The heater core is similar to a radiator and is a part of the vehicle s coolant system.
Best chemical to unclog heater core.
Be prepared for some more coolant coming out.
Install temporary hoses onto the heater core nipples.
Locate the easiest way to reach the heater core s inlet and outlet.
You may need to.
Restricted or clogged heater core servicing with.
If the heater core hoses are not easily accessible and you have no desire to attempt unclogging the heater core yourself at least you ve isolated the problem and can describe the procedure.
Have the other end in the bucket to collect the coolant and sediment that comes out of the heater core.
A heater core s inlet and outlet can usually be accessible at the.
If the inlet hose is hot warm and the outlet hose is cold you can pretty much determine your heater core is clogged.
Use kool it super foaming action to remove and neutralize the contaminates that live in air conditioning and heater systems of modern cars and trucks.
A clogged heater core will prevent the coolant from passing through it limiting the amount.
Determine what you want to do.
Take a look the hose clamps and figure out which tool you need to loosen them and remove the hoses.
Same as the outlet hose gently twist and pull the hose off.
Best heater core flush works 100 of the time.
If the heater core is small or the core is reduced in volume because of calcium and rust build up you may have to use 1 2 a bottle of et106 and perform the flush twice to get more complete cleaning.
Remove heater core inlet hose.
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.