Floorboard water

Asked by Aug 16, 2017 at 08:20 AM about the 2007 Buick Lucerne CX

Question type: Maintenance & Repair

Drivers floorboard is flooded also rear

4 Answers


Make sure windshield is not leaking or firewall where engine compartment to cab is. Water can only be coming from below if there's no plug. Firewall and runs down or windshield and runs down to floor


Could also be leaking from heater core (making it coolant on the floor), or heater box condensation drain is plugged (which would just be water). If you're getting wetness on the floor and car hasn't been out in the rain, it would likely be one of those two options.


Heater core and condensation plug is both on passengers side


Coolant you can smell. Different color

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