Hood misalignment, cowl cover misalignment, wiper module drain tube(s), and/or the lower plenum drain hose may cause the HVAC housing to leak water onto the passenger side floor. Diagnoses will be required to confirm the location of a water leak in the front passenger area.Google+
Car Problem Reports
Dodge Grand Caravan Issues Causing the HVAC Housing to Leak Water in the Passenger Side Floor
Dodge Grand Caravan Problem
Average Mileage: 108,993 mi (82,300 mi - 150,000 mi)
Visitor, 2001 Dodge Grand Caravan, 105,666 mi
Water leaking out of the ac floor vent not the fire wall floor vent. Leaking couple months ago from drain line through firewall. Repaired with rubber elbow to divert water from dripping bank into and through firewall.
Visitor, 1995 Dodge Grand Caravan, 107,000 mi
Passenger floorboard is soaking wet!
Visitor, 1997 Dodge Grand Caravan, 82,300 mi
leak on passenger side floor---heaterbox drain hose on firerwall was cloged