Re: [xj-s] Gas tank filler cap

[Mike Morrin <mikem@southern.co.nz>]

At 02:03 PM 7/28/98 -0400, Bernard Embden wrote:
>List
>
>I would me interested in your responses. I have a 1978 XJ-S (60K miles). I
>seem to have some venting of gas vapors from the gas cap. Jaguar did a
>recall some years ago due to excessive pressure in the tank. This has cured
>the problem somewhat, however the real problem is the sealing of the gas
>cap. 

Someone tell me I am wrong, but I think the pre-HE fuel tank was not
pressurised.  The fumes are vented via a carbon cannister, but the system
is not closed at shut-down as on the later cars.  

>The cap is a simple twist on thingajig. The sealing surface is not as
>smooth as it should be and is further compromised by the two cutouts
>necessary to latch the cap. 

I have similar problems with sealing at the cap, but due mainly to a
non-original locking cap which has been fitted.  I only have a problem if I
fill the tank all the way up.

regards,

Mike Morrin

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• From: Bernard Embden <bembden@tco.com>

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