[TR] TR 6 evaporative system

[Jeff Scarbrough]

Is the switch/valve on the bottom of the carbon canister operating correctly?

Jeff Scarbrough
Corrosion Acres, Ga.

On Wed, Jul 28, 2021 at 3:04 PM <davgil at aol.com> wrote:
>
> I just replaced the fuel tank in my 1976 TR6 and after a short drive, I noticed a leak coming from the vent connection on top of the tank.  I tightened the nut on the connection, but don't really understand why there would be gas in the vent line.  I also noticed that when I opened the fuel cap, there was a hiss like a suction.  I feel that either the vent line, which seems open when I blow air through it from the cannister attachment or the carb bowls (ZS 175s) may be too full and there is a vacuum that is pulling fuel out of the bowls.  My TR6 does run rich.  I don't understand why there would be a vacuum in the tank.  Also, I noticed a bit of oil around the oil fill cap which I have never seen before.  I checked the oil and the level seems correct.  I thought I smelled a bit of gas in it, but that may have been a bit of imagination on my part.  Any suggestions would be appreciated.
> Regards,
> David Gill
> 1976 TR6
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