Thread: Water in Oil
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Old 04-29-2021, 07:18 PM
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OK water on a spark plug is going to form a drop, gas won't. It may also look really clean. If you can shine a light at the top of the piston see if it looks shiny, valves might look cleaner than the non affected cylinders also. Is there any steam coming out the exhaust pipe?

As for the water pump seal, an indicator, in my mind is an older pump, with no water dripping out of it. There really isn't much you can do and for some it's a last resort finding water in oil. Sometimes dirt plugs the weep hole and in that case water getting past the first seal may build enough pressure to make it past the inner seal. This would result in water in oil. The few cases I dealt with had a plugged weep hole, that said, they did require a pump rebuild following.
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