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#1
10-11-2007, 07:13 PM
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Broken Plastic Ports Int Man
Herw'a a pic before
They broke while changing a vacumn hose Yeah, I know ME BAD but they are plastic maybe brittle One in in the vacumn hose that tore in half in my hands other I don''t know where it went but it broke when the hose came out  I don't have the car together yet been changing ignition did dis cap & rotor wo incident not have to take off & install new ig wires Not sure when its all done if it will make it to Enriques If they have adapters sort of shunts w a smaller opening to fit the broken portion w and extensiopn that fots the vac hose then it could get to the shop OOOOOOh I feel so bad More poor benz but its was probably a bad brittle part & hose was bad I could ry to get one from a junk yard looks like it bolts in what is it? do they sell it new? how much??  Don't Laugh I'm dieing over here Stupid vacumn hoses...  OK one of theparts is in parts catalog don[t know if both are same looks like a 2 port that screws into tntake w nut... You think I could get it out w a socket & take it to MB to get the part? one nut I can'[t see why I can't get that in that is if I can get it out... I won't touch the other one they are likely both plastic & probably both should be replaced 
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~Shadow~  83 500 SEC Euro 198K Last edited by CamelotShadow; 10-12-2007 at 12:01 AM. 
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#2
10-12-2007, 08:11 AM
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Thermal vacuum valve, that type opens at 50C. MB part number 000-140-71-60 OR 000-140-72-60.
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#3
10-12-2007, 12:58 PM
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Quote:
Still my car is a Euro & some parts have been different so I really wouldn;t want to order it having the old one esp if the thing is $ There is another like that next to it. Wonder if they are same? If it is an heat activayed open type valve it's possible it wasn't working? Do they fail after 25 yeats? Guess that one will be changed but wonder if other one should? So now the dilemna if I can try to change it? spray it with penetrating oil? will it come loose? Have sockets & wrenches I checked them & it looks like could be the 18mm its pretty shallow but may need a deep socket which I don't have Or plug the 2 open vac hoses & get it to a shop? Thanks again Guess its not the end of the world but it certainly was a day I wish never happened... 
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~Shadow~ 83 500 SEC Euro 198K
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#4
10-12-2007, 01:41 PM
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They can go bad over time, not usually. They are sort of like a thermostat, the switch is reacting to the rising temp and either opening of closing to add or stop vacuum flow.
They are dissimilar metals so they can get nice and tight in the manifold. At least you dont have to worry about breaking the nipples off it when you are removing it...  Online it cost about $30, dealer likely $40-45
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Christopher Henkel 1990 190E 2.6 - Arctic white SOLD 1986 190E-16v - Blauswartze 1993 300CE - SOLD 2003 W208 CLK 320 Cabriolet - Magma Red
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#5
10-12-2007, 01:43 PM
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Hi...Thanks!
Found it for $21.50 at Rusty's http://catalog.worldpac.com/buymb/022406/image.jsp?title=Thermo%20Vacuum%20Valve&url=http%3A//img.eautopartscatalog.com/live/B703011599OES.JPG Found one ...not sure if the 2 of them on the intake are different.. Its about a $25 part so glad its not a $100 valve...  Seems it just screws in hope they used anti seize on it... 
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~Shadow~ 83 500 SEC Euro 198K
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#6
10-12-2007, 02:12 PM
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Rustys is wrong color
shows yellow evedently US cars had 70" yellow valves.. 
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~Shadow~ 83 500 SEC Euro 198K
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#7
10-12-2007, 03:19 PM
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Yep, needs to be the same color. Lots of the MB parts are the same except the color...transmission modulators, check valves, temp sensors, the themo vac switch, wiring and vac lines, etc The only diff on lots of these is the color of the top plastic indication at what value it activates.
Yours needs to be red.
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Christopher Henkel 1990 190E 2.6 - Arctic white SOLD 1986 190E-16v - Blauswartze 1993 300CE - SOLD 2003 W208 CLK 320 Cabriolet - Magma Red
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#8
10-12-2007, 03:21 PM
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Quote:
Give me Rusty's web site address, I bet he has the correct part also. The pic came up of the yellow one but I cant get to their site from the pics page.
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Christopher Henkel 1990 190E 2.6 - Arctic white SOLD 1986 190E-16v - Blauswartze 1993 300CE - SOLD 2003 W208 CLK 320 Cabriolet - Magma Red
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#9
10-12-2007, 07:15 PM
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Quote:
http://www.***************/item.wws?clientid=buymbparts&Sku=B7030-11599&mfr=AAA:OES&sup=AAA&cookieID=25Y0ZB9SO27A0TW7QH&source=MBSHOPFORUM&clientid=buymbparts&source=MBSHOPFORUM&clientid=buymbparts I'd look into it further but the location of the valve & my heighgt make it almost impossible for me to get to the part I wonder why the yellow is cheaper than the red It doesn't look like a bad job easy for a mechanic I;m just glad its not a $100 part. At this point Will go over to Enriques when he has a slow day This way I'll get everythng done at once Do you think a small shop might have that part on hand? I think Sat is a half day of work Guess its next week.... OOOOH the anticipation I'd only have to go over anyway for him to install the plugs & check the exhaust pipes & see ifhe will install my new MB hangers if needed. Guess it doesn't make sense for me at this time after this oone problem to pull boots & install ignition wires for him to have to pop them to install plugs Least the cap & rotor are on...
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~Shadow~ 83 500 SEC Euro 198K Last edited by CamelotShadow; 10-12-2007 at 07:45 PM.
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#10
10-13-2007, 03:34 PM
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So is this an emission related check valve?
Looking at the valve its sort of a loop. I read it is a wax system when the wax expands w temp it lifts allowing the passage to open between the 2 ports. If this is so then the 2 broken port holes won't affect the engine when its not connected to anything. I started it about same but I could tell a difference in engine when it hit 50 C something happened idled more lumpy! Thing is my tvv was hooked by T to back WUR & intake man on one port & other leads to a quad which connects to distrib vac air inject valve which leads into intake man & another red line I can't trace I have hooked this 2 sytem lines together bridging them w tubing until I can get the tvv rrplaces Just wondering it it would have been better to close each of these lines seperately. I suppose what has happened is I have a open system now open under 50C which would only affect cold operation Not suchg a big deal It starts & runs If I had closed these 2 lines seperating them from each other would it have been worse or better on operation? Just trying to think this out maybe even figure out why orig I had & still have hi idle at cold starts & if it could be related to this tvv? Guess it will never pass emissions wo it?  Thanks
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~Shadow~ 83 500 SEC Euro 198K Last edited by CamelotShadow; 10-13-2007 at 04:13 PM.
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#11
10-13-2007, 11:19 PM
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If it is opening at 50 celsius then it doesnt matter if the holes on the broken part are lest open. Also, the two hoses should be conencted together because by the time you get a block from the house the car will be well on its way to 50 C. Just let it idle and warm up a bit in the park space and it will run fine. Go on Monday and have them do the plugs and it will definitely run better after that. Replace the broken TVV and get the new wires on and it will make a world of diff. Old wires can cause all sorts of problems, including poor running and engine missing and bad idle. Just get them done.
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Christopher Henkel 1990 190E 2.6 - Arctic white SOLD 1986 190E-16v - Blauswartze 1993 300CE - SOLD 2003 W208 CLK 320 Cabriolet - Magma Red
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#12
10-13-2007, 11:22 PM
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Quote:
Just driving myself crazy As usual.... 
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~Shadow~ 83 500 SEC Euro 198K
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#13
10-13-2007, 11:24 PM
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You worry yourself too much, you make things wrong with your car faster than your mail order parts can arrive...slow down and enjoy it, that is the whole point of it.
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Christopher Henkel 1990 190E 2.6 - Arctic white SOLD 1986 190E-16v - Blauswartze 1993 300CE - SOLD 2003 W208 CLK 320 Cabriolet - Magma Red
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#14
10-13-2007, 11:45 PM
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Quote:
I agree It's a liability being me... So it could happen Shadow... Worse than Debbie downer... Maybe I should go into therapy....
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~Shadow~ 83 500 SEC Euro 198K
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#15
10-14-2007, 04:33 PM
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CS,
I feel some of your pain, BUT, do yourself a favor, PLEASE. Get the plugs, wires, and CVswitch replaced, get an opinion on the timing chain and make a decision. THEN, watch the oil level and color, water level, transmission fluid level, and gas milage. If any changes or becomes excessive have it checked, until then, drive it and be proud you had something to do with saving and working on the old Brownie MB. Chris
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Christopher Henkel 1990 190E 2.6 - Arctic white SOLD 1986 190E-16v - Blauswartze 1993 300CE - SOLD 2003 W208 CLK 320 Cabriolet - Magma Red
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