I have a element that is leaking at the base. Is this a easy fix? What is involved? Looks like a gasket at the base where it is leaking. Is it a matter of taking off , new gasket? Or is it under pressure and I am fixing to open up a can of worms? THANKS for ALL info.

My injector pump leaks out of the base of the # 1 fuel element (and maybe the second). it has been causing me all kinds of hell.. wierd starts and air in the system causing shaking. I spoke to my very faithful mechanic when I was down in Miami (i used to live down there and was visiting) a week or two ago. He hooked me up with a few gaskets and instructed me on what needs to be removed to install it. First you have to remove the appropriate injector pipe/s and then remove the fuel element. Be careful with all the associated other parts engaged with the element ( like the spring and the collar that holds the gasket in place). Clean off the top of the injector, but be careful not to get any dirt or grime in the socket. Install the new gasket on top of the afformentioned collar and then install in the reverse manner of disassembly. Looked relativeley easy... Its actually something im going to do tomorrow. I will let you know how it goes. I was told that the gaskets are not easy to find, but try talking to fastlane.

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1983 300SD White with Grey interior

I also remember my old mechanic telling me to remove the gas cap to remove any pressure on the fuel system.

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1983 300SD White with Grey interior

Use the "SEARCH" function , BEFORE you try your replacement...You will not be
sorry!

To add to that, search for "delivery valves" and you'll find tons of information.

There is a copper sealing ring (washer) down under that "element". Take the line off (17mm) and then remove the element (15mm), spring and valve. You will see it down in the "hole". I would get the proper washer from Phil.

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"

And to add again search for delivery valve(s) torque.

Danny

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1984 300SD Turbo Diesel 150,000 miles

OBK member #23

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I just got a pair of delivery valve seals from the dealer for $5.00 or so.

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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine

Well, I replaced the rubber o-ring on the fuel element and the copper washers on the inside of the #1 and #2 elements and my car runs much better upon start up. No more leaks . I will say that two of the 14 mm nuts attaching the element to the injector pump I over torqued in my efforts to make it tight. Don't do this as I stripped the nuts and had to go out find new ones. Education through experience I guess. Anyone know the specific torques on the different pieces associated with this?

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1983 300SD White with Grey interior