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WD45.....possible head damage

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Ken Bartlett

06-27-2000 16:38:53




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I am in the process of purchasing a WD45 tractor. It is getting a lil moisture..(water) in the oil...It still runs well..slight miss at times...am wondering...what is the possibility of the head being cracked, or could I be so lucky as the head gasket...Input ole pros...what should I look for to determine the source of the water...thanks..Kb




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Butch(OH)

06-30-2000 05:19:54




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 Re: WD45.....possible head damage in reply to Ken Bartlett, 06-27-2000 16:38:53  
Ken, As usual Phil and Tom gave sound advise. I would like to add that in cases like this I pull the oil pan, pressurize the radiator and look for the leak before further dissasembly. A small leak like you have may require it to sit a day or two before the telltale droplets of coolant appear.



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Phil Auten (TX)

06-28-2000 05:29:06




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 Re: WD45.....possible head damage in reply to Ken Bartlett, 06-27-2000 16:38:53  
Ken,
If the water in the oil is really just a little, I suspect you have a bottom seal leaking on one sleeve. A head gasket or ckacked head/block will usually leak quite a bit more than the o-rings. You may want to try an application of a stop leak type product before spending a lot of time disassembling the tractor. The best way to tell is to pull the head and have it magnafluxed for cracks. Have it checked for warping too, while it's off. If it isn't cracked, and the head is warped, but fixable, it will probably be the problem. You will need to install a new head gasket anyway after pulling the head. The A-C blocks for the WC, WD and WD-45 were all prone to cracking between the cylinder bores on the top surface of the block. This is not a problem as the cracks are sealed by the head gasket. If the block is cracked between the bottoms of the bores, then you have a real problem that will require a replacement block, welding and machining the old block or some other method of repairing the old block.

Good luck,
Phil

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lee

06-27-2000 19:49:34




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 Re: WD45.....possible head damage in reply to Ken Bartlett, 06-27-2000 16:38:53  
it is common for these engines blocks to crack between the liner bores, top and bottom. the water will follow the cracks past the o-rings on the liners and collect in the pan. check for air bubbles in the radiator,this would tell a head gasket problem. i am not an expert but i would bet on a cracked block.



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Tom in Minnesota

06-28-2000 06:58:10




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 Re: Re: WD45.....possible head damage in reply to lee, 06-27-2000 19:49:34  
Had exactly the same problem with my WD. New head gasket and 90 ft. lbs. torque solved it. I did have to make a special adapter to get torque wrench to several of the head studs -- welded a 3/4 nut about an inch up the shank of an old box wrench. Then I used the adapter on ALL of the studs so that the torque would be uniform (they may not all be exactly 90 lbs., but they ARE all the same). You may have a cracked block, but I would try the head gasket first -- easier and lots cheaper.

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Tom in Minnesota

06-28-2000 06:53:48




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 Re: Re: WD45.....possible head damage in reply to lee, 06-27-2000 19:49:34  
Had exactly the same problem with my WD. New head gasket and 90 ft. lbs. torque solved it. I did have to make a special adapter to get torque wrench to several of the head studs -- welded a 3/4 nut about an inch up the shank of an old box wrench. Then I used the adapter on ALL of the studs so that the torque would be uniform (they may not all be exactly 90 lbs., but they ARE all the same). You may have a cracked block, but I would try the head gasket first -- easier and lots cheaper.

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