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Massive smoke after vale adjustment.

GatorGT3

By GatorGT3
in 911, 912 Series

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GatorGT3 Member

GatorGT3

Posted
Posted

I have a 1986 911 3.2. Following the step by step instructions from Pelicanparts tech forum I adjusted the valves yesterday. Refilled the oil after changing the oil filter and cranked it up and everything looked and sounded good but shortly after started gushing oil from the fill tube. Turned the car off checked th oil level and it was way over the full mark. I had put in 10 quarts per instructions. Thinking I had over filled the oil I decided to address the issue today. Just went out and checked the oil level and there was 0 oil on the stick. I cranked the car and a massive amount of white smoke started coming out of the exhaust I turned the car off immediately. The oil level guage shows a full tank despite the car not being warmed up. Very worried I have done something to the car causing oil to get in the cylinder. Any body able to help with this major issue?

wvicary Member

wvicary

Posted
Posted

It sounds like to have added too much oil. I always start with 8 L and once the engine is fully warm and the oil circulating through the front oil cooler I check the level via the dipstick with the engine at idle. I often ignore the dash level gauge. When overfilled the oil can be drawn through the upper oil tank breather hose into the intake manifold and take forever to completely burn off.

porschetechnik Member

porschetechnik

Posted
Posted

Sounds like you forgot to drain the oil tank.... Start again by draining both the engine oil sump and the oil Tank, let them sit with the drain plugs out for a couple of hours. Then refil the engine with 9qts of oil. The engine is going to smoke when you start it up, don't worry about this as it will clear after 30 to 40 minutes of run time.... You have not caused any other damage and the reason that this happens is that when you overfill the crankcase,the scavage pump can't get rid of the oil back to the tank as it keeps coming back in though the vent hoses, the oil in the crankcase is then hydrulic'ed past the rings into the combustion chamber casuing the smoke.

If you need anything else let me know,

Kurt

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