Remove heater core inlet hose.
Best chemical to unclog heater core.
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 heater core s inlet and outlet can usually be accessible at the.
Best heater core flush works 100 of the time.
Be prepared for some more coolant coming out.
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.
Contaminated air conditioning and heater evaporator cores can cause foul smelling health threatening mold and mildew deposits.
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.
A clogged heater core will prevent the coolant from passing through it limiting the amount.
You may need to.
Have the other end in the bucket to collect the coolant and sediment that comes out of the heater core.
If the inlet hose is hot warm and the outlet hose is cold you can pretty much determine your heater core is clogged.
Attach the longer section of tubing to heater core inlet.
Restricted or clogged heater core servicing with.
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.
Install temporary hoses onto the heater core nipples.
The heater core is similar to a radiator and is a part of the vehicle s coolant system.
Determine what you want to do.