Sentences with phrase «failed valve stem seals»
As the oil smoke is coming out of the exhaust, that suggests to me that the oil is getting into the cylinders - the most likely causes for this are a blown headgasket, failed valve stem seals, or failed piston rings.
https://mechanics.stackexchange.com/ Not exact matches
I understand anything could fail at any time but I'm wondering is it worth servicing my fiesta that's on 270 thousand miles with an oil change every six thousand miles when something like the valve stem seals are likely to fail first.