2005 Honda Civic Q&A
2005 Honda Civic Question: Water leaking on passenger floorboard
I have water leaking on the passenger side floorboard every time I drive lately. It hasn't been raining and I haven't been running the AC, or even the fan, so I can't see it being a problem with the AC drain hose or whatever I've been seeing as suggestions to this problem. It's also not coloured or strange-smelling like it is when people say it might be the heating core. What could this be? The car seems to be running fine, but this is a pain. - Jenx
If you are slowly losing coolant your heater core is leaking, you need to have your cooling system pressure tested to be sure - Valleyautotech
The A/C system can turn on automatically even though you don't push the A/C button. It's not uncommon to have the A/C drain get plugged by debris. Even though you say you are not running the A/C or turning on the fan I would check the A/C drain first just to make sure. - rdude135
I BELIEVE IT'S COMING FROM THE AC. SOMEONE TOLD ME THAT IT COULD BE THE LINES CLOGGED. WHAT LINES? I HAD MY HEATER CORE REPLACED THIS PAST WINTER, COULD THAT HAVE SOMETHING TO DO WITH IT? I HAV...