What does the heater core do on a 1979 Chevy truck?
The heater core on a 1979 Chevrolet truck acts just like the radiator on the front of the truck, but it does the job slightly differently. The heater core takes the coolant that circulates from the engine and circulates it through its core.
What happens to the coolant when the heater core breaks?
The heater core takes the coolant that circulates from the engine and circulates it through its core. The heat is then blown out with the blower motor through the dash vents. If the heater core breaks, coolant can leak into the truck. To fix the issue, replace the heater core. The job should take about an hour for experienced home mechanics.
How do you take heater core out of case?
Unbolt the heater core case screws, working through the fender with the 3/8-inch ratchet and socket. Unbolt the heater core from the case with the 3/8-inch ratchet and socket and take it out of the case. Install the replacement heater core into the case with the 3/8-inch ratchet and socket.
How do you replace a hot water heater?
Install the replacement heater core into the case with the 3/8-inch ratchet and socket. Install the case back into the dashboard with the 3/8-inch ratchet and socket, then reconnect the temperature door cable. Install the heater hoses onto the heater core on the firewall with the flathead screwdriver.
Do you need to replace the heater in a GMC Truck?
When you are working on your classic Chevy or GMC truck restoration or customization project, you want your finished ride to be as comfortable as possible, so you may be redoing the heating and cooling system. You will find all the parts you need to repair or replace the heater and other parts for the heater in your truck below.
How does a 1979 Chevy truck heater work?
The heater core on a 1979 Chevrolet truck acts just like the radiator on the front of the truck, but it does the job slightly differently. The heater core takes the coolant that circulates from the engine and circulates it through its core. The heat is then blown out with the blower motor through the dash vents.
How do you replace the heater core on a Chevy truck?
Remove the hose clamps on the heater core with the flathead screwdriver, then pull the lines off of the heater core tubes. Open up the passenger door and locate the climate control box under the dashboard. Disconnect the temperature door cable from the distributor duct adapter with your hands.
Where does the coolant go in a heater?
Hot engine coolant circulates through the heater core. When the driver turns on the heat, the blower motor blows air across the heater core and into the cabin. What are the symptoms related to a bad heater core?