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WD45 sucking air

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08-09-2001 18:22:34

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I have a WD45 and it is sucking air threw the oil filter and even gets frost on the manifold,whats wrong with it. I am not a good machanic .thank you Jerry

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dave k. (fl)

08-12-2001 09:22:07

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 Re: WD45 sucking air in reply to JPMcMenamin, 08-09-2001 18:22:34  
You need to take the whole air cleaner assembly apart and clean it out. Wasps, and all sorts of things get in there over the years and clog it up. The oil bath cup on the bottom needs to be drained, refilled and cleaned but if it is making a sucking sound the whole stack is probably partially pligged. You really should get the manuals for the tractor.


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knowit all

08-11-2001 05:19:36

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 Re: WD45 sucking air in reply to JPMcMenamin, 08-09-2001 18:22:34  
WD45s suck by nature.

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John (C-IL)

08-09-2001 20:07:33

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 Re: WD45 sucking air in reply to JPMcMenamin, 08-09-2001 18:22:34  
My first inclination is that what you are refering to as the oil cleaner is actually the oil nbath aircleaner. It should be on the left side of the motor with a 2 inch rubber hose connecting it to the carburator that is the way it is supposed to be. You will find the oil filter on the opposite side of the engine with an oil pressure gauge below it. As for the frost, it depends where you are in the world. Right now it is so hot here we can't even get frost in the icebox. Under the proper atmospheric conditions frost will form on both the carb and the manifold, although it won't stay on the manifold for long once the tractor warms up. Without getting into a detailed physics lesson, when gas and air mixture goes through the carb venturi it expands, this induces a cooling action that will cause frost to form on the outside of the carb and manifold. John

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08-10-2001 21:36:42

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 Re: Re: WD45 sucking air in reply to John (C-IL), 08-09-2001 20:07:33  
I'm with John. You are probably getting the sucking sound from the oil bath air cleaner. I have had this problem on a Ferguson in the past. I fixed it by taking the air induction system apart (including the air cleaner, all plastic and rubber hoses) and cleaning about 1/4 inch of dirt and oil that was coating the entire inside of the works. Think of it like clogged arteries. The narrowed diameter of the induction system was causing the engine to be starved of air. You will probably be in need of a carb rebuild as well. Hope this helps.


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