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Old 24-05-2011, 21:32   #16
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Re: What Constitutes a Rebuild ?

As I understand it, the cylinders in some diesels (e.g Yanmar 2QM15) were sleeved as original from the factory, which supposedly makes re-building easy as you can just insert new sleeves...
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Old 24-05-2011, 21:51   #17
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Re: What Constitutes a Rebuild ?

Quote:
Originally Posted by Catamount View Post
As I understand it, the cylinders in some diesels (e.g Yanmar 2QM15) were sleeved as original from the factory, which supposedly makes re-building easy as you can just insert new sleeves...
Really? That is an excellent kudo to the manufacturer.

Are you aware where one can find a database of engines that are sleeved from the factory?

It makes sense that if one just needs to re-ring the pistons, put new sleeves in and redo the head, that it would be a lot quicker and cheaper than if the block needs to be reamed out and over-sized be installed.
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Old 24-05-2011, 22:01   #18
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Re: What Constitutes a Rebuild ?

I think sleeves are quite common actually. Not sure they are always replaceable.

Replacing them isn't always described so matter of factually as "just replacing them" in my experience. I've done it a few times on other than auxiliary engines.

Sleeve and piston kits have the advantage of being size matched. A great time saver if removal of the old sleeve is relatively straight forward.
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Old 24-05-2011, 22:33   #19
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Re: What Constitutes a Rebuild ?

FYI - the 4JH's do not have sleeved blocks. >> http://www.newmorning.info/page65/fi...%20catalog.pdf
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