| 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.
Replacement 1. Remove the heater unit assembly. (Refer to Heater - "Heater Unit") 2. Loosen the mounting screws and remove the heater core cover (A). 3.
Inspection Operating Logic Test (Manual only) Inspect the PTC operation by confirmation logic as follows; 1. Entering (1) Set the Floor mode and maximum heating position. (2) Turn off the blower switch.