Posts Tagged: flush a heater core

Flush a heater core

Reverse flush a heater core to remove clog and get more heat If your heater core doesn’t output heat or outputs too little heat, it may be clogged with corrosion debris or degraded coolant. Many times you can reverse flush a heater core to restore heater core operation. You can do this yourself with a flush kit from an auto parts store and an adapter from a home center. Or you can buy a special flush gun. What are the symptoms of a bad heater core? See this post If … Read More