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jdemaris
02-15-2006 05:51:07
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Re: JD 2010 Crawler Highlift, water in OIl ?? in reply to Punchie, 02-14-2006 18:26:54
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If you want to be sure where the problem is, just pull the oil pan off. Usually, you'll see stain and rust marks on the main-bearing caps where water/coolant has been dripping on them. What usually happens eventually, is the water gets into a main bearing, and you spin/seize a bearing, and the engine is trashed. To fix, you have to pull the head off. Then pull the pistons out, and then - carefully - pull the sleeve deck out. It is a unit, i.e. all four sleeves are joined by a steel plate on top - so you have to pull evenly and carefully. Sometimes, you have to push underneath on the sleeve bottoms at the same time. Once out, use a scraper, rotary wire-wheel, etc. to get all cleaned up. You will need, at the least, a head-gasket, sleeve-deck gasket and the four sleeve rubber seals. Myself, I would also plan on replacing the rod bearings and piston rings. But, being a diesel, you'll probably find that the pistons are worn in the top ring grooves. The pistons can be repaired for around $10 each, but at this point - it's up to you how far you want to go. But, at the VERY least, you should put a light cross-hatch on the cylinders (by honing), and install new rings and ring-shims if needed. In regard to using extra sealant on the sleeves in addition to the black rubber rings, I've used Permatex. I know other people that have used the red RTV silcone sealant and it's held up fine (RTV is an acronym for Room Temperature Vulcanizing). My problem with this sort of thing is - you pull apart a good running engine - yet once apart - you find all the parts pretty worn. Then what ? After all that work, do you want to put the old worn parts back in? I can't answer that for you, parts are very expensive.
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