Question about 1985 Mercedes-Benz 190

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1985 mercedes diagnosis

I have a 1985 mercedes 190d. It is smoking quite alot and I was wondering if this might be a burnt valve. The previous owner had told me that was what it was. How can I diagnose this?

Thanks,

Tom

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What color smoke is? if black, then can by bad injectors, bad air filter, bad fuel pump.

Posted on Oct 05, 2008

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1985 mercedes 190d starves for fuel when I try to bleed injectors fuel comes out of the ferrules foamy


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Jul 02, 2010 | 1985 Mercedes-Benz 190

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How to replace belt merc 190d 1985-cant get enough slack to get over pulleys


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Jan 24, 2010 | 1985 Mercedes-Benz 190

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Want free 1985 mercedes 190d wiring diagram & or free repair manual


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Aug 30, 2009 | 1985 Mercedes-Benz 190

1 Answer

Hello i have a 1985 mercedes benz 190D, automatic trans. I still have a problem with my vacuum lines. where each of the lines suppose to go on the engine. My engine stayes on when i turn the key off. the...


there should be a vaccum operated selonoid on the injector pump(it's on the drivers side of the engine)check and see if you have a bad/disconnected line there.

Apr 27, 2009 | 1985 Mercedes-Benz 190

1 Answer

Mercedes Benz 1985 190D


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hello,hoping this diagram help your problem,
if you try to download this, use picasa photo viewer to open the file...it can give you a high quality zoomed image...inform me if you received,ty

Apr 25, 2009 | 1985 Mercedes-Benz 190

1 Answer

1985 Mercedes Benz 190D


hello,i have a copy of vacuum diagram,what is your trans.,,manual or automatic ,so i could send to you,ty

Apr 24, 2009 | 1985 Mercedes-Benz 190

2 Answers

I have a 1985 mercedes benz 190D i just had a starter put in, i notice that my vacum lines are not on the right lines my car stayes on when i try to turn it off. i need to know where each vacum lines goes....


rbbnsent: Let me see if I can help you.Fird, your vacuum lines are color coded if you look closely. As they age, some of them get difficult to differentiate from. One place where you can positively ID them, is where the line has not been exposed to the elements. That is where they have been inside a vacuum hose.
Ready?
Starting off, the vacuum line which shuts off the engine is a brown/blue line it goes to a diaphragm that has the fitting facing parallel to the pump body (runs parallel to the ground) Hook the line into the diaphragm.
Next, you have a vacuum hose which has a check valve on it.
Connect this one to the fitting which runs straight up.
There should be a white line near by. Hook the line up to the fitting just behind the one you just hooked up.
There should be a Black line going into the back of the pump.
Alright, coming off the vacuum pump, you have a fitting which should 4 lines excluding the vacuum source.
Now the vacuum source should have a check valve in line with it.
The following colors should be going into this "T"
White, white/blue, green, white/black.
Going back to the injection pump: Coming off the line which had the check valve, one direction is white/violet/brown and the other direction which heads off in the same direction as the front of the motor, is black.
The Black line coming out of the back of the pump hits a "T" which goes to a check valve and it hits another "T"
Coming off the side of that "T" is a white/green
I'm pretty sure, I have far exceeded the number of vacuum hoses which you found disconnected.
I hope I have answered you question thoroughly.
I happen to drive a Mercedes Diesel (81 300TD wagon) I love it!
Let me know how you make out. Mercedes Diesel are a specialty of mine!

Apr 24, 2009 | 1985 Mercedes-Benz 190

1 Answer

Vacuum diagram of Mercedes 190D, 2,2


neto 190D: You are asking about a vacuum diaphragm?
I'm going to take a WAG.. Your engine won't shut
down with the key?
If so, he is the way you find out:
In your injection pump, the vacuum diaphragm which kills the engine is the one which has the fitting pointing parallel to the ground.
The vacuum line which serves it is a brown/blue
To check the system, first check for vacuum in the line. Run the engine for a minute or so. Cap off the brown/blue line.
Turn the ignition switch off and then with hose in hand, uncap it and you should hear a hissing sound. If you have a vacuum guage, obviously, use it for the test, you need a minimum of 10 inches to kill it.
To test the pump diaphragm, you can rig a vacuum line to a known vacuum source close to the main "T". Run the engine and with the line connected to the diaphragm, connect it to the good vacuum source, if it kill the engine, the diaphragm is good. If you have a hand vacuum pump it would be more ideal, because you could check the diaphragm for small leaks.
If the diaphragm is bad, it is easy to replace on the pump.
The shutoff diaphragm lists for $86.00
Is my shot in the dark correct?
Even though I am a Nissan Master tech, I also specialize in Mercedes-Benz and specifically Diesels, so if you need help, I'm here. I went through a few Mercedes Schools and have been swinging Iron in Mercedes since the 70's
I might be a little more informative than the public library.

Mar 05, 2009 | 1985 Mercedes-Benz 190

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