Charge Air Coolant Pump
| ITEM | DESCRIPTION |
|---|---|
| 1 | Hose connection - Engine coolant inlet |
| 2 | Hose connection - Engine coolant outlet |
| 3 | Electrical connector - Powertrain Control Module (PCM) |
The charge air coolant pump is installed on the viscous cooling fan. The charge air coolant pump circulates the engine coolant from the auxiliary radiator to the charge air cooler. The Powertrain Control Module (PCM) controls the operation of the charge air coolant pump through the Pulse Width Modulation (PWM) signal.