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Old 10-30-2010, 08:31 PM
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Join Date: Oct 2010
Posts: 1
300 D Getting air in fuel line. help!

I have a '85 300 D, and I'm getting air in the fuel line. I have pressurized both the fuel and return lines, no leaks. I disconnected both lines before the fuel pump and put them in a jar of fuel. I then started the car, it is still drawing air. I also replaced the fuel pump and the fuel primer pump, no difference. Some suggested it may be the fuel delivery valve smash washer and/or o-ring. If that sounds possible, where is it located and where can I purchase them ?

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