find a diagram for the Buick, but most vehicles I've dealt with have had a plate somewhere in the engine bay (usually either the inner wing, the rear panel or the slam panel above the grille) with all the car details on - VIN/chassis number, colour codes, weights etc.


1

If you have electric controls, then it's possible that the little metal clips inside the switches have broken off or bent enough to no longer make contact. I have to rebuild the passenger switch in my 01 Dodge Ram 1500 every now and then for the same reason. If none of the controls work on any of the windows, then it could be a severed or disconnected wire ...


1

There is no way, to my way of thinking, this could be the bearings in the engine. There is absolutely no way you could get any type of penetrating oil into the bearing area of the engine using any type of spray means. These areas are sealed against outside contamination by means of a seal and oil pressure (meaning, if the seal starts to fail, you'd see oil ...


Only top voted, non community-wiki answers of a minimum length are eligible