Question about 1998 Audi A4

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1998 Audi A4 1.8l

Im changing the number 1 fuel ingector I beleive The fuel rail comes off and then the ingector connects to the rail but im not sure how or and if I have to pull all the injectors with the fuel rail or if theres a way to dissconnect them from the rail and pull just the nuber one hole to prevent damage to other O- rings?

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Nope - pretty much every system I've seen requires removal of the rail and all injectors as a unit, and then individual disassembly of the injectors. Honestly, with an 11-model-year-old car, if you're going to remove that injector (which, by your other post, you don't have a choice), it's worth the time and relatively low cost to replace all of your O-rings for peace of mind. You can soak the rail and injectors with penetrating oil to help free them up, and then clean and dry the rail and ring seating surfaces before installing the new O rings and injectors. You're going to enough trouble as it is - might as well be thorough and handle any future fuel leakage now before it's an issue and requires another removal of the rail.

Posted on Sep 19, 2008

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