1994 Acura Legend Q&A

1994 Acura Legend Question: What are the signs of a water pump failure

I have noticed black sticky drops on my garage floor and lite grey smoke coming out my exhaust once and awhile. My car is a 1994 legend 6 speed coupe with type 2 motor -
Answer 1
if water pump is visible noisy and leaking coolant down below the water pump hole. -