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Massey Harris & Massey Ferguson Tractors Discussion Forum
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Re: 202 Lost Oil Pressure

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Author  [Modern View]

08-16-2013 09:54:14

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It sounds as if it may be time for an engine overhaul. While there are many possible causes, the dry squealing sound is a sure sign that some or all of the engine has suffered the effects of oil starvation. Checking the main and rod bearings is the best place to start.

The oil pump is located within the oil pan and is attached to the front main bearing cap. Wear depends on many factors, but the oil pump can and will wear out. If this is the case it will need to be repaired or replaced. Be certain to pay special attention to the spring loaded oil pump relief valve because a weak or improperly shimmed spring can bleed off oil and cause low oil pressure.

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vt parts

08-20-2013 04:25:52

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 Re: 202 Lost Oil Pressure in reply to DS43812, 08-16-2013 09:54:14  
When you remove the oil pan most likely you will tear the gasket at the back of the engine. The only way to replace it is to split the tractor.

Since you really don't know what you will find when you take the engine apart, my advise would be to remove the loader frame before doing any work. It is going to be in the way and if you need to remove the engine for a major it is really going to be a problem.

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08-20-2013 06:52:38

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 Re: 202 Lost Oil Pressure in reply to vt parts, 08-20-2013 04:25:52  
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Tear the gasket at the back of the engine? If you're referring to the mating surface between the engine and transmission, no gasket is used there, only a thin film of gasket shellac.

Even if a gasket were used, only the damaged portion of the gasket would need to be replaced, without the need for splitting the tractor. A similar area that comes to mind is the timing cover, where the front portion of the oil pan gasket is damaged when the timing cover is removed. In this case, replacing only the damaged portion of the oil pan gasket when reinstalling the timing cover works just fine.

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