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Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems
Category: Chrysler
Satisfied Customers: 3963
Experience:  Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic Vehicles .
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2005 Chrysler T&C heater was blowing cold air and engine

Customer Question

2005 Chrysler T&C heater was blowing cold air and engine overheated. Topped off the overflow bottle. Engine temp now ok, but heater blows sometimes hot sometimes cold.
JA: Have you checked the freon? And do all the fuses have power?
Customer: Have not checked fuses. Refilled coolant.
JA: What is the model of your '05 Chrysler?
Customer: Town and Country
JA: Are you fixing your Town and Country yourself? What have you tried so far?
Customer: Refilled coolant.
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 11 months ago.
Category: Chrysler
Expert:  Chad Farhat replied 11 months ago.

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

Expert:  Chad Farhat replied 11 months ago.

hey how are you

1- first you need a coolant pressure test , to see if there is any visible leaks :Where did that coolant go that u topped of

2- the coolant system needs drain, flush & bleed afterwards to make there is no air bubble in the system causing internment heat heat ?

3- if sitting on idle , if you give it gas , higher rpm, will the heat increase out of the vents ?

4- what is the mileage on it

Please let me know

Thank You

Chad Farhat

ASE Certified Technician

Customer: replied 11 months ago.
Mileage is about 88,000. Heat output seems to be steady when I increase rpm. No visible leaks, but I topped it off with 2-3 quarts of antifreeze two days ago and had to add the rest of the gallon when I checked just now.
Customer: replied 11 months ago.
It's raining outside, so I won't be working on it with a phone call right now. Any further advice welcome.
Expert:  Chad Farhat replied 11 months ago.

If you don't see any leaks on the ground , those van has an issue with a leaking heater core.inside the dash, the one that creates the heat

I would do what i mentioned above and retest , drain, coolant flush, reverse flush and bleed system .

if you still losing coolant ,I would look into the heater core

Please let me know if you need anything else on it, just reply back and we will continue

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Thank You
Chad Farhat
ASE Certified Technician