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I have a 1989 SEC, with the vacuum hoses gones, toasted. I search in the blue service manual, and on the print under the hood, also on a Chrysler 8673/20382 Chilton's manual, and what  I found is just controversial from one data to the other.  I purchase a bunch of silicon hoses, and copy  the print that is under the hood (#4405202), that anyway is not showing all the air filter canister connections. the car start and run, no vibration, the turbo turn on, the auto speed control is not working,  and after a few minutes the motor start to surges. Anyone can help with an appropriate diagram?  Thanks.

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That diagram looks correct. It sounds like maybe the hose from the turbo compressor to the cruise control isn't plugged in or has a hole in it somewhere.

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Nope, new hose going from the turbo to to the speed control. The air cleaner box actual connections:

1) Vacuum to quick release valve connected the shut-off-valve

2)All the big 2"hoses are easy to connect.

3) From the valve cover to the air filter cover is Ok.

4) From the turbo to below the air filter/shut off valve is OK.

5) Is where is the problem....one port on the air cleaner, close to the point #1, is with no connection.

 

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Can you take a picture of it?

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Is the picture.

Now, reading to all the vacuum related questions and answers on this forum, probably I am the #1001 with this issue. I am surprise that no one of our Gurus posted a complete vacuum/pressure diagram, maybe with blue color all the vacuum, and in red all the pressure. I just throw the ball, see where will go.

IMG_2197.JPG

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Just to have more fun, I use to have another TC, and I save a ton of parts, also the plastic plate under the hood with the vacuum diagram, and  the connection by the throttle body is different.??????????

002.JPG

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2 hours ago, Alfonso Montemerlo said:

Is the picture.

Now, reading to all the vacuum related questions and answers on this forum, probably I am the #1001 with this issue. I am surprise that no one of our Gurus posted a complete vacuum/pressure diagram, maybe with blue color all the vacuum, and in red all the pressure. I just throw the ball, see where will go.

 

Hello Alfonso, interesting suggestion that you “throw out”  ️, back to you.

You must have seen many helpful replies from me. Over the years there has never been a good, easy to read and understand vacuum hose diagram published by any automotive shop manual producer.

May I suggest that YOU take a shot at it, then we can all have a look at it and help to refine it. This way you can get the credit for it.
There is no one here who are getting paid to give any advice and help here.
We do it as the spirit moves us. You are free to join in.

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My 1 car is apart right now and my other one is on its way to me, so I don't have it to look at, but I am pretty sure that bigger nipple goes to a J-hose that T's into a line...I think from the throttle body to the cruise control. Again, I don't have mine to look at.

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Mr. Hemi, I print so many of your replies that my print dried up, and as soon I will found the correct position of each hoses I promise that I will do the layout.

Mr. Reaper1, as soon you can verify the hoses in the J, let me know. Yes I believe that from the J, one side goes to the speed control, but from both prints the turbo small fitting  goes to the cruise control diaphragm, well, we will see.... for now thanks to everyone.

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4 hours ago, Alfonso Montemerlo said:

Mr. Hemi, I print so many of your replies that my print dried up, and as soon I will found the correct position of each hoses I promise that I will do the layout.

Mr. Reaper1, as soon you can verify the hoses in the J, let me know. Yes I believe that from the J, one side goes to the speed control, but from both prints the turbo small fitting  goes to the cruise control diaphragm, well, we will see.... for now thanks to everyone.

OK, I think you kind of answered your own question there. Since the diagrams show both the cruise control AND the air box connecting to the 1 fitting on the turbo, then that's where the J-hose T's into...that line coming from the turbo to the cruise control. This is based only on your description above and I still need to see if I can physically verify.

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Mr. Reaper1, do you maybe a chance to confirm the J, or better the Y fitting connections? maybe one side to the air box filter, one to the turbo, and one to the speed control.  But maybe I am wrong.

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On 7/8/2020 at 5:47 PM, Alfonso Montemerlo said:

Mr. Reaper1, do you maybe a chance to confirm the J, or better the Y fitting connections? maybe one side to the air box filter, one to the turbo, and one to the speed control.  But maybe I am wrong.

Yes, this big line on the airbox get Teed into a supply line from the compressor of the turbo to the cruise control.

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