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Ask Randall Your Own Question
Randall, ASE Certified Technician
Category: Mitsubishi
Satisfied Customers: 12824
Experience:  ASE Master Tech, 32 years, diagnostic/repair/ electrical specialist
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Water leak when I have the ac on, sorry under the drivers

Customer Question

water leak when I have the ac on
JA: What part of the car is the leak coming from? And are you sure it's water?
Customer: sorry under the drivers side floor
JA: What is the model/year of your Mitsubishi?
Customer: 2003
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: its like water with a little oil
JA: Anything else you think the mechanic should know?
Customer: no Ill pay but want to know around how much and whats the fix
Submitted: 1 year ago.
Category: Mitsubishi
Expert:  Randall replied 1 year ago.

hello, I need model and engine size and, what do you mean under drivers floor, do you mean carpet is getting wet on drivers side? lastly, this is water and not coolant correct?

Customer: replied 1 year ago.
the leak only happens when my ac is on
Customer: replied 1 year ago.
its a 2003 gallant with the 2.4 engine
Customer: replied 1 year ago.
the carpet under driver side and I think its a mix because the water has a feel of a little bit of oil or something
Expert:  Randall replied 1 year ago.

Ok, bear with me

Customer: replied 1 year ago.
10 4
Customer: replied 1 year ago.
im at work so I cant talk
Customer: replied 1 year ago.
all I want to know is what it is that I need to replace so I can buy the part and take to a mechanics
Expert:  Randall replied 1 year ago.

Ok, what you have going on is a blocked evaporator drain hose, The ac need to be able to drain off condensation, If the tube gets blocked? it backs up and runs onto drivers or passenger side floors,, It s NOt a matter of replacing anything, car is lifted on a lift and hose located and compressed air blown back into it to clear the tube, Very common problem, Very easy fix once at tube and compressed air, Many shops dont even charge for this if good customer or will do during oil change. This link is a picture of what the drain tube looks like, they gets bugs and road debris in them and need cleaned at times