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Cat d6 8u

Craig smith I need help changing head gasket on d318 in cat d6 8u bulldoser
catmech Your questions are? There are water seals and Farrell large and small. Small one is for oil passage. large ones for water. New head gasket. Can re-use farrells if not damaged. Roll seals over them into middle. I put the farrell on a tapered punch, easier to start seals on farrell.
make sure liner flanges are clean and block top surface as well. If the problem for replacing head gasket is low liner projection, there are shims under the liners, that can be changed. Be leave liner projection is .002 to .006 when they are held down tight for checking. Hope that helps.

Craig smith I wish i could download a manual on the d318 really on the hole bulldoser d6 du model now im trying to get pistons unstuck anyone know some tricks this doser had a cat rebuild snd only had 280 hrs on it and only 3000 total but it sat for 10 yrs so im doing best to do this as easy as i can and easy on pocket to lol
gemdozer After removing the head you could used some atf oil mix with wd-40 on pistons for a week or 2 this should help

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