Removal and Installation

WATER PUMP


Removal and Installation


CAUTION:
- When removing water pump, be careful not to get engine coolant on drive belts.
- Water pump can not be disassembled and should be replaced as a unit.
- After installing water pump, connect hose and clamp securely, then check for leakage using radiator cap tester (commercial service tool) and radiator cap tester adapter (commercial service tool).

REMOVAL
1. Remove following parts:
- Front engine undercover (power tool)
- Engine cover: Refer to Removal and Installation.
- Engine room cover (RH and LH): Refer to Component Removal and Installation.
- Air duct (inlet): Refer to Exploded View Removal and Installation.
- Alternator, water pump and A/C compressor belt: Refer to Component Testing and Inspection Adjustments Removal and Installation.
2. Drain engine coolant from drain plugs on radiator and both side of cylinder block. Refer to Changing Engine Coolant and Disassembly and Assembly.

CAUTION:
- Perform this step when engine is cold.
- Never spill engine coolant on drive belts.
3. Remove water pump pulley.
4. Remove water pump.
- Engine coolant will leakage from cylinder block, so have a receptacle ready under vehicle.

CAUTION:
- Handle the water pump vane so that it never contact any other parts.
- Never disassemble water pump.

INSPECTION AFTER REMOVAL
- Visually check that there is no significant dirt or rusting on water pump body and vane.





- Check there is no looseness in vane shaft, and that it turns smoothly when rotated by hand.
- If anything is found, replace water pump.

INSTALLATION
Install in the reverse order of removal.

INSPECTION AFTER INSTALLATION
- Check for leakage of engine coolant using radiator cap tester adapter (commercial service tool) and radiator cap tester (commercial service tool). Refer to Inspection.
- Start and warm up engine. Visually check if there is no leakage of engine coolant.