Quote:
Originally Posted by aklim
Could it be for the banjo bolt that holds the spin on filter?
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The larger O ring looks like it's for the banjo bolt. Smaller one still a mystery.
Quote:
Originally Posted by aklim
Is the car running rough? Hard starting?
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Car is new to me, only two weeks. Been running perfectly until last night, started to feel some slight engine hesitation on the highway. Parked it on a hill last night facing up-hill and wouldn't start this morning.
The fuel lines going to-from the main fuel filter have no bubbles at all. It's just the lines for the pre-filter. Since both the pre-filter lines have bubbles (I'll take a photo tonight to point out what I'm seeing), I assume the leak is before the pre-filter. I'm not familar enough with it yet to know what is before the pre-filter.
I'm a long-time VW diesel guy so I know diesels and know about air leaks. I do all my own wrenching. This is my first MB so I'm still learning about the beast - thanks all for your help!