4.
Check for engine coolant leakage. If the engine coolant leaks, the seal is defective. Replace the engine coolant pump assembly.
Check the pump for cracks, damage or wear. Replace the pump assembly if necessary.
Check the bearing for damage, abnormal noise, and sluggish rotation. Replace the pump assembly if necessary.
Check the seal for leaks. Replace the pump assembly if necessary.
Check for engine coolant leakage. If the engine coolant leaks, the seal is defective. Replace the engine coolant pump assembly.
