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Old 08-07-2015, 09:17 PM   #21
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Yep, that's exactly what we're looking at doing. Ain't payin' no mechanic! Right now she's in the hangar and we're about to pull the oil pan and see what we can see. Then pulling the head and hoping that it's either the oil cooler, injector cups, or O-rings. If it's not those then looks like we'll be doing a complete rebuild.
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Old 08-08-2015, 12:00 AM   #22
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Pulled the oil pan. It was entirely chocolate milk. We cleaned everything off and we're letting it drip overnight to see if we can spot where any pure red coolant drips might be originating from. After that we'll go more in depth.
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A gal, a guy, three cats, two dogs, one rabbit, and one goat, traveling the country together.
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Old 08-08-2015, 09:55 AM   #23
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Given the overheating you experienced, there is a good chance it is the head gasket but there are other ways to get an engine to mix water and oil. Best of luck with it.
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Old 08-08-2015, 10:35 AM   #24
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Pullin' for ya!!
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Old 08-08-2015, 02:20 PM   #25
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Let it drip all night and couldn't tell what was going on, so we drained the coolant and replaced it with water. Sure enough, we could see water dripping out of the fourth cylinder from the front at about a drop or two per 5 seconds. Gonna take out that injector and have a look-see. We haven't turned the pistons at all, though, so it could get worse or come from more than one cylinder once we do. What are the odds that if one is messed up that more are?
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Old 08-09-2015, 02:53 PM   #26
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(Reposting from my build thread)

Turns out it was the O-rings on the cylinder sleeves. Dan and my dad and myself pulled the head and pistons and a couple sleeves so far. Gaskets were fine (although still need to be replaced) and the pistons and sleeves looked like new. We're thinking that it was previously overhauled because they look so good. Apparently when they put the pistons in they sheared or otherwise damaged the top of the three O-rings on each cylinder. The middle ring on one was busted completely, and the other one is solid. It seems that the engine must have been overheating frequently to turn the rubber into plastic. Bearings look fine. Injector cups are fine. Injector nozzles are very dirty, so we'll have them cleaned and tested tomorrow. Maybe that's where our loss of power is from.

So it looks like (fingers crossed that the other four cylinders are good) we'll just have to buy a top gasket set and O-rings!
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Old 08-09-2015, 05:02 PM   #27
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I KNEW you would take it HEAD ON.
Kudos for ignoring the negative and rolling up your sleeves.
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Old 08-09-2015, 08:12 PM   #28
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It really wasn't that hard. I can see why mechanics make big bucks but I can't see any reason why a regular joe with the right tools wouldn't be able to do it. Especially with Youtube videos! That's how I learned to change my Honda's radiator fan. Mechanic said $500. I did it for $62. Also learned how to french braid my own hair and how to crochet and how to skin and tan animal hides from Youtube. And how to remove a skunk's scent glands. Lotsa useful info on these here internets.
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Old 08-09-2015, 08:29 PM   #29
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Did you pull the sleeve and the piston out together as
one piece so the rings remain in the same orientation
as they were run. Otherwise you should replace the
rings so they can break in properly. I also never put
old bearings back once I have unseated them from the
bearing caps as they can change position ever so
slightly and accelerate wear and early demise.
Bearings are relative cheap so why take a chance.
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Old 08-10-2015, 06:51 AM   #30
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Quote:
Originally Posted by Dragonpop View Post
Did you pull the sleeve and the piston out together as
one piece so the rings remain in the same orientation
as they were run. Otherwise you should replace the
rings so they can break in properly. I also never put
old bearings back once I have unseated them from the
bearing caps as they can change position ever so
slightly and accelerate wear and early demise.
Bearings are relative cheap so why take a chance.
those are myths. the rings rotate. never replace rings only, always create a new crosshatch for new rings to wear----this is the break-in that occurs within the first minute after startup. note: some cylinders are not to be honed, check with manufacturer.

inspection and measure of crank and bearings will dictate what is required there, but the real reason to replace bearings in this engine is because of the coolant contamination.
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