How do you replace the heater core on a Chevy Silverado?
How do you replace the heater core on a Chevy Silverado? Replace the heater core. Once the deed is done, take your time and re-install all of the dashboard components. Be wary of the screws and bolts you use to re-install the components, as some are slightly longer and will not fit all the way in. After everything is back together, top off the coolant and reconnect the negative battery cable. Do you need to remove the glove box when replacing a heater core? Use caution when installing the heater core, these units are made of thin metal and plastic...