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#1
04-25-2018, 07:25 PM
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Replacement vacuum line/connectors/etc
Most of the little rubber vacuum connectors like this on my 190d are brittle and probably leaky. This one in particular is definitely bad. I've done a bunch of searching but haven't found a clear answer. Can I just replace this with a small piece of either 3mm or 4mm (1/8" or 5/32") silicone hose? The places that sell these little rubber deals individually want several dollars per connector. If I could get a whole pile of them for 40 bucks or something I'd bite.
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2010 Mercedes E350 4Matic - 77k miles 1986.5 Nissan D21 V6 4x4 - 276k miles 1987 Mercedes 190D 2.5 Turbo - 3??k miles 1983 Mercedes 300SD turbo parts car 2017 Honda CBR500R - 15k miles 2016 Suzuki GSX S1000 - 9k miles 
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#2
04-25-2018, 08:09 PM
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I just used rubber vacuum hose when I redid my SDL. Like you, I saw no point in shelling out big bucks for what's basically just a molded piece of rubber vacuum hose... The shaped fittings are different, but for the nipples and connectors, no reason why you can't use hose.
__________________
Current stable: 1995 E320 149K (Nancy) 1983 500SL 120K (SLoL) Black Sheep: 1985 524TD 167K (TotalDumpster™) Gone but not forgotten: 1986 300SDL (RIP) 1991 350SD 1991 560SEL 1990 560SEL 1986 500SEL Euro (Rusted to nothing at 47K!)
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#3
04-25-2018, 08:23 PM
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Awesome, good to know. Do you remember if you used 1/8 or 5/32? I'll buy both if I need to and just figure it out, but if I can keep from having extra hose laying around I won't use it'd be nice.
__________________
2010 Mercedes E350 4Matic - 77k miles 1986.5 Nissan D21 V6 4x4 - 276k miles 1987 Mercedes 190D 2.5 Turbo - 3??k miles 1983 Mercedes 300SD turbo parts car 2017 Honda CBR500R - 15k miles 2016 Suzuki GSX S1000 - 9k miles
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#5
04-25-2018, 08:41 PM
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I'm not sure what you guys mean by "regular vacuum hose." When I search for it online I get all these different IDs of vacuum hose.
__________________
2010 Mercedes E350 4Matic - 77k miles 1986.5 Nissan D21 V6 4x4 - 276k miles 1987 Mercedes 190D 2.5 Turbo - 3??k miles 1983 Mercedes 300SD turbo parts car 2017 Honda CBR500R - 15k miles 2016 Suzuki GSX S1000 - 9k miles
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#6
04-25-2018, 09:06 PM
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Most regular vacuum hose is 1/8" ID. It's stretchy enough that you can fit it on just about every vacuum fitting under the hood.
__________________
Current stable: 1995 E320 149K (Nancy) 1983 500SL 120K (SLoL) Black Sheep: 1985 524TD 167K (TotalDumpster™) Gone but not forgotten: 1986 300SDL (RIP) 1991 350SD 1991 560SEL 1990 560SEL 1986 500SEL Euro (Rusted to nothing at 47K!)
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#7
04-25-2018, 09:15 PM
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Awesome, thanks a lot!
__________________
2010 Mercedes E350 4Matic - 77k miles 1986.5 Nissan D21 V6 4x4 - 276k miles 1987 Mercedes 190D 2.5 Turbo - 3??k miles 1983 Mercedes 300SD turbo parts car 2017 Honda CBR500R - 15k miles 2016 Suzuki GSX S1000 - 9k miles
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#9
04-25-2018, 11:37 PM
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I just replaced most of my connectors and used the gates 1/8 vacuum hose that's sold at O'Reillys. It was around $1 a foot. 3 feet should be plenty to do just about every connector including the boost lines to the ALDA. You will probably still have a spare piece leftover.
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#10
04-25-2018, 11:44 PM
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The McMaster-Carr company has all sorts of great hoses, and then some!
https://www.mcmaster.com/#tubing/=1ckp4xs
__________________
--------------------------------- 87 300SDL 87 190D 2.5NA 5sp 90 300GD with 606 turbo! 08 GL320 CDI 12 ML350 Bluetec --------------------------------- Past rides: 82 300SD - the one that started it all!  81 240D 87 300SDL - the first one. 92 300D 2.5 Turbo 99 E300 Turbodiesel 07 E320 Bluetec 12 S350 Bluetec
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