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Unread 09-26-2011, 10:14 PM   #1
nkaufmanogd
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vacuume amplifier

does anyone know where to get a vacuum amplifier for a 1976 jeep cj7?

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Unread 09-27-2011, 03:16 AM   #2
John Strenk
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Are you talking about a Brake booster?

Last time I had anything close to a Vacuum Amplifier on a jeep was the one on the fuel pump for the vindshield vipers.
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Unread 09-27-2011, 05:48 AM   #3
BioTex
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Maybe talking about a vacuum can???

Looks like a sealed up coffee can; used to "store" vacuum.

If so, they are plentiful in J.Y.'s sometimes they look like a round plastic ball.
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Unread 09-27-2011, 07:39 AM   #4
86cj74.2L
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Quote:
Originally Posted by BioTex
Maybe talking about a vacuum can???

Looks like a sealed up coffee can; used to "store" vacuum.

If so, they are plentiful in J.Y.'s sometimes they look like a round plastic ball.
The 86 CJ7 has a factory vacuum Can under the battery box.
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Unread 09-27-2011, 10:24 AM   #5
Pathkiller
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Nah, he means a vacuum amplifier for the stereo. Runs on engine vacuum and provides 500 watts of ear-splitting, hemorrhoid busting bass to your subwoofers.
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Unread 09-27-2011, 10:34 AM   #6
CJ5_Fan
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Not sure as to what you are really asking for but if you are looking for an onboard vacuum booster for your brake system, then I recommend this:

http://shopping.yahoo.com/81422042--...-vacuum-pumps/

it allows me to maintain 22HG for the booster and will work even if the engine dies so you never loose brakes if you stall out on a hill.
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Unread 10-02-2011, 08:13 PM   #7
nkaufmanogd
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sorry guys for not being more specific, a vacuum amplifier is a piece that acts as a spacer between the egr valve and the manifold it has a little tube that goes up to a saucer looking thing and it connects back to the cto valve switch off the block
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Unread 10-02-2011, 08:23 PM   #8
frankush
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Now that's specific!
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Unread 10-02-2011, 09:31 PM   #9
nkaufmanogd
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the purpose of this vacuum amplifier (i noticed i left that out as well) is to amplify the the vacuum that is going to the egr valve
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Unread 10-03-2011, 03:29 AM   #10
BagusJeep
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These are the emissiosn components, number 1 being the EGR valve. which bit are u looking for?
emissions-components.jpg   emissions-2.jpg  
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Unread 10-03-2011, 03:51 AM   #11
John Strenk
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Quote:
Originally Posted by BagusJeep View Post
That is the NLVR valve, a great piece of kit if you can find one
I don't think so. He said it's mounted between the EGR valve and the manifold.

Something like this?:


Never seen one on my 76. Mine looks like this:




or do you have something like this setup:

Only without the delay valve?

http://oljeep.com/gw/vac/GW_vacuum.html

Also for a V8 but a better view:


Six Cylinders has them also.


This is for a 87 Cherokee 4.0 (Did they make a 4.0 in 87? )

Click on picture.

I see you live in CA so your jeep probably had this system installed were as the other 49 states never needed one. We just hook our EGR directly to the CTO.

Does you vacuum diagram show the back pressure valve and how good are your inspectors. ??

There is no real Vacuum Amplification. What really happens in the EGR if there is sufficient back pressure than it closes a valve allowing the vacuum to fully open the valve.

Looks like on the 76 system, the control is external instead of internal. I wonder if you can use the later ones as a replacement for your system.
egrvalveanismall.gif  
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Unread 10-04-2011, 11:54 AM   #12
CJ5_Fan
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I have no such device on my 1980 and I pass SMOG with no difficulities. I find that most of the "California equipped" options are easily overlooked if missing by the SMOG techs due to the limited manuals they have on hand for vintage vehicles, so they inspect based on the 49 state setup and pass it if that setup is complete.

I would not worry too much about it as long as you have the proper 49 state setup still.
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