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  #1  
Old 10-10-2007, 03:33 PM
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Cigar Fuel Line Question

I realize that the cigar line has a unique shape.... but my question is whether a regular, straight fuel line can be used to replace this line?

Is the larger diameter part of the cigar line suppose to slow down the flow of fuel?
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  #2  
Old 10-10-2007, 03:38 PM
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Regular fuel line can be used but it will cause a pulsing sound in the body. The cigar hose is like an accumulator, it stores the pressure and evens out it's release.
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  #3  
Old 10-10-2007, 03:42 PM
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I think it can.....when I first bought my 240d, it was a regular line. It's a relatively cheap part though.....why not put it on? I just decided to go back to the way the Germans designed it

I think I remember reading on dieselgiant that it dampens the injection pulses.
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  #4  
Old 10-10-2007, 03:58 PM
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Have a cigar!

Just installed a correct cigar hose (return line pulse dampener) on 76 300D after Diesel Purgeectomy.
I can not honestly say I can feel or hear a difference from the straight line that was there before.
However, a big opportunity was to re locate the primary fuel filter higher up to get access to it ....and to make future Diesel Purge jobs a lot easier.
Good luck!
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  #5  
Old 10-10-2007, 04:03 PM
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I asked the same question a while back. My car had a straight line on it when i got it. I havent changed it out yet, and i cant imagine it running that much smoother. Well maybe with new injectors coming soon.
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  #6  
Old 10-10-2007, 05:58 PM
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I use the cigar hose on my current two, on one I used just a length of fuel line, I saw no difference.
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  #7  
Old 10-10-2007, 10:40 PM
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Here's another vote for "no discernable difference". There was a straight line on there when she bought the 77 240D, I replaced that with the proper cigar hose around a year ago and didn't notice any change at all.
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  #8  
Old 10-10-2007, 11:07 PM
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Thanks for the feeback, everyone. Reason I asked is theres a pin hole leak on mine that I noticed recently (sealed it with black silicone). Ordered one from the dealer today, $13+tax. Not bad considering one online place wanted $16+shipping, although some were as low as $11.

Am surprised it developed a leak. Could it be the B20 I used on 2 fill ups?

Next time, I'll just use a regular line which seem heavier.
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  #9  
Old 10-10-2007, 11:40 PM
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If you grab that line when the engine is running you can feel the injection pulses in the line....Our 300D's hose has some cracks in it, so we have a replacement on hand for it. $11 online...not too bad.

I just ordered a part from the dealer (same one) for the first time in a long time. The oil pickup screen/strainer thing. I'm replacing my entire oil pan/gasket/drain plug....so I figured I may as well have a replacement oil pickup too. They will have it in tomorrow....so thats the big day. Hopefully I don't find anything scary in there!
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  #10  
Old 10-11-2007, 09:22 PM
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You'll experience one of two things if you put a straight hose in place of the cigar hose. One being nothing, and the other being a pulsing noise or feeling. When I put a straight hose on my wagon I could hear a pulsing sound that was rather loud. Sounded like an exhaust leak. On my 240 I noticed no difference when I switched. It's not going to hurt anything if you have a straight hose on, but it may make a little more noise.
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Old 10-11-2007, 09:22 PM
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