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What should I do if my Chevy Astro heater is not working?

What should I do if my Chevy Astro heater is not working?

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. The good news is that you don’t need to completely remove the instrument panel to reach the core like you do on most vehicles. Drain the van’s engine coolant.

Do you need to replace the radiator 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. The good news is that you don’t need to completely remove the instrument panel to reach the core like you do on most vehicles.

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.

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. The good news is that you don’t need to completely remove the instrument panel to reach the core like you do on most vehicles. Drain the van’s engine coolant.

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. The good news is that you don’t need to completely remove the instrument panel to reach the core like you do on most vehicles.

How do you remove a heater cover from a van?

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.

Where does a leaking heater core come from?

A leaking heater core usually will cause a much more annoying leak. On most new vehicles, the heater core is inside the cabin of the vehicle.

Can a car heater core leak into the cabin?

Even if you have an older vehicle with the heater core outside the cabin, leaking fluid can still find its way into the cabin through the ventilation ducts. Having coolant leaking into the cabin of your vehicle can cause all sorts of problems.

What does it mean when your heater core is leaking?

Having a leaking heater core can be one of the most frustrating leaks you can have in your vehicle.   Almost any leak in your car is an external leak, meaning the leaking fluid will just leak out onto the ground.

Even if you have an older vehicle with the heater core outside the cabin, leaking fluid can still find its way into the cabin through the ventilation ducts. Having coolant leaking into the cabin of your vehicle can cause all sorts of problems.

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.

What causes a heater control valve to stop working?

The mechanical unit can leak coolant or the vacuum diaphragm can rupture causing a vacuum leak which will stop control valve operation. The cooling system is pressurized so a coolant leak at the control valve can cause the coolant level to become very low and cause the engine to overheat. Loading…

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 heater control valve on a Chevy Astro?

The heater control valve exists in a part of the system after the engine, but before the radiator so the coolant in this part of the system has been heated when it arrives to the valve. Once the valve is activated, the heated coolant can flow into the passenger compartment and fill the heater core.

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…

The mechanical unit can leak coolant or the vacuum diaphragm can rupture causing a vacuum leak which will stop control valve operation. The cooling system is pressurized so a coolant leak at the control valve can cause the coolant level to become very low and cause the engine to overheat. Loading…

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Ruth Doyle