Quote:
Originally Posted by Clockwork
But the OD of the plastic hose is smaller thaan the OD of the metal end of the fuel filter. Is it not?
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Sorry - I missed this when you first asked.
First, our cars are different. The 2001 3.0i uses the Mahle KL96, no special clips are needed, and I don't know what other things are different. So what worked for me may be different for you.
But regarding the vacuum hose, it was just plain vacuum hose connecting the metal barb on the filter (pressure regulator) to the vaccum supply connection (that leads to the engine). Same OD of those fittings on both ends, so normal rubber vacuum line with a matching ID did the job. Nothing hard about that, other than selecting the right diameter hose. At this point, I don't remember details about the car-end of the vacuum line other than that. But ...
More details (from fading memory) on the fuel connections, in case anyone cares: The fuel lines are hard blue plastic. Where they interface with the filter, there is an Aluminum fitting that transitions the blue plastic line to a standard black flexible rubber fuel hose that is attached to the filter (at 3 points) with single-use crimp hose clamps. In my case, the hose looked in good shape, so I did not change it. I don't remember, but I would not be surprised if I trimmed off the last 1/2" so the clamping surface would be fresh. I used new worm-drive hose clamps. The Aluminum fitting did not look familiar and I don't know if it can easily be separated and reconnected. So I did not even touch that.