Charge Air Cooler (CAC) Inspection

Cummins diesel engine charge air cooler CAC

If the engine experiences a turbocharger failure or any other occasion where oil or debris is put into the CAC, the CAC must be cleaned.  Remove the CAC from the vehicle. Refer to the vehicle manufacturer’s instructions.  Visually inspect the CAC for cracks, holes or damage.  Inspect the tubes, fins and welds for tears, breaks or other damage.