Water Pump: Testing and Inspection

1. Check the engine coolant pump for cracks, damage or wear. Replace the engine coolant pump assembly if necessary.
2. Check the bearing for damage, abnormal noise, and sluggish rotation. Replace the engine coolant pump assembly if necessary.
3. Check the seal unit for leaks. Replace the engine coolant pump assembly if necessary.
4. Check for engine coolant leakage. If engine coolant leaks from hole "A," seal unit is defective. Replace engine coolant pump assembly.