Posted by boberjagel on October 12, 2016 at 20:19:05 from (216.254.250.225):
I have a yukon with lifter noise and one cylinder fouling a plug. dealership put new lifters in at a great expense and still had lifter noise.Pulled apart and found the new lifters were defective. another new set and now the noise is back.What could be wrong guys. They say the oil pump is within pressure specs.but think oil is going by one cylinder ring. I never add oil and it never goes low on the dipstick.I am so baffled.What can you fuys tell me here. can I get hotter plugs or some kind of oil that makes the lifters quiet.help. there has to be some sort of solution.it does have 190000 miles on it but dealership swears that should not be an issue..
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Today's Featured Article - History of the Nuffield Tractor - by Anthony West. The Nuffield tractor story started in early 1945. The British government still reeling from the effects of the war on the economy, approached the Nuffield organization to see if they would design and build an "ALL NEW" British built wheeled tractor, suitable for both British and world farming.
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