How To Unclog A Heater Core In A Car

You have your main radiator in the front of the car and two hoses its not often that they are pipes but its not unheard of an inlet and an outlet that connect to the corresponding pipes attached to the heater core. A heater cores inlet and outlet can usually be accessible at the firewall.

Heater Core Unclog Clean Heater Core Flush Heater Core

Switch the hoses and flush.

How to unclog a heater core in a car. Step 1 check the coolant level. Your heater core is a really basic set up. With the airline or hose sealed as well as you can to the heater hose outlet turn on the air or water.

Add antifreeze to the radiator and start the vehicle again with the radiator cap off in case the system needs to burp. But with a little diagnosis you can usually figure out the problem. Btw the product used in the video was clr.

You will inspect the whole heater system. Replace the hoses to the heater core and tighten the clamps. How to unclog a heater core.

Heater cores can get clogged from time to time and this video presents a solution to that problem should you have it. A good test to see if your heater core is clogged is to feel the hoses going into it in the firewall. Check underneath for clamp leaks and add antifreeze as necessary until the thermostat gauge in the vehicle gets up to operating temperature.

These are normally the feed and return hoses for the heater core. Heater problems in the winter suck. Look at the firewall or bulkhead for two hoses close together.

Turn on the hose or air compressor. How to unclog a heater core. You may have a clogged heater core so do a heater core flush and unclog it.

Turn on the water and flush the system like before. The heater core is a small car device that enables the antifreeze to flow to the thermostat. Allow the pressure to build in the system to remove any clogs.

Learn how to flush your heater core and get it working to full capacity again instead of spending hundreds on a replacement. The first thing you need is to check the coolant level in the radiator as well as the overflow tank before starting the engine. Set up the garden hose to pump into the inlet of the heater core and have the drain pipe on the outlet.

Step 1 locate the easiest way to reach the heater cores inlet and outlet. Since you just reversed the flow with the first flush youll go to regular flow direction to try and loosen up the sediment. With the engine warm and running feel the hoses.

If you cant gain access to these trace the hoses and find out if they can be disconnected at the engine. The coolant and grime will drain out of the heater inlet and into the container beneath the vehicle.

How To Unclog A Heater Core Ericthecarguy