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REWARD!! (1983 240 auto)
A friend just bought the finest example of a 123 I have seen in person, pics don't do it justice.
He is having a shut off issue. I've been around this block before and am stumped. Vac pump measures 21.5 inHg. New ignition vac switch, (works) new shut off actuator (works). All connections good, even at the ignition switch. Will not shut off with the key. BUT, when he connects a mity-vac on the brown line under hood with the key turned off and pulls vac, it shuts off. I'll think VERY highly of the person that solves this.
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83 SD 84 CD |
#2
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test #1--put a mity vac in-line with the shut off valve and see what happens when the key is turned off.
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13 |
#3
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>New ignition vac switch, (works)<
How do you know it works, if it won`t shut off with the key? You might have the vacuum lines switched at the vac switch. >All connections good, even at the ignition switch.< Maybe one of the rubber vacuum hoses are cracked that the brown line connects to. Are you connecting the Mity-Vac to the shut off actuator, or the brown line going to the vac switch at the steering lock? There could be a blockage where the brown line gets it vacuum at the large black line from the vac pump. Charlie
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works |
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Well if the vaccum switch on the ignition is good. Not only working actually but new as well your post indicates. You have to find the vaccum supply feed for the switch. There will be little or no vacuum on it. Just keep working backwards until you find the vacuum. Or the reason you are not getting it. Something could simply be disconnected or leaking too much.
I assume the power brakes and door locks are working. So the primary vacuum source is still working. |
#5
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Answer
The two vacuum lines are reversed on the new shut off switch.
Swap them and it should work. .
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ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/ |
#6
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Quote:
Darn! I was going to say that!!! Because I've done it
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------------------------------- '85 300D, 'Lance',250k, ... winter beater (100k on franken-Frybrid 3 Valve Kit) '82 300D, 'Tex', 228k body / 170k engine ... summer car '83 300TD Cali Wagon 210k, wife's car |
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Yep. I just responded to your post on the other site...
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1982 240 D, 308,000 - 321,127 miles (sold) 1982 300 TD,166,500 - 226,000 miles 1998 E 320, 120,000 - 144,000 miles 2005 C 230 K, 26,000 - 77,000 miles (sold) |
#8
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Quote:
I "know" it works, as one of the tests was to pull vacuum with a mity-vac on the brown line and feel for anything at the brown/purple line, got vacuum, so the circuit was open. This "confirmed" a working switch. I didn't think about the reversed lines, you'd think a mechanic can reposition two lines without crossing them up. sd, yes, I saw that too. Thanks to all, much appreciated.
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83 SD 84 CD |
#9
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I third/fourth the reversed thing.
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http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42 |
#10
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this totally blows my mind... how can reversing a vacuum switch have any effect?
is one side of the switch vented to atmo? this would make sense... very odd though. Roy, is there a reason the switch is vented?
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#11
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The switch is vented so that when you turn the key to ON it releases the vacuum "stored" in the actuator in the pump and the lines between the switch and pump.
-J
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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket Tesla Model 3. 205,000 miles. Been to 48 states! Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels. 2014 Cadillac ELR 2013 Fiat 500E. |
#12
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Mines the same color! only seen maybe 1 other in this color
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1983 Euro 240D 277K 2016 Mazda 6 Coming Soon, 2013 Mercedes E350 Bluetec Formers: 2012- Mazda 3 2007 Outlander- complete pile 1995 E300 Diesel 208K 2007 VW Passat 2.0T 63K SOLD 2003 Jaguar X-type 3.0 Sport Sold 04/11 w/88K 2009 Lexus RX350 9061 miles. Sold 04/09 2008 Mitsubishi Lancer GTS:Totaled Sept.,09 @ 24,000 2003 Infiniti I35 58K Sold 1984 300 turbo diesel 222K |
#13
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I was thinking the same thing. It must be some kind of 3 way switch with the possibilities of enclosed vacuum on both sides plus the option of vented on one side.
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13 |
#14
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Swapping the lines did not solve the problem.
I've asked him to make a short video of the issue. When he pulled vacuum on the brown line leading to the ignition switch (key off), it shut down. This tells me the switch works properly. When he checked for any vacuum on the end of the brown/violet line and turned the key off, no vacuum. stc... I'm fond of the color myself, he bought it this past Sunday. I did shut down with the key, but took several seconds, now it won't shut of at all. No clouding on the window/door trim, just a gorgeous example, with all of 60k miles, I believe it.
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83 SD 84 CD |
#15
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Block or kink in the line going to the key switch?
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hum..... 1987 300TD 311,000M Stolen. Presumed destroyed |
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