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Buick Century

What is the cap covered nipple valve in the U of the fuel rail assembly of a 1998 Buick Century V6 engine used for?


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2004-11-22 20:03:10
2004-11-22 20:03:10

To hook up a gauge to measure fuel preasure and to run injector cleaner through it Fuel line pressure release valve. (schrader)

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That threaded nipple is removable, replace it.

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A nipple is a nipple, simple as that. The sometimes darker // pinker skin around the nipple is called the aureole.


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