Jesse:
I had a real bad gas smell in my B a few years back.
I checked out the whole fuel system, and found
everything OK except for a leaky fuel tank. However,
after replacing that, the smell persisted. It was
coming from the rear of the car (I've got a GT) and
one afternoon I just followed my nose...and the smell
appeared to come from this round thing with two
braided steel hoses coming out of it, located in the
right rear of the car. The round thing was the fuel
vapor separator, as identified by the Moss catalog
(the Haynes manual didn't mention it). After I
removed the braided steel hoses, I discovered that the
inner rubber portion of the hose had severely
deteriorated. I replaced both with brand new rubber
hose (fuel line, actually) and the smell was soon
gone.
I guess the lesson would be to follow your nose!
Given you have a good nose, that is. Perhaps the
family cat could provide assistance? :-).
Regards,
Matt Milkevitch
--- Dave Wood <djw69@idt.net> wrote:
> Jesse,
>
> You have a 70 B with a Weber which means (to me)
> that someone converted the
> SU's to Weber and possibly didn't connect up or
> block off the absorption
> canister or vapor separator. You might check the
> canister which is located
> on the passenger side of the firewall to see if the
> lines are still
> connected. Chances are that the vapor separator in
> the trunk is still
> connected but the canister is no longer connected to
> the carburetor. This
> would cause the gas vapors from the gas tank to vent
> into the air from the
> canister.
>
> Dave 72 B
> ----- Original Message -----
> From: "Jesse Robinson" <jesserobinson2@hotmail.com>
> To: <mgs@autox.team.net>
> Sent: Monday, October 23, 2000 9:34 PM
> Subject: I smell GAS!
>
>
> List,
>
> When the top is up and the windows are rolled up I
> can smell gas. Which
> makes it a real drag for winter driving. I did
> installed a new SU fuel pump
> a while back, and didn't tighten the gas pipe hard
> enough the first time
> around. I found it to be leaking slightly - tighten
> it until it stopped and
> thought that was the problem. Well, I still smell
> it... I ran the engine
> for a while and gave a good look under the car, and
> nothing was leaking. I
> followed the fuel line and didn't see anything out
> of the ordinary (didn't
> check really good around the tranny though...). I
> also gave a quick look in
> the trunk. Nothing seemed to be leaking...
>
> Any ideas where to go from here?
>
> Gas mileage is pretty bad - 140 miles a tank! I
> didn't get really good gas
> mileage to begin with: never rebuilt/valves
> rattling/low oil pressure/Weber
> Downdraft Carb. Not really sure what the mileage
> was before, because I took
> the car out of storage, to start driving it again,
> and the fuel pump broke
> first thing. I did replace the tank about 13 years
> ago with a used one from
> a pick-n-pull yard. Can't think of anything else
> usefull.
>
> Thanks - watching my fuel needle drop,
> Jesse
> 1970 MGB
>
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