TwinTurbo.NET: Nissan 300ZX forum - Re: It won't loose enough oil to matter for just a drive home
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Subject Re: It won't loose enough oil to matter for just a drive home
     
Posted by gbhrps on May 30, 2016 at 8:19 PM
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In Reply To It won't loose enough oil to matter for just a drive home (n/m) posted by Bernie (NoVA) on May 30, 2016 at 04:53 PM
     
Message AceZX,

Before you change that seal, check the two PCV valves. If they are clogged the crankcase pressure will push oil out the rear engine seal.

Ten years ago or more I had the same issue, but it was a minor leak, leaving a pop can diameter puddle on the garage floor after each drive. I changed both PCV valves and the leak has not returned. That was at about the 50 000 km/ 30 000 mile mark, and the car has about 88 000 km/ 53 000 miles today.

     
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