At one time I believed it to be impossible, but, our friend out in Colorado has proven me wrong...........whether that mouth can be considered representative of the entire forum population is still questionable.

This is very good advice for someone wanting to minimize repair costs... before you replace the valve, be sure it is broken!

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1985 MBZ 300DT
1969 MBZ 220d
1984 MBZ 300TDT
1981 VW Vanagon

Yes, but a vegetable bean cannot......

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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

This is about the very first advice given concerning the car not shutting off.

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"

Us Mercedes diesel owners are suckers, in a way?

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85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked

Have you tried it Brian? I gotta give it a shot, um, I mean a suck sometime.

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85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked

Last year during a winter cold spell, my 77 300d began to suffer from a vacuum leak. Not having a garage and unwilling to trace down a vacuum leak outside in the cold weather, I put a rubber vacuum hose on the shut off valve and ran it out the hood at the cowling, leaving a few inches dangling there so I didn't have to open the hood every time I needed to shut off the engine. I'd give a couple of quick sucks and off it would go.

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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

..........now that's a scene that could only be described as follows:

priceless.

I have a used, yet working shut off valve, if interested.

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83 SD

84 CD

So many easy jokes can follow that one.

As if he'd really pay to ship it?

I must say, the thought of my favorite mercedes philosopher/theologian, generating enough vac. (himself) to shut off his car....is well, as Brian put it, priceless.

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1981 240d - 135k - Arlene

My wife was unwilling to drive the car under those circumstances even after I showed her how she could shut if off while feigning an inspection of the windshield wipers.

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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

If your real cheap, just pop the hood and shut it down manualy.

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2016 Corvette Stingray 2LT
1969 280SE
2023 Ram 1500
2007 Tiara 3200

Ok, I get the picture. I thought maybe it had some silly little 5 cent rubber seal or O-ring that needed replaced, but from what I'm reading, it's all got to go. I picked up the part and ready to install it.

jeff

Read the threads on runaway diesels. You have to be careful when installing the valve because if done incorrectly, the engine can run away once started.

Did you confirm that the problem actually lies in the shut off valve by testing the valve by itself independent of the rest of the vacuum system?

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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