john40iowa Posted August 19, 2011 Share Posted August 19, 2011 Today am changing the plugs on the 2.5 Sohc and one of the four wires came out oily, the others pristine. It seems like about three years ago I put in all new seals- everything, it came as kit for the outer head. Do the donut seals only last three years? Is this something that can wait or should I should do another seal exchange soon? Thanks for any pointers! Link to comment Share on other sites More sharing options...
Fairtax4me Posted August 20, 2011 Share Posted August 20, 2011 Yeah you need to change the valve cover gaskets again. I'd suspect an unclean sealing surface to have a repeat failure that soon. That or a cheap gasket. Both mating surfaces should be shiny clean before you put the new gaskets on. Link to comment Share on other sites More sharing options...
john40iowa Posted August 20, 2011 Author Share Posted August 20, 2011 Yeah you need to change the valve cover gaskets again. I'd suspect an unclean sealing surface to have a repeat failure that soon. That or a cheap gasket. Both mating surfaces should be shiny clean before you put the new gaskets on. Good idea I will order them Monday. Link to comment Share on other sites More sharing options...
nipper Posted August 20, 2011 Share Posted August 20, 2011 Spark plug bucket seals should be from subar as aftermarket ones fail prematurly. Link to comment Share on other sites More sharing options...
john40iowa Posted August 20, 2011 Author Share Posted August 20, 2011 Spark plug bucket seals should be from subar as aftermarket ones fail prematurly. Makes good sense. What are they referred to in Subaru speak. I usually order on -line and don't really need the entire seal kit. Thanks Link to comment Share on other sites More sharing options...
nipper Posted August 20, 2011 Share Posted August 20, 2011 Makes good sense. What are they referred to in Subaru speak. I usually order on -line and don't really need the entire seal kit. Thanks i am not sure, but technically they are spark plug bucket seals, as the plugs sit in a bucket in the valve cover. Link to comment Share on other sites More sharing options...
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