Powertrain Secondary Cooling System Flow
โข The powertrain secondary cooling system cools the following components:
โโ Charge Air Cooler (CAC)
โโ fuel cooler
โโ EGR cooler
โโ transmission oil cooler
โข The coolant is drawn into the inlet of the coolant pump from the degas bottle. The coolant exits the pump and is routed to the radiator.
โข The radiator for the powertrain secondary cooling system has two stages.
โข The inlet for the transmission oil cooler and the EGR cooler comes from the right side of the radiator after the first stage of cooling.
The inlet for the CAC and the fuel cooler comes from the left side of the radiator after both stages of cooling.
The outlet for all heat exchangers returns to the degas bottle.