Quote:
Originally Posted by cityblues
I just had the 120K service on my 5th Gen; they advised i should keep an eye on the head gaskets as they noticed some possible seepage. They also asked if I wanted them to replace the gaskets for $800. I said I'd keep an eye on them. I've always had service preformed by my dealer and this is the first time they've advised me to watch for a potential problem. Should I replace the gaskets or should I just keep an eye on them for awhile?
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mechanic is referring to valve cover gaskets. some people will just leave them until they get bad. If you want to keep the truck for a long time you should replace the gaskets, they will only get worse with time. eventually you might get a burning oil smell while driving when the gaskets start failing and oil will drip onto the manifold and burn. valve cover gaskets I wouldn't classify as a problem, gaskets wear out, this is not a serious issue at all. the thing with valve cover gaskets is they really only leak when the engine is running and oil is moving around. easily observable, open the hood when the engine is cold and see if you have black buildup around the valve cover seam (grime mixed with oil seep)
if you replace them you might as well do the spark plug o rings and cam shaft seals at the time time. then you will be good for another 100k to 150k miles easily
