A customer thinks their water pump must be faulty because their engine seems to be running hotter than usual. You carefully examine the pump. You determine it's probably something else because you observe:

A. A faulty thermostat
B. A noisy bearing
C. Leaking coolant from the weep hole
D. Lack of proper coolant flow

The subject of the question revolves around diagnosing engine overheating issues based on specific observations such as a faulty thermostat, noisy bearing, leaking coolant, and lack of proper coolant flow.

When examining the water pump, these observations can help differentiate whether the pump is faulty or if the overheating is due to other factors like a faulty thermostat or lack of coolant flow.

Understanding these indicators can assist in accurately identifying the root cause of the engine overheating, ensuring the correct measures are taken for repair.

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