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Water in oil

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Toora Stephen

01-06-2008 13:47:42




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Hi all,

happy new year!

I replaced my spark plugs on the weekend and managed to get everything running well. I thought I would check the oil... it is all milky and a much higher level than normal.

Somehow some water has got into it.

The obvious questions are:

How did this happen?

What should I do about it?

Is it possible that water is leaking in from the radiator? If so, what do I need to do to prevent that? The radiator actually has been leaking, and I have sent it away for repair. Could rainwater have leaked in?

Should I empty all the oil out, or just let it sit for a while then try to drain the water?

What else should I be looking at?

Thanks for any advice!

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03weim

01-07-2008 13:52:27




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 Re: Water in oil in reply to Toora Stephen, 01-06-2008 13:47:42  
about how much does it cost to rebuild a to20 motor and fix a cracked block?



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Bob (Aust)

01-07-2008 03:37:46




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 Re: Water in oil in reply to Toora Stephen, 01-06-2008 13:47:42  
Toora.

As you have discovered, it is a TED20, not TEA20.

Now the good news. Whilst cracking in the block appears relatively common in the Continental engine (TE20, TO20 etc), it is rather uncommon in the Standard Motor Co engine in your tractor.

Could be a number of causes, ranging from a leaking head gasket to leaks around the cylinder sleeves (it is a wet sleeve engine), neither job is too arduous and thanks to the ready supply of engine parts, relatively inexpensive to cure.

Last time I checked, a full engine overhaul kit for your engine, including all gaskets, pistons, rings, cylinder sleeves, big end and main bearings was around $400.
If I can recondition/rebuild a Standard engine, even a monkey with a shifting spanner can be taught how to do it!!!
But don't even think about it without the Workshop Manual! And don't think about running the tractor with water in the oil.

Bob in Oz!

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Toora Stephen

01-06-2008 18:24:34




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 Re: Water in oil in reply to Toora Stephen, 01-06-2008 13:47:42  
Sorry, I forgot to mention it's a TEA20!

- TS



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Jerry/MT

01-06-2008 17:17:18




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 Re: Water in oil in reply to Toora Stephen, 01-06-2008 13:47:42  
The usual causes for water in the crankcase are cracked block or cracked head( that"s the bad news) and the good news(?) is that it could be a blown headgasket or the o ring that seals the cylinder sleeve in the block. I doubt that it can get in from the radiator UNLESS the timing cover is off. You didn"t say what the model of the tractor is so I"ll presume it"s TO-20 or a TO-30.
You can pull the oil pan and fill the block up with water and see if you can see where the coolant is leaking into the crankcase. You can run a compression check and look for low compression in two adjacent cylinders also. If that doesn"t provide any insight, you"ll have to pull the head.

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Toora Stephen

01-06-2008 16:57:56




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 Re: Water in oil in reply to Toora Stephen, 01-06-2008 13:47:42  
Thanks Phil(va),

Indeed there is oil in the radiator, so I guess it's looking like a head gasket. However that seems less likely considering that the oil has not had signs of water in it until now, but the radiator has always had oil in it (since I've had the tractor since October).

I recall now that I left a spark plug out for a couple of weeks and there was some rain in that time, so water could have dripped in then.

Anyway, once I get the radiator back I'll see if the problem persists.

- TS

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phil(va)

01-06-2008 16:49:59




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 Re: Water in oil in reply to Toora Stephen, 01-06-2008 13:47:42  
Could be blown head gasket, or possibly cracks in the block (hope not). You can drain most of the oil out the drain plug as it should mostly be on the bottom of the pan. Did the radiator have signs of oil in the coolant? Maybe the radiator leak wasn't a leak at all??.... Rainwater commonly leaks down the shift lever into the tranny and hyraulics, but rain doesn't usually get into the engine. Do you have a verticle exhaust?

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