heater core
water in passenger floorboard, where is the hose that would cause this?
An antifreeze leak.An antifreeze leak.
A damaged heater core will cause coolant or water to leak onto the passenger floorboard.
YesYes
cracked hoses
Yes, it can.
A small radiator leak can cause antifreeze to leak on your 1998 Chevy Lumina when there are not any spots on the ground. A pinhole in a hose can also cause this.
You have a leak either around your windshield or in the firewall. The best way to find the leak is to bring it through a car wash and watch it
I also need an answer to this question, but my floorboard does not get wet. Is it clogged or is it a bad heater core? It is most likely a bad heater-core if it is antifreeze.
cracked head or bad gasket
Coolant leak, possible heater core. Suggest to have it pressure tested to find leak.
Headgasket!