something weird happened to my car's power steering last night. suddenly it went squealing...parang napupunit na fan belt tapos pag-kabig left/right my krug,krug sound. but when i stop the car and check, buo naman fan belt at wala ako makita leak. then pag-andar ko uli nawala na yung ingay. even after a 1-1/2 hr drive kanina umaga from residence to work wala na yung ingay. ano kaya yun?