Do you need to replace the heater core in a Chevy Astro van?

The heater core in the Chevy Astro van acts like a small radiator that the engine coolant passes through. If the van’s heater has trouble working, you may need to replace the core.

Where is the water heater located in an astro?

The water runs through the heater core and returns to the Astro’s intake manifold on the engine side of the thermostat housing. The heater core and the air conditioning evaporator share the same housing under the dash but are in separate compartments. The blower motor is located in the part of the housing located under the glove compartment.

Where does the water go in an Astro van?

The heating system on an Astro van starts at the water pump, where the water is picked up and transferred through a hose to the heater core. The water runs through the heater core and returns to the Astro’s intake manifold on the engine side of the thermostat housing.

How do you remove a heater core from a van?

Plug the core tubes with rubber to prevent contaminants from entering. Reach under the dashboard in the van’s passenger compartment and remove the screws for the heater core cover to remove it–the cover should have a half-cylinder shape. Remove the two mounting screws at the rear of the heater core and lift the core out of its housing.

Why is my Chevy Astro heater not working?

While there are a variety of reasons your Chevrolet Astro heater is not working, the most common 3 are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor.

What happens if the heater control valve fails?

When the heater control valve fails, adjusting the temperature may not change the air temperature at the vents, whether hot or cold. Also, the valve could leak engine coolant, p…

What to do if your Ford Fusion heater is not working?

When the blower motor resistor fails, the air conditioner and heater may still work, but air may blow from the vents at only some of the fan speed settings. If the resistor isn…