Petrol leak

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Re: Petrol leak

by jaguar&mg » Fri Sep 04, 2020 6:03 pm

Actually it was from the connection — and needed a new one — rather than the washer.

Re: Petrol leak

by cass3958 » Tue Sep 01, 2020 9:25 pm

Where was the leak in the end?

Re: Petrol leak

by jaguar&mg » Tue Sep 01, 2020 8:43 pm

Thanks all. This forum is so very useful. Problem solved this afternoon and the engine is running sweetly again — and without the petrol leak!

Re: Petrol leak

by Glyn Ruck » Mon Aug 31, 2020 10:22 pm

Yes ~ that top seal looks shot & really gooey unless someone has put some sealant on it.

Re: Petrol leak

by JCS » Mon Aug 31, 2020 10:03 am

The original image in this thread appears to show a good example of the failure of the black seal between the glass bowl and the filter body. It looks like that seal has been seeping for some time.

I once renewed one of these in France on an XK140 /150 and I know from that experience that there are similar filters on various cars of very slightly different diameters.

In addition the actual filter body sealing area was very fine. Just be aware of having the correct seal on hand, the outer diameter of which must be a firm fit in the filter top. If that filter ring tends to drop down and out of the filter head the ring is too small.

Re: Petrol leak

by Glyn Ruck » Mon Aug 31, 2020 4:10 am

Filter2.JPG
Filter2.JPG (79.49 KiB) Viewed 2059 times

Re: Petrol leak

by Glyn Ruck » Mon Aug 31, 2020 2:45 am

You are correct: Brass screen was all that was fitted to cars up to 1968. Then followed the moulded resin insert known by Jag aficionados as the "burnt cake" filter in the glass bowl. The folded paper element was a newer introduction. Burnt cakes are hell to find these days. Most of us just use the paper filter. Helps with Viton tipped float bowl needle & seat contamination & float bowl overflow.

From the JCNA Mk2 Concours Judges guide. Same applies to S Type.

Filter.JPG
Filter.JPG (84.31 KiB) Viewed 2067 times

Like Rob I keep a fire extinguisher in the cabin close to hand. Friend lost a Mk2 he restored due to being too cheap to replace a buggered wiring harness.

Re: Petrol leak

by John Quilter » Sun Aug 30, 2020 8:10 pm

And just now checking the factory parts manual, it shows no filter. Must have been something added in later production?

Re: Petrol leak

by John Quilter » Sun Aug 30, 2020 8:02 pm

Glyn's second photo shows a paper filter element. From 1966 when I acquired my 3.8S there has never been a filter in this glass bowl. Never had any fuel system issues without one in all these years although once in a great while a small bit of sediment collects in the bottom of the bowl. Did all these AC fuel bowls always have a filter?

Re: Petrol leak

by jaguar&mg » Sun Aug 30, 2020 2:10 pm

Thank you very much. This is, however, beyond my limited ability so I shall have to have the car transported to someone who can sort it. Driving it there is several risks too far!

Oh those costs will mount up!

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