| Removal |
| 1. |
Drain the coolant.
(Refer to Cooling System - "Coolant")
|
| 2. |
Remove the drive belt.
(Refer to Timing System - "Drive Belt")
|
| 3. |
Remove the water pump pulley (A).
|
| 4. |
Remove the water pump (A).
|
| Inspection |
| 1. |
Check each part for cracks, damage or wear, and replace the coolant
pump assembly if necessary.
|
| 2. |
Check the bearing for damage, abnormal noise and sluggish rotation,
and replace the coolant pump assembly if necessary.
|
| 3. |
Check for coolant leakage. If coolant leaks from hole, the seal is defective.
Replace the coolant pump assembly and gasket.
|
|
| Installation |
| 1. |
Install the water pump (A) and a new gasket with the bolts.
Tighten the bolts with the order blow.
|
| 2. |
Install the water pump pulley (A) with the four bolts.
|
| 3. |
Install the drive belt.
(Refer to Timing System - "Drive Belt")
|
| 4. |
Fill with engine coolant.
(Refer to Cooling System - "Coolant")
|
| 5. |
Start engine and check for leaks.
|
| 6. |
Recheck engine coolant level.
|
Components 1. Gasket 2. Water pump 3. Water pump pulley
Troubleshooting Symptoms Possible Causes Remedy Coolant leakage • From the bleed hole of the water pump Visually check • Check leaks after about ten-minute warming up.
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the evaporator temperature sensor connector. 3. Measure the resistance between terminal "+" and "-" of the evaporator temperature sensor.
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.