GU 4.2TD Blow off valve leak

Submitted: Wednesday, Feb 27, 2002 at 01:00
ThreadID: 784 Views:1571 Replies:1 FollowUps:1
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Anyone have a Nissan 4.2TD that has a small oil leak coming from the blow off valve located on top of the manifold running accross the rocker cover (goes into inlet manifold). Know what causes this and if the fact that oil is being combusted will cause damage to the engine?
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Reply By: Will - Wednesday, Feb 27, 2002 at 01:00

Wednesday, Feb 27, 2002 at 01:00
Delly,
When mine was new I had a bit of oil moist coming out from that valve, mine has 95000km now and no longer does it.
The oil is OK it comes from the PVC (Crankcase ventilation) through the hose connected from the rocker cover to the air inlet upstream.
It is normal for gas and oil to come through there when new and until it runs in. I would have it looked at anyway as there is a chance the blowoff valve could be too soft or faulty.

Will
AnswerID: 2210

Follow Up By: Delly - Wednesday, Feb 27, 2002 at 01:00

Wednesday, Feb 27, 2002 at 01:00
Thanks Will, I'll go ahead and do that.
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FollowupID: 785

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