Quote:
Originally Posted by MCallahan
My plan for now is to order a new shutoff valve O-ring and all three plastic lines to the shutoff valve (like $35 worth of parts, so not a huge gamble). If the leak persists, then a new shutoff valve ($160).
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Sounds like a solid plan.
There are a total of 6 plastic fuel lines in that area. They are supposed to be clear - if they are a dark brown in color, they are very old and should be replaced. If this is the case, it's best to replace them all at once rather than just the 3 you mentioned, as it's about the same labor either way. The new plastic fuel lines come with new o-rings already installed.
This maze of plastic fuel lines and o-rings is a known weak link on the om606. Since they're inexpensive, some folks replace them all every few years as preventative maintenance.