85 Daytona vacuum lines.

[sleepingboysdad]

I was changing vacuum lines and referred to the diagram under the hood. I got the 2 that went to the throttle body and fuel pressure regulator. The one that goes to the pressure guage (I think that is where it is suppose to go) was not hooked up to anything. I cannot seem to find where it goes. Any ideas?

Red arrow is the one I am interested in

http://img233.imageshack.us/my.php?i...daytonaon7.jpg

Not that sharp at posting a picture.

[NAJ]

According to my vacuum diagram the pressure gauge comes directly from manifold vacuum source(vacuum block).
The lines that I see that run by the booster are EGR Transducer, Cruise and HVAC control.

[sleepingboysdad]

Thanks for the reply. My problem is I have no idea what I am looking for.

The existing line has an elbow connector on the end. I am not sure what (according to this below diagram) the Oriface/orifice should look like.

[NAJ]

The orifices were built into the original plastic vacuum harness so you will not find them.
I am not even sure what the purpose of the orifice's were, when I replaced my lines I was not even thinking about them and have no driveability concerns without them in the system.
Which components are you having trouble locating/connecting?

[sleepingboysdad]

As you see by the pictures.. I have changed some of the vacuum lines. The little hard black plastic one with the arrow pointing to it is the one I can't seem to find where it would connect. It has a connecting elbow (as seen in the other pictures) It was unhooked and not doing it's job. I had some code issues that I never got resolved. I will look them up on here and post them. Hopefully the 3 pictures will show up on this post. Here goes:






The code was 52. Here is the thread I started a while back. I never did get it resolved.

[sleepingboysdad]

Code 52

I guess just click on the "Code52"

[NAJ]

Code 52 is "rich exhaust indication" meaning that the O2 Sensor is latched above .450 volts and controller fuel corrections cannot correct the problem.
It does not necessarily mean the O2 Sensor is at fault, it means that something is creating a rich mixture and you are using up your air supply before your fuel supply.
The O2 only reads remaining air in the exhaust stream.

[NAJ]

It is almost impossible to tell what is not connected looking at the pictures, I would need to see the car to physically trace the lines so lets go by a process of elimination.
What is not connected properly?
The vacuum diagram is showing 5 lines from the factory vacuum block and you have 7, so1 or 2 must run to the Manifold for thier Vacuum source.
Be aware that all Solenoids have 3 ports, Vacuum in, Vacuum out(when the Solenoid is actuated) and a Vent that remains open.
All of these lines from the Vacuum Block to thier source should be Manifold Vacuum.
1)Baro Solenoid, then Baro runs to the MAP sensor(on the Logic Module behind the R/S kick panel)
2)Fuel Pressure Regulator
3)EGR Solenoid, then runs to the EGR Transducer
4)Wastegate Solenoid, then runs to the Turbo
5)Pressure Gauge, should run thru the firewall to the Instrument Cluster
If you have to look inside the car under the dash to see if you can loacte the lines, if need be remove the Cluster and trace the line.
From the Throttle Body,
2 lines run to the Vapor Canister
1 line runs to the Brake Booster
1 line to the PCV Valve
The line to the Booster from the TB should be Manifold Vacuum
The line to the PCV Valve should be Manifold Vacuum
The 2 lines to the Vapor Canister may or may not be Manifold Vacuum or Ported Vacuum
(Ported = behind the Throttle Plate, will not have vacuum applied until the Throttle Plate is opened)
From the Brake Booster,
1) To HVAC control (inside the vehicle to the control unit)
If there is vacuum missing you will only have defrost, there may be another line from the HVAC Control Unit to the Heater Control Valve if equipped with A/C.
2) To the Cruise Control

[Thomas Hand]

I just popped on some detailed shots of an 84 TI that is pretty similar; maybe enough to help you get closer.
Thomas Hand's Images - Turbododge Picture Gallery