I believe that is the electric water pump for the rear heating system.
Antifreeze will be leaking in the floorboard on the passenger side, there will be a smell of antifreeze through the vents.
your heater core is leaking
Antifreeze leaking from the heater core.
The heater coil is leaking. Water from the cooling system runs through the heater coil to heat the passenger compartment. Antifreeze is corrosive, some heater coils are thin.
If you smell antifreeze in the passenger compartment of your car your heater core is probably leaking. It's under the dash somewhere ( depends on the make and model ). Another symptom of a leaking heater core is moisture build up on the inside of the windshield when you run your defroster.
Passenger side floor? Could be leaking heater core
Because the air conditioner is running.
Heater core leaking?
Leaking heater core.
oh no the hose became brittle and fluid is pouring out
more than likely the heater core is leaking
The heater core or connecting hose is broken.