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Registered
Join Date: Feb 2000
Location: Charlotte, NC USA
Posts: 270
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What the heck is the tank under the left fender?
Not the washer fluid tank. This plastic tank sits above the washer fluid tank, it's about 1/2 the size of the washer tank and I don't see where the lines run to/from. Any ideas?
I'm looking for diagrams now....
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Shakenbake (Chris Baker) Need new toys 2001 VW Jetta VR6 2003 Sea Ray 200 Bow rider |
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Senior Member
Join Date: Jun 2000
Location: N. Phoenix AZ USA
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Chris,
Parts diagram show a carbon container, use with the fuel system. Could this what you are talking about? Joe
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Registered
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Not sure Joe. It could be. I'm going to try and get a photo of it to post here. Tank seems empty and very light??
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Shakenbake (Chris Baker) Need new toys 2001 VW Jetta VR6 2003 Sea Ray 200 Bow rider |
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Join Date: Nov 2000
Location: Ashburn VA.
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That is the defibulator tank for the tropical fish. OOPS wrong board.
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George My Owners Gallery Page 1983 911SC - Built July 1983 #2547 out of a total 2559 shiped to the US. in 1983. Could be the last U.S. production SC still running. 1995 BMW 525I 2001 Highlander- kid mover |
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Join Date: Feb 2001
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Yeah, I have one of those too...just behind the horn assembly. It has to be part of the antiquated emission control system back then for the tank vapors. Other then that it looks large enough to keep the front end afloat in high water conditions!
Curious to get a positive ID on this as well. Regards Bob 73.5T
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Registered
Join Date: Jun 2001
Location: saint joseph, mo.
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I have a diagram of the emission controls for my 76 and it is the charcoal tank for the fuel tank vapors.
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Join Date: May 2000
Location: Los Alamos, NM, USA
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I believe it is a plastic tank or bottle that provides storage volume for fuel vapors collected from the fuel tank and elsewhere. The vapors reside there until they can be absorbed by the charcoal canister and/or inducted into the engine and burned. I suspect the need for the tank comes from the condition when the fuel tank is completely filled and there is not sufficient vapor space for the fuel vapors to expand into. This extra volume from the tank likely prevents an excessive pressure rise in the system. We have cleaned up this tank in my son's '73 and intend to reinstall it with new hoses. His car will likely end up in California and who can predict the future emissions inspection rules? Even for the currently exempt '73's! Cheers, Jim
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Are you talking about these contraptions (from a '75):
![]() That is the ... um, I dunno.
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I removed that vapor/fuel expansion tank..I kept an open hose for gas tank breathing...If I top off gas tank it overflows to ground..........Ron
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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I suspect it is to isolate the gas fumes and gas tank from any naked flames that may be around the car to prevent a blowback type fire.
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