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If one side of a 2002 Laguna dual heater only blows cold air, it could be due to a few reasons. A common issue is a malfunctioning blend door actuator, which regulates the temperature of the air by controlling airflow from the heater core. Additionally, low coolant levels or a clogged heater core can also prevent hot air from reaching that side. Lastly, there may be a problem with the climate control system or a leak in the ductwork.
What else can I help you with?
What is causing the heater to blow cold air in 2002 Mercury Mountaineer?
you would have to see a mechanic about that problem
Why does the heater on your Renault Laguna 1.9 diesel blow warm air on drivers side and cold air on passenger side?
Our car had this problem. Answer was a new A/C computer needed.
Why will the Car heater for a 2002 mercury gm ls not blow hot air only cold?
Check for low coolant
How will the heater react if the heater core is stopped up?
Your heater will blow cold air only.
Why would a house heater blow out cold air?
It doesn't really blow it out it just warms the cold air.
How can you tell if heater blower is not working?
it wont blow heat itll blow cold air
Why does the heater blow heat while driving and cold at idle?
you need to replace your heater core
Why does your 2002 Montero heater blow cold on the passenger side and warm on the driver side?
Check the following........... 1. A/C heater control doors. 2. A/C heater controller. 3. Trash in the heater box. 4. Partly clogged up heater core.
Why does Kia Sorento heater blow cold air?
you are low on coolingliquid !
Why is my Laguna heater blowing cold air only?
Probably blocked heater matrix. Best thing to do is flush the cooling system with the best stuff you can get.
Why would you smell antifreeze and heater blow cold air?
heater core possibly plugged and leaking
Why would a back heater blow cold air and front heater blow hot air in a 2003 Chevrolet Suburban?
The front expansion valve is clogged.
