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#1
04-03-2007, 07:24 PM
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Need to Indentify a motor part on 116 240D.
behind the injector pump, actually attached to it,towards the firewall, is that a vacuum pump? I know the vacuum line that kills the motor is attached to the end of this. What I am getting at, on top of this piece, there is a nipple sticking out towards the fender. Is this supposed to have a vacuum hose attached to it going somewhere?
thanks, Jim
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1979 Mercedes 240D (Sold to a neighbor last year,now I have room for a new one,looking for a 300D this time) 1980 Mercedes 240D(bought for a parts car, but I have fun driving it!  )
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#2
04-03-2007, 07:41 PM
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A picture would help.
No such thing as a 116 240D. A 115 240D has a mechanical shutoff, not vacuum.
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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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#3
04-03-2007, 08:33 PM
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1979 240D
I think that would be a W123?
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Buzz 1977 300D 151K (TMU) DB922 Pastel Blue w/Blue 1981 300SD 450K DB753 Astral Silver w/Black 1987 190D Turbo 340K DB199 Black Pearl w/Black 1990 350SDL 190K DB199 Black Pearl w/Black 1994 E320 Convertible 65K DB(9)744 Brilliant Silver w/Grey 1995 E300 Diesel 150K DB (5)904 Midnight Blue w/Saddle
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#4
04-03-2007, 08:40 PM
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Not sure, but I think he might be harvesting some junkyard parts.
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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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#5
04-03-2007, 09:16 PM
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My mistake, yep I was getting the numbers confused with the ones I was going to look at in the junkyard. This is my car the 1979 240 D which is the 123.
Jim
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1979 Mercedes 240D (Sold to a neighbor last year,now I have room for a new one,looking for a 300D this time) 1980 Mercedes 240D(bought for a parts car, but I have fun driving it! )
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#6
04-03-2007, 11:41 PM
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The only thing between the injection pump and the firewall is the oil filter housing...looks like a big cylinder.
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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
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#7
04-04-2007, 12:00 AM
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Is it in this pic? The metal one or the plastic one? http://www.gtmotorworks.com/images/fuelCellInstall/IMG_0966.jpg
Metal one is the ALDA, plastic is the vacuum regulator for the tranny
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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!
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#8
04-04-2007, 12:03 AM
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Quote:
Jim
__________________
1979 Mercedes 240D (Sold to a neighbor last year,now I have room for a new one,looking for a 300D this time) 1980 Mercedes 240D(bought for a parts car, but I have fun driving it! )
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#9
04-04-2007, 12:07 AM
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The ALDA adjusts fuel delivery based on turbo boost. The hose should lead to the intake manifold. Did they make a turbo 240D?
__________________
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!
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#10
04-04-2007, 12:09 AM
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Quote:
__________________
1979 Mercedes 240D (Sold to a neighbor last year,now I have room for a new one,looking for a 300D this time) 1980 Mercedes 240D(bought for a parts car, but I have fun driving it! )
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#11
04-04-2007, 12:17 AM
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On both my 80 and 82 240's, if you are talking about the metal diaphragm on the top of the IP on the oil filter end of the IP, it is vented to open air. If you are referring to the metal one on the back end side of the IP between pump and filter, that one is the shutoff (brown vac line), if you have a white plastic one on the IP by the top metal one, that is part of the auto trans control system. 240's were not made with turbos factory, and do not even have ALDA's.
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Chris 64 190D R.I.P.  80 240D W/617 engine -for sale 82 240D -for sale
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#12
04-04-2007, 12:17 AM
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Quote:
Yes. They are all like that on 240's... That is also an altitude compensator of some sort, similar to an alda, but it isn't dealing with turbo boost.....
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Jimmy L. '05 Acura TL 6MT  2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China"  Scar engine installed'81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John
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#13
04-04-2007, 02:12 AM
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Quote:
...for dealing with atmospheric pressure. Higher altitude = less pressure = less fuel.
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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
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#14
04-04-2007, 08:04 AM
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So, it is just some sort of vent tube, correct? I was looking for a vac hose the po might have left off or taken off. Guess I was hoping that might be part of my rough idle, missing out problem. I imagine if I take the injectors out and have them checked and set, that will proably correct the problem. Dont know when I will do that, I would have to take them 60 miles to find a shop..I will probably keep looking for a used set somewhere, then send them in to get them repaired, while I keep driving mine. Thanks for all the responses!
Jim
__________________
1979 Mercedes 240D (Sold to a neighbor last year,now I have room for a new one,looking for a 300D this time) 1980 Mercedes 240D(bought for a parts car, but I have fun driving it! )
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