What does this mysterious part do?
Thread Starter
Senior Member
Joined: 05-06-2008
Posts: 1,076
From: Over here
You're dangler should be plugged into to the Charge Air Bypass Valve Vacuum Tank (2). 
That was fun.
Attachment 5984
That was fun.Attachment 5984
Founding Member
Joined: 11-23-2007
Posts: 8,210
From: Texas
That's the best it gets on picture size. When I enlarge a picture it becomes a TIFF and I only have a TIFF viewer. It's below the manifold, mounted on the engine between the engine and the radiator. You have to access it from underneath the vehicle. You will see the nipple once you get under it and look up. If you can't see it, try to feel for the nipple. Surely you have done this before. Think teen years in the back of the theater.
The first time one of my techs replaced a knock sensor he broke that nipple off the tank. Nice. They are right next to each other.
Danglers...nipples,,,this thread just keeps getting better and better.
The first time one of my techs replaced a knock sensor he broke that nipple off the tank. Nice. They are right next to each other.
Danglers...nipples,,,this thread just keeps getting better and better.
Thread Starter
Senior Member
Joined: 05-06-2008
Posts: 1,076
From: Over here
Senior Member
Joined: 08-06-2009
Posts: 181
From: Crestview,FL
XXL, Here is a pic someone posted over on the cobalt SS forum that shows on the car http://cobaltss.net/forums/showthread.php?t=196631 of course a few items are missing from his 
it's on the 6th and 11th pic he posted thought it might help.
it's on the 6th and 11th pic he posted thought it might help.
Thread Starter
Senior Member
Joined: 05-06-2008
Posts: 1,076
From: Over here
I had a chance to climb under the car a few minutes ago and take some pictures.
The 2 hoses coming off that tank pictured here (shot from the ground looking up-- for reference, note black tube emanating from a boss in the top left of the picture... that's the oil dipstick)--
...come straight up the middle of the motor and plug into the the top of the manifold as highlighted here--
While vacuum is ultimately related/interconnected in some way throughout the car, neither the tank or the connections running to it are at issue. The item at issue is approx. 12" due left (toward the passenger side of the motor) of the fittings pictured in the second pic above.
The 2 hoses coming off that tank pictured here (shot from the ground looking up-- for reference, note black tube emanating from a boss in the top left of the picture... that's the oil dipstick)--
...come straight up the middle of the motor and plug into the the top of the manifold as highlighted here--
While vacuum is ultimately related/interconnected in some way throughout the car, neither the tank or the connections running to it are at issue. The item at issue is approx. 12" due left (toward the passenger side of the motor) of the fittings pictured in the second pic above.
Senior Member
Joined: 03-16-2008
Posts: 662
From: Cleveland, Ohio
That's the best it gets on picture size. When I enlarge a picture it becomes a TIFF and I only have a TIFF viewer. It's below the manifold, mounted on the engine between the engine and the radiator. You have to access it from underneath the vehicle. You will see the nipple once you get under it and look up. If you can't see it, try to feel for the nipple. Surely you have done this before. Think teen years in the back of the theater.
The first time one of my techs replaced a knock sensor he broke that nipple off the tank. Nice. They are right next to each other.
Danglers...nipples,,,this thread just keeps getting better and better.
The first time one of my techs replaced a knock sensor he broke that nipple off the tank. Nice. They are right next to each other.
Danglers...nipples,,,this thread just keeps getting better and better.
Thread Starter
Senior Member
Joined: 05-06-2008
Posts: 1,076
From: Over here
One would think that an open vacuum line would be WELL documented if it was supposed to exist. One would also think that the locations and terminus for all vacuum lines would be WELL documented. This may explain a lot about the build quality of our cars... GM gave a bunch of workers in Mexico a pile of tools and some parts and just let them go at it without any instructions.