1995 Turbo Wagon. With engine off, something keeps running. Sounds like a bad alternator bearing, but it isn't running. What are some of the things it could be? Terry

Within the last week I've been losing coolant with no evidence of a leak anywhere. Wanted to check the spark plugs to see if I may have a head gasket problem. Four of the cover plate screws came out with no problem. The other two seem to be stripped inside the screw head. What is the best way (or ...