The Triumph Dolomite Club - Discussion Forum

The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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 Post subject: Sprint fuel filler cap
PostPosted: Fri Jun 07, 2024 4:36 pm 
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Joined: Tue Sep 19, 2023 11:49 am
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Does anyone have a working cap, vented type, either lockable or not for sale please ?
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PostPosted: Fri Jun 07, 2024 5:15 pm 
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Location: Bristol
It can be quite difficult to see if a locking type petrol cap is vented so I will attach a photograph of a cap that I stripped down to find out how it was vented.
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PostPosted: Fri Jun 07, 2024 6:50 pm 
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This one is completely different from mine, but thanks.


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PostPosted: Sat Jun 08, 2024 4:39 pm 
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Location: Bristol
What you can do is to take the rubber seal out and then cut a groove across it to let air in and then replace it. I do not think many MoT engineers actual look at the seal and it is no different from having a vented cap.


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PostPosted: Mon Jun 10, 2024 11:32 am 
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Another Sprint owner suggested I drill a small vent hole through the alloy and up towards to lock, inside the rubber ring. I did and it works. I have another non-vented one I can use for the MOT. Thanks for your suggestion too.


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