Question about Nissan Pulsar

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Using oil with no visible leaks. No water in oil or oil in water and not down on power so head gasket should be ok. Not blowing smoke when hot or cold. Alot of oil blows out oil cap hole when cap is unscrewed, not sure if this is part of the problem but doesnt seem to be any blow by. i am at work so i dont have access to a compression tester and want your thoughts Regards Chris B

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It sounds to me like the oil is being used slowly, by running through your "valve stem seals". The Valve stem seals are small pieces of rubber that surround the valve under the valve spring. They are designed to keep oil from running down the valve, and into the cylinder. When the valve stem seals wear out, they allow oil in small amounts to pass through the cylinder head, and run into the cylinder. If the vehicle sits for several hours, you will usually see a small amount of smoke on start-up, but rarely will ever see smoke while it's running.

Posted on Sep 03, 2010

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Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

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if not just get back to me and ill find the other soulution

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