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#1
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I am stupid - disabling the EGR.
I have spent hours and hours reading about plugging the vacuum line going to the EGR with a BB. So I have pulled the vacuum line out, looked at it, with BB in hand, but am not completely sure what to do. Do I shove the BB up the rubber thing, then the vacuum line after it, to seal it all off nice? I am guessing the line has to be plugged off somehow, or it would be a terrible loss of vacuum. But a BB won't fit in it. I could golf tee it, but I have BBs right in my hand, how does this work? Help a stupid redneck out please!
sorry, I know this has been beat to death many times. but I honestly haven't been able to answer my question. I am not familiar with vacuum systems. One day I'll just remove it and cap it off, but I am broke now and away from home with few tools. BBs I have though.
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1985 300D, 237k. 1994 F-350, 6.9 diesel, 5 spd manual, Banks Turbo. 261k. Sold: 1985 300CD- 267K |
#2
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Anythin that stops the vacuum flow on that line will work. Just disconnect it and shove a golf tee in to keep it from venting vacuum if you want
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Ich liebe meine Autos! 1991 Mercedes-Benz 560SEL | Megasquirt MS3-Pro | 722.6 transmission w/ AMG paddles | Feind Motorsports Sway Bar | Stinger VIP Radar | AntiLaser Priority | PLX Wideband O2 | 150A Alternator | Cat Delete 1981 Mercedes-Benz 300SD | Blown engine, rebuilding someday... 1981 Mercedes-Benz 300SD | Rear ended, retired in garage. 2009 Yamaha AR230HO | Das Boot Excessive speeding? It ain't excessive till I redline! |
#3
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You can find larger or smaller ball bearings at bicycle shops. Use a ball bearing and put the line back on and be done with it. It will be inoperative and look stock.
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My Truck.. 2007 DODGE, 5.9 Cummins, 6spd stick, 4X4. My car..1977 240D, OTHER WHEELS...1955 VW Oval window bug, European Delivery (Holland) with a 1700cc, 2 barrel, Porsche drum brakes. 1939 WILLYS Pick-up. 1967 Triumph 200cc Tiger Cub. 1976 Honda 550F 4cyl Motor Cycle. |
#4
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Should the turbo bypass valve be disabled too?
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Ron Schroeder '85 300 Turbo Diesel 2 tank WVO '83 300 Turbo Diesel 2 tank WVO Some former WVO vehicles since ~1980: '83 Mercedes 240D '80 Audi 4000D '83 ISUZU Pup '70 SAAB 99 with Kubota diesel '76 Honda Civic with Kubota diesel '86 Golf Several diesel generators All with 2 tank WVO conversion LI NY |
#5
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Yes, that's called the ARV on the '85. You can disconnect and plug that line as well.
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#6
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I pulled those two vac lines out of the black box, melted the ends shut with a lighter, cooled them off, stuck them back in. Worked great.
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-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#7
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hold on, where is this? Right now I'm going to shove a bb up that rubber part on the EGR, then shove the line back in to cap the whole thing off. And it will look perfectly stock. But I love tinkering with things, the more lines I can plug the better!
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1985 300D, 237k. 1994 F-350, 6.9 diesel, 5 spd manual, Banks Turbo. 261k. Sold: 1985 300CD- 267K |
#8
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Quote:
http://www.peterschmid.com/vacuum/1977_1985/617_95/1984_1985.jpg Now we can all use this diagram as a reference so we are not speculating so much about what part of the vacuum system the other is talking about. |
#9
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Thank you very much for the diagram. I know exactly what we're also looking for. I'll plug both the EGR and ARV afternoon and see what happens. Cost: 2 bbs - $0.0001. I love Mercedes.
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1985 300D, 237k. 1994 F-350, 6.9 diesel, 5 spd manual, Banks Turbo. 261k. Sold: 1985 300CD- 267K |
#10
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Yes, I have this thing about having the correct vacuum diagram...
... and for similar reasons I would like to see this FORUM start an official Glossary of Terms and/or parts... so What the "heck" is an " ARV "? This abreviation does not appear to match any of the components on your vacuum diagram.
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#11
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Air recirculating valve, also called the turbo bypass valve (its right on the turbo), #71 on the diagram. But a glossary of terms would be nice.
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1985 300D, 237k. 1994 F-350, 6.9 diesel, 5 spd manual, Banks Turbo. 261k. Sold: 1985 300CD- 267K Last edited by TWeatherford; 10-12-2006 at 01:21 PM. Reason: clarity |
#12
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And I have a lot to learn about...
... turbos on these vintage MBZs!
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#13
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If you plugged this ARV, what will happen to the performance of the turbo-charger?
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#14
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It should build boost quicker. The ARV is only for emissions, it has no positive performance effect.
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