Contaminated air conditioning and heater evaporator cores can cause foul smelling health threatening mold and mildew deposits.
Best chemical to unclog heater core.
Install temporary hoses onto the heater core nipples.
Take a look the hose clamps and figure out which tool you need to loosen them and remove the hoses.
Locate the easiest way to reach the heater core s inlet and outlet.
Restricted or clogged heater core servicing with.
Same as the outlet hose gently twist and pull the hose off.
Have the other end in the bucket to collect the coolant and sediment that comes out of the heater core.
You may need to.
Be prepared for some more coolant coming out.
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.
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.
Determine what you want to do.
Remove heater core inlet hose.
Attach the longer section of tubing to heater core inlet.
The heater core is similar to a radiator and is a part of the vehicle s coolant system.
Best heater core flush works 100 of the time.
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.
How to unclog a heater core.