Alternative to pricey Fuel Accumulator?

[Adam A. Luy]

Hmmm...curious. The end with the screw was where the fuel was coming out of. I took the screw out and put a makeshift plastic washer underneath when putting it back in - now it doesn't leak. We've driven the car around a bit, turned it on/off, and seems fine. No vapor lock....yet.
 
You say there should be absolutley positively NO liquid coming out of the screw side huh? I guess I'll hit up a junkyard this week and see if I can find a 4000 to grab one off of, should work no problem. CGTs in yards are few and far between out here.
 
Thanks for the info,
 
-Adam
 
Adam A. Luy 
Layer 7 Labs, Inc. 
Scottsdale, AZ 
 

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From: Tony Hoffman [mailto:auditony at gmail.com] 
Sent: Sunday, January 28, 2007 12:16 PM
To: Adam A. Luy
Cc: Q-list
Subject: Re: Alternative to pricey Fuel Accumulator?


Adam,
 
The purpose of the fuel accumulator, in conjunction with the fuel pump check valve, is to maintain pressure in the fuel system when the pump is not running. Otherwise, you will have a very bad case of vapor lock, and have a hard time starting the car wfter about 10 minutes of sitting. Ask me how I know :( 
 
It is a simple diaphram and spring inside, so there is little to go wrong. You can check for a bad diaphram by looking on the end without the lines, there is a small screw. If there is evidence of liquid being there in the past, the diaphram leaks. They should be the same for nearly any CIS Audi, I don't think I've ever seen any difference from the Foxes all the way to the 1991 200. 
 
Tony Hoffman 

 
On 1/28/07, Adam A. Luy <HYPERLINK "mailto:Adam at routersinc.com"Adam at routersinc.com> wrote: 

Hello All,

$220 for the fuel accumulator on my '83 CGT....ouch.  Haven't pulled it yet, but feels like there is a little nob/nub on the top that fuel is spraying out of. Looks like it's the same part for all 80-84 (maybe longer) 4000/CGTs. 

Thanks in advance!

-Adam



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