TwinTurbo.NET: Nissan 300ZX forum - Re: Re: Re: culprit found! overfil of oil
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Subject Re: Re: Re: culprit found! overfil of oil
     
Posted by Goldchocobo on January 22, 2015 at 3:07 PM
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In Reply To Re: Re: culprit found! overfil of oil posted by tian2bing on January 22, 2015 at 02:42 PM
     
Message Since you had a huge oil overfill, I can almost guarantee your pcv hoses, intakes, and valve cover breather hoses have excess oil in them. You might even have small puddles of oil in your intercoolers. I know this because this VERY thing happened to me last October as the previous owner had overfilled the oil to 5.1 liters. It also didn't help that the oil was jet black and extremely thick.

If your crank case can't vent pressure via the pcv's because the hoses or pcv valves are clogged, you'll get excess pressure resulting in blown seals on the valve covers, shitty idle/general performance, your dipstick popping up, and more smoking issues.

Clean the breather pipes on the valve covers, pcv hoses, and pcv's themselves to avoid this problem altogether.

     
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