MF 165 Rebuild

Danran

New User
Hi All! Recently my MF165 perkins motor started to knock so I decided to tear it apart to find a entire sleeve broken in the oil pan, at that point I decided to do a complete rebuild and I removed all sleeves and pistons. Upon taking a close look at the cylinders I noticed that the cylinder where the sleeve broke apart has a small chip taken out of the lip that the sleeve sets on. I have had two opinions both of which from experienced diesel mechanics, one being that it will be fine with a new sleeve installed. And the other saying that the damaged bore should be machined. Whatre your opinions on this? If I install a new sleeve on top of this will it cause the sleeve to fail? With the minimal tolerance for the sleeve to set into the block would machining be an option? Heres a picture, it is hard to see but I circled it in red.
mvphoto32909.jpg
 

I think that this is a good example of the usefulness of magna fluxing. I can't see those little nicks themselves causing a problem but they do indicate the possibility of a much more serious problem which hot tanking and magna fluxing could rule out.
 
As showcrop says.If you want a first class job, Remove the studs ,hot tank, and magniflux, if all is Ok ,deck the block, recut the counterbores and put it back together.
 
I would be worried about the roundness of the bore of the block now that the piston has been slapping around in it without a sleeve. As thin as the sleeve is with a out of round bore in the block a new sleeve may probably not last long!
 
What are the SERVICEABLE limits of this engine as per MF 165 Perkins Diesel Engine?
Compare Engines bores inside dimensions to service manual:

Check total machine shop QUOTE compared to a USED RUNNING ENGINE:


Bob...
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