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#1
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‘80 300SD…Engine Turn Off Problem
Engine won’t turn off with key. Have to go under hood and use manual shut off lever. What’s the fix and what parts do I need to get?
thanks Bill |
#2
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Check for leaks in your vacuum system... either T fittings, lines, or the actual vacuum pump....
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#3
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Use the search function. This problem has been covered hundreds of times
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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 |
#4
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You have a vacuum leak in the system somewhere. Time to get a mity vac and start tracking down leaks, and looking for cracked rubber vac connectors.
BTW, why all the bold and giant text?
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Andrew '04 Jetta TDI Wagon '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#5
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Yep, it should be covered in other posts. Same thing was happening to my 1979 300SD and it was the fuel shut off valve located at the back of the injection pump. The diaphragm ruptured and oil got into the vacuum lines and made its way into the ignition switch. It's a good idea to clean or replace the vacuum lines going to the ignition switch after replacing the shut off valve.
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Stop paying for animal enslavement, cruelty, and slaughter. Save your health and the planet. Go vegan! I did 18 years ago. https://challenge22.com/ DON'T MESS WITH MY MERCEDES! 1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C 1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles |
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