Blue Pacific Plumbing

WATER PUMP Q & A

Why does my water pump have oil all over it?

I have oil all over my water pump. I investigated when I saw a few drops of oil in the garage that showed up every few days. I then saw a drop of clean radiator fluid. Does oil come near or through the water pump? I have a 96 nissan maxima if that helps.
There is no oil in the coolant. The coolant is green as new. The drips of the coolant are in a slightly different place from the drips of oil.

The first place a car will leak oil is usually the valve covers. Regular maintenance requires valve adjustments, and to do this, the valve covers come off a few times in 10 years. If you have a four syllable motor, the front of the valve cover is right above the water pump, so a valve cover leak would dribble down the water pump.

Your water pump could be leaking (if you’ve never replaced it in the 10 years since your car was made).

I’d bet you have both problems.

I’m too soon old, and too late smart, so I’ve let water pumps go because “it’s only leaking a little”. When the shaft begins to get wobbly, it will let loose with a caBANG! and damage something when it flings off the fan.

Moral to the story: Replace the water pump, and get a new gasket for the valve covers.

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