Replacement is a major job requiring complete dashboard. You may have a clogged heater core so do a heater core flush and unclog it This guide covers the common failure symptoms, compatibility issues, and intensive replacement process for the heater core in three generations of the subaru legacy and outback.
How to Flush a Heater Core: 14 Steps (with Pictures) - wikiHow
You could pull the hoses off and try running water like from a 5/8 garden hose with the end cutoff through the heater core and see how much flow you get
I usually just take off one of the hoses.
I talked the manager prior service technician at subaru and he said yeah 100% could be heater core causing overheating, so i’m. 2010 outback heater blows warm air only through dash vents outback often has issues with blend door actuators and clogged heater core passages affecting airflow distribution. If the heater core is blocked, the hot coolant in the heater circuit doesn't reach the thermostat, or, if there's only a reduced flow through the core, the temperature of the returning coolant. A clogged heater core will prevent the coolant from passing through it, limiting the amount of heat that can be transferred
Flushing the heater core can remove these clogs, but if it fails to work, you may need to have your heater core replaced. A clogged or blocked heater core can cause the engine to overheat, leading to an increase in the temperature gauge reading Keep an eye on the gauge while driving to see if it remains within the. The most common reasons a 2010 subaru outback heater isn't working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.
Ive flushed my heater core 3 or four times now with improved heating from when i started
However after 5 minutes of full heat passenger side goes luke warm Should i continue flushing it or call. Because this part is a key component of both the heating and engine cooling systems, failure can lead. I am having some over heating issues
My outlet hose back into radiator builds pressure and heat but the hose going to thermostat is cold. I was burbing my system. But in any case, is it a hard job to flush the heater core Hopefully i dont need to replace the core
But the question remains, why would a plugged heater core make the car overheat
Hey everyone, i've got a 2011 subaru legacy 2.5i, i'm going to get my headgaskets replaced after a long time trying to deny the fact that they were blown lol I recently used a headgasket sealer.
