Determine what you want to do.
Best chemical to unclog heater core.
Same as the outlet hose gently twist and pull the hose off.
Restricted or clogged heater core servicing with.
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.
Attach the longer section of tubing to heater core inlet.
Be prepared for some more coolant coming out.
Install temporary hoses onto the heater core nipples.
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.
Take a look the hose clamps and figure out which tool you need to loosen them and remove the hoses.
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.
Remove heater core inlet hose.
You may need to.
Best heater core flush works 100 of the time.
If the inlet hose is hot warm and the outlet hose is cold you can pretty much determine your heater core is clogged.
How to unclog a heater core.
Locate the easiest way to reach the heater core s inlet and outlet.
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.
A heater core s inlet and outlet can usually be accessible at the.
Contaminated air conditioning and heater evaporator cores can cause foul smelling health threatening mold and mildew deposits.