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Fuel line primer

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Old 05-29-2012, 09:13 AM
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e300 diesel
Fuel line primer
Does anyone have any experience with the aftermarket fuel line primers? the older diesel mercedes used to have a hand pump to get the air out of the line, which was very useful.

My '97 300d doesn't have one, and I was wondering if anyone had tried installing a primer into their line.

Thanks,
Art
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Old 05-29-2012, 11:36 AM
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98 E300
Why would you need to routinely remove air from your lines? If you have leaks then you should fix them by replacing the o-rings and/or fuel lines (common air ingress points).

A hand operated vacuum pump like the MightyVac is handy for pulling fluids, but is normally only needed during maintenance/repair activity.
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Old 05-30-2012, 06:58 AM
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1999 E300TD
Your fuel delivery system is different from the old smokers. Put a primer in and you will really screw the system up.
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Old 12-23-2012, 11:29 AM
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1982 300D
Originally Posted by Plutoe
Your fuel delivery system is different from the old smokers. Put a primer in and you will really screw the system up.
That is false information. A primer would in no way affect operation of the vehicle.
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Old 12-23-2012, 02:44 PM
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Just for educational purposes where would you put the so called primer pump in the system that is on the 606.692. Thank you
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Old 12-23-2012, 03:11 PM
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98 E300
Originally Posted by Plutoe
Just for educational purposes where would you put the so called primer pump in the system that is on the 606.692. Thank you
Too late- the ban stick has already struck "Charun-Whargoul-240D 3.0T"
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Old 03-23-2013, 03:14 AM
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1983 300D
Originally Posted by Plutoe
Just for educational purposes where would you put the so called primer pump in the system that is on the 606.692
Anywhere on the suction side of the fuel system. The lift pump has built in check valves that will help its operation.
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