6bt burning oil after replacing bad turbo - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 1 (permalink) Old 03-12-2016, 02:36 PM Thread Starter
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6bt burning oil after replacing bad turbo

Hi Guys, I've got a great running 5.9 cummins in a case dozer that is now burning copious amounts of oil. Didn't seem to be using much till turbo went out. I replaced turbo and at the same time noticed a couple of piston cooler tips in pan, so replaced those, freshened up crank and rod bearings and put her back to work. Now burns about 1.5 gallons of oil in 8 hours. Replaced valve seals, made no difference and yes valve guides are pretty wiggly. Did manometer test and it pushed water up about 5 inches in tube. Tried to remove injectors and nuts siezed to injector bodys, but got out no.6 and no.5 and they had 425-450 psi after four turns of comp. stroke. Planning on replacing head and maybe doing rings at same time, but wondering about honing while inframe and how to clean up with crank still in place? Could this much oil consumption be just due to worn valve guides? And this really doesn't explain why all this new oil consumption following turbo going out.?
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