| Removal |
| 1. | Loosen the drain plug, and drain the engine coolant. Remove the reservoir cap to help drain the coolant faster. (Refer to Cooling System - "Coolant") |
| 2. | Remove the drive belt. (Refer to Timing System - "Drive Belt") |
| 3. | Remove the water pump pulley (A).
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| 4. | Remove the water pump (A).
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| Inspection |
| 1. | Check each part for cracks, damage or wear, and replace the water pump assembly if necessary. |
| 2. | Check the bearing for damage, abnormal noise and sluggish rotation, and replace the water pump assembly if necessary. |
| 3. | Check for coolant leakage. If coolant leaks from hole, the seal is defective. Replace the water pump assembly.
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| Installation |
| 1. | Install the water pump (A) with the new gasket.
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| 2. | Install the water pump pulley (A).
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| 3. | Install the drive belt. (Refer to Timing System - "Drive Belt") |
| 4. | Fill the radiator with coolant and check for leaks. (Refer to Cooling System - "Coolant") |
| 5. | Start engine and check for leaks. |
| 6. | Recheck the coolant level. |
Components1. Water pump pulley2. Water pump3. Gasket
TroubleshootingWater Pump Symptoms Possible Causes Remedy Coolant leakage• From the bleed hole of the water pumpVisually check• Check leaks after about ten-minute warming up.
Inspection1.Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature.1. Ambient Sensor (+)2. Sensor groundSpecification Ambient temperature [°C (°F)] Resistance between terminal 1 and 2 (
Diagnosis With GDS1.The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).※ The diagnostic system (GDS) provides the following information.(1) Self diagnosis : Checking the failure code (DTC) and display.