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Diesel Fuel Injection Pump Lubrication
Could some elaborate on a 1975 Mercedes 240D injection pump lubrication
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It has a filler cap labeled "OEL". A couple inches below the cap on the side of the pump there is a removable plug. Unscrew the plug and add oil (ordinary motor oil) until it runs out the plug hole. It takes only a small amount of oil. It is good to do this occasionally as the oil will get a bit of fuel mixed into it.
Note that this only exists on 115 and earlier cars. It does not exist on 123 or later cars.
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Palangi 2004 C240 Wagon 203.261 Baby Benz 2008 ML320 CDI Highway Cruiser 2006 Toyota Prius, Saving the Planet @ 48 mpg 2000 F-150, Destroying the Planet @ 20 mpg TRUMP .......... WHITEHOUSE HILLARY .........JAILHOUSE BERNIE .......... NUTHOUSE 0BAMA .......... OUTHOUSE |
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Thanks Good Info
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Years ago, I was told to syphon out the old diesel diluted oil that was in the pump before adding new oil. Seems to make sense that you would not want the diluted oil in there any longer. The new oil would not be able to magically displace the old stuff, especially with the only drain being a hi level overflow.
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1961 190Db retired 1968 220D/8 325,000 1983 300D 164,150 |
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Palangi 2004 C240 Wagon 203.261 Baby Benz 2008 ML320 CDI Highway Cruiser 2006 Toyota Prius, Saving the Planet @ 48 mpg 2000 F-150, Destroying the Planet @ 20 mpg TRUMP .......... WHITEHOUSE HILLARY .........JAILHOUSE BERNIE .......... NUTHOUSE 0BAMA .......... OUTHOUSE |
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How do the newer pumps get lubricated?
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DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012 |
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AFAIK they have been engine oil lubricated since a long time ago.
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01 Ford Excursion Powerstroke 99 E300 Turbodiesel 91 Vette with 383 motor 05 Polaris Sportsman 800 EFI 06 Polaris Sportsman 500 EFI 03 SeaDoo GTX SC Red 03 SeaDoo GTX SC Yellow 04 Tailgator 21 ft Toy Hauler 11 Harley Davidson 883 SuperLow |
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I've never examined one to see how they were hooked up to the lubrication system. I became curious about it when this thread came up.
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DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012 |
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Marty D. 2013 C300 4Matic 1984 BMW 733i 2013 Lincoln MKz |
#10
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There is a small black tube running to the inner side of the IP. The oil gets pumped into it and runs out through the timing chain hole.
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Palangi 2004 C240 Wagon 203.261 Baby Benz 2008 ML320 CDI Highway Cruiser 2006 Toyota Prius, Saving the Planet @ 48 mpg 2000 F-150, Destroying the Planet @ 20 mpg TRUMP .......... WHITEHOUSE HILLARY .........JAILHOUSE BERNIE .......... NUTHOUSE 0BAMA .......... OUTHOUSE |
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