EGR Cooler: Description and Operation

Exhaust Gas Recirculation (EGR) System Cooler

Exhaust Gas Recirculation (EGR) System Cooler:

The exhaust gasses are directed through the EGR system cooler to remove heat before the gasses arrive at the EGR valve. Engine coolant is used to reduce the exhaust gas temperature by directing coolant flow through the EGR system cooler.