atv get water out with diesel

ob3135 · #1 (**permalink**) 06-26-2012, 03:03 AM

So, I replaced the head gasket on my 500 sportsman. It was definately blown... Then put it all back together and added oil, at first I just poured oil thru with plugs out (watching dollars go by) and then put the plugs in and filled her up with oil and water and then started it up. Well, still white smoke out pipe. So I drained it after like 5 minutes run time. It still had a LOT, LOT of water in it. Now it had gotten a lot in it before I realized it was blown.

So question is how long will it take to get it all out? I filled it up again, new filter, and ran it 10 minutes. Drained it and still a lot of water in the oil.

So I've got no oil in the radiator/water, just water in oil. Also, compression is damn strong at 90 pounds. So it's not a crack in the head. Plus the head was just machined and the shop didnt see any cracks oviously.

So how long will it take to get it all out?

Oh, also still has a knock, probably "detination knock" right? from the water still in oil?

phil · #2 (**permalink**) 06-26-2012, 03:34 AM

The amount of water in the oil between changes should be diminishing! If not, I would say you have another problem that is leaking water into the oil.
If you are getting white smoke - you are burning water (should not be from the water in the oil). You would not be "burning" that unless you had a something wrong to let oil from the base into the combustion chamber.

ob3135 · #3 (**permalink**) 06-26-2012, 03:59 AM

Quote:

Originally Posted by phil

The amount of water in the oil between changes should be diminishing! If not, I would say you have another problem that is leaking water into the oil.
If you are getting white smoke - you are burning water (should not be from the water in the oil). You would not be "burning" that unless you had a something wrong to let oil from the base into the combustion chamber.

So you thinking bad rings? Or bad base gasket? Geeez. Did I just screw this whole thing up.

I'm getting white smoke. So this means the head gasket wasn't the problem. So what causes water in oil and also combustion chamber both?

Thank you so so much for your help. Still knocking to but has outstanding compression.

Talon · #4 (**permalink**) 06-26-2012, 05:42 AM

Water pump? I haven't been into a Polaris motor yet, but looking at the diagrams the water pump is driven off the motor, there are two seals between the pump and the motor, could have a failed seal. I wouldn't run it until you figure it out, the water mixed with oil will wash you cylinder walls and score them, and cause ring failure. If your getting a lot of smoke, then water/oil is getting up in the cylinder now.

What caused the gasket to blow, did the motor over heat? If so you may have a warped head or like you said the base gasket.

ob3135 · #5 (**permalink**) 06-26-2012, 08:18 AM

Quote:

Originally Posted by Talon

Water pump? I haven't been into a Polaris motor yet, but looking at the diagrams the water pump is driven off the motor, there are two seals between the pump and the motor, could have a failed seal. I wouldn't run it until you figure it out, the water mixed with oil will wash you cylinder walls and score them, and cause ring failure. If your getting a lot of smoke, then water/oil is getting up in the cylinder now.

What caused the gasket to blow, did the motor over heat? If so you may have a warped head or like you said the base gasket.

Well I have to admit. It's not a lot of smoke. But it's definitely smoking a little. Biggest issue is there is still water in the oil. But the smoke is minimal. Tw knock is worry'some :-(.... The knock realty worry'some me.

Faulty thermostat is what caused the gasket to blow. It warped the head slightly to. I had the head milled at a machine shop. He said it ha a spot that was out by .003 thousands. So the Mac tolerance is 002.

I'm so disgusted. Would it be water pump making water get in the combustion chamber?

ob3135 · #6 (**permalink**) 06-26-2012, 08:43 AM

Also. There does seem to be a lot of water in the oil. Not just a little. Would a ba water pump be allowing it to white smoke. Or does the smoke rule that out? Because that means water in combustion chamber right?

ob3135 · #7 (**permalink**) 06-26-2012, 09:09 AM

Theres only one way for water to get in cumbustion chamer right? Thru the head gasket area, from either warped head, cracked head, or blown head gasket. Right? Isn't that the only possibilities for water in cumbustion chamber?

Talon · #8 (**permalink**) 06-26-2012, 09:13 AM

Well hard to say, water in the oil will cause loss of viscosity in the oil. You may have ring problems now also and that could cause water and oil to get by the rings and burn. Start from the beginning, before it over heated you had no issues correct? So I would say most likely the issue is still related to the overheating or work done afterwards, probably not the oil pump. If the head was milled, and is now in spec, you may have an issue with the base gasket. Are you sure all the smoke is vapor from water, or does it smell like burnt oil? I know it sucks, but if it were me, I'd recheck the compression, and then pull the top end and check the cylinder, rings, recheck the head for cracks. If you have that much water in your oil than I would think there is some scoring to the cylinder walls, may be able to rehone and install new rings, replace the base gasket and head gasket. The oil pump could cause water in the oil and then it could get bypass/blow by the rings if the cylinder and or rings were damaged by loss of viscosity. Just my thought, I could be totally wrong.

map.isme · #9 (**permalink**) 06-26-2012, 11:19 AM

Cracking a head gasket on a car causes it to leak antifreeze and oil, often it will pour antifreeze into the engine oil. Sounds like that's what is happening here. Are you sure the new gasket sealed properly because it doesn't appear to be sealing right.

If you sunk it (seen to many sunk) the oil will be a greyish tan color and not dark (shouldn't be totally black like burnt oil anyway). Water in the oil will always cause it to smoke like you put diesel fuel in it. You should be able to change the oil once and add lucas oil treatment and it should be fine. If it keeps happening, something didn't seal properly between the radiator and engine.

ob3135 · #10 (**permalink**) 06-26-2012, 07:24 PM

Well, it's fixed! And I'm EXAUSTED!

So, (5) oil changes in quick progression and 3 filters and it's finally all out of the oil, and it's finally stoped smoking and the knock is gone, just the regular polaris knock now. (Probably Bendix Gear)

So in the end it was just the blown head gasket...

Time to Sleep!