I have bought a car 2 years ago and want to add a heater core, I found many online sites which sell heater cores but the best is http://www.autopartswarehouse.com is a very good site to buy heater cores from.
A high pressure will be able to push the coolants into the heater cores.
If it has rear heat it has two heater cores. One in the front and one in the back.
The heater core can leak get pluged up or simply wear through with time. When they leak it will probly leak engine coolent into the cabin of the car or truck. When they get pluged up your heater will not heat the car and the coolant system of the car will not operate properly to cool the car.
A vehicle block heater's main purpose is to warm an engine enough to increase the car's starting speed. This is especially useful in winter to get a car started.
Called a Heater Core in North America. This is a little radiator to make the air in the car warm
replace front heater corefront and rear have independent heater cores
The 2003 Chevrolet Trailblazers has two heater cores. One operates the front area of the vehicle while the other heats the rear of the vehicle.
There are 2 if it is dual climate control
To replace most heater cores you have to remove the dash on the passenger side.
Heater cores in all vehicles are up under the dashboard inside the vehicle.