The "Related Question " below has much discussion, including a temporary fix, for the coolant bypass hose.
Remove and engine block expansion plug. Insert the block heater. Seal the block heater. Attached the wiring harness to the block heater.
the front or rear seal on the timing chain side
It drinks the ice water that is the worlds freshest water comes from
Heater core leaking? Windshield seal leaking? Door seal leaking? Evaporator drain plugged?
Could be heater core leaking Could be a bad windshield seal Could be a bad door seal
Floor at passenger side? Could be heater core needs replacing Other possibilities: door seal windshield seal
Is it water or coolant? If it's water, you probably have a leaky windshield seal. If it's coolant you could have a heater control valve leak.
Passenger side? Could be heater core leaking? Bad seal at windshield? Door seal?
== == == == * Heater core leaking? * Evaporator drain plugged? * Windshield seal? * Door seal? * Water backed up from clogged drain holes
If the leak is by the passenger floor-- could be the heater core check to see if this leak is engine coolant or just water. Could be a leaking windshield seal could be a door seal could be evaporator line is plugged
Check the heater matrix, and any other heater related pipes that may be leaking. Or it could just be a leaking door seal.
Your cabin filter seal is missing or the seal fell down to where it doesn't deflect water from the inside of yhe car .