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@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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