Heater Core: Description and Operation

GF83.20-P-3123CW Heating System Heat Exchanger, Component Description

Component Identification:

Location
The heater heat exchanger is located in the air conditioner housing underneath the instrument panel.

Task
The heater heat exchanger warms the air flow which is directed to the vehicle interior via the various air distribution vents.

Function
A continuous flow of coolant that has been heated by the engine runs through the heater heat exchanger.

The heat is dissipated via the coiled pipes and lamellae made of aluminum towards the outside to the air blowing by, which is heated up in the process and then routed into the vehicle interior.