Clr To Clean Out Heater Core

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Clr to clean out heater core.

Radiator flush which is an acid much like clr but which has been tested fairly well in cooling systems. The heater core is similar to a radiator and is a part of the vehicle s coolant system. Have the other end in the bucket to collect the coolant and sediment that comes out of the heater core. Same as the outlet hose gently twist and pull the hose off.

Remove heater core inlet hose. Attach the longer section of tubing to heater core inlet. A clogged heater core will prevent the coolant from passing through it limiting the amount of heat that can be transferred. I pulled the heater core and found it to look very good.

I am wondering if i can use some clr cleaner to help flush out any residue stuck in the heater core. You should know however that if you have a heater core that is plugged it may also be. Flushing the heater core can remove these clogs but if it fails to work you may need to have your heater core replaced. And i plugged the bottom radiator hose inlet then i filled the entire radiator with straight clr topped it off with vinegar.

How to s on repair restoration detail and customization of jd. I then poured an entire container of clr into the heater core until it started spilling on the opposite end of the heater core. Hot coolant that has passed through other parts of the engine is run through the heater core as air is forced past it and into the cabin of the vehicle to heat it. Be prepared for some more coolant coming out.

Recently i heard about the idea about using clr to clean out a radiator so i purchased several bottles of clr and i disconnected the radiator hoses and drained the radiator.