| Components |

| 1. Gasket 2. Water pump |
3. Water pump pulley |
Removal and Installation 1. Disconnect the battery negative terminal. 2. Loosen the drain plug, and drain the engine coolant.
Removal 1. Drain the coolant. (Refer to Cooling System - "Coolant") 2. Remove the drive belt.
Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.