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Ask sprinkles08 Your Own Question
sprinkles08, ASE Certified Technician
Category: Volvo
Satisfied Customers: 23111
Experience:  ASE Master and Advanced level certified. Factory trained with 17 years dealership experience
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Loosing coolant when turn on heater and fan runs when turn

Customer Question

Loosing coolant when turn on heater and fan runs when turn car off
JA: How many miles on the car? How has your mileage been lately?
Customer: 18200
JA: What is the model/year of your Volvo?
Customer: 2005 xc90 t6 volvo
JA: Are you fixing your XC90 yourself? What have you tried so far?
Customer: I had a mechanic replace overflow tank
JA: Anything else you want the mechanic to know before I connect you?
Customer: While you sitting at a light it's light hesitant or suge a little bit
Submitted: 11 months ago.
Category: Volvo
Expert:  david craig replied 11 months ago.

Hi Im David thanks for visiting the site. did the mechanic do a pressure test on the cooling system to determine where its leaking from? have you checked the carpet to see if it getting wet since you said you only lose coolant when the heat is on? has it been overheating?

Expert:  david craig replied 11 months ago.

can i be of further assistance?

Expert:  david craig replied 11 months ago.

just checking in to see how its going

Expert:  sprinkles08 replied 10 months ago.

Hello and welcome to JustAnswer!

There are several possible sources for a coolant t leak. Any hose, the radiator, heater core, water pump, head gaskets, etc can all leak coolant.

It may take a pressure test to find the source of the leak but it may be something that can found easily without it. If the leak is substantial then it shouldn't be hard to locate.

How quickly is the coolant leaking?