Heater core may be leaking Door seal? Windshield seal?
Are you sure it's water? Sounds like your heater coil may be leaking...
What can cause a 1195 Oldsmobile to idle rough?
It sounds like you may have a bad heater coil. Next time you get a puddle, smell it... Chances are it is coolant and not water
I have to believe that it would be a bad wheel cylinder that controls the back brakes.
Check the spark plug and the plug wire. If that isn't the problem then check compression. You could also have a bad fuel injector.
troubleshoot the coolant on a 1999 oldsmobile intruge
what engine?
THE BLACK BOX IS A VENT.
injectors
a leak in a head gasket could cause coolant to go into only one cylinder.
Poor preventative maintenance is a leading cause of vehicle breakdowns.
water in passenger floorboard, where is the hose that would cause this?