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S1 Elite fuel filler cap leaking during fast turns. Any fix? - Engine & Ancilliaries/Gearbox - The Lotus Forums - Lotus Community Partner #ForTheOwners Jump to content


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S1 Elite fuel filler cap leaking during fast turns. Any fix?


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This is for a '74 Elite.

The seal ring and rubber gasket behind the sealing ring plate are both in reasonable shape on my car, but I still get quite a bit of fuel spilling out of both caps in tight turns - and that's with only half tank.

Is there a good solution for sealing the fillers, or do I just keep a rag and some water with me at all times? Is anyone keeping fuel the car with stock caps?

(I'm somewhat surprised I wasn't able to find a previous topic on this. I thought this was a common problem?)

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I had a similar problem with my early Excel, but only with a full tank. A new seal solved it. The Excel does have a GRP filler cap, not a metal one.

I have made many mistakes in my life. Buying a multiple Lotus is not one of them.

 

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There are two systems for fuel tank venting.  One uses a small hole in the filler cap, the other uses a small tube attached to the filler neck inside the car.  Do you know what sort of filler caps you have?

Pete

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2 hours ago, Escape said:

I had a similar problem with my early Excel, but only with a full tank. A new seal solved it. The Excel does have a GRP filler cap, not a metal one.

Had similar on one of my excels, can't remember which year/model though, think there was a revised seal available which I bought from London Lotus.

 

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9 hours ago, EXCEL V8 said:

There are two systems for fuel tank venting.  One uses a small hole in the filler cap, the other uses a small tube attached to the filler neck inside the car.  Do you know what sort of filler caps you have?

I have the type with the vent/tube on the filler neck.

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Thanks for the replies, all. I ordered a couple new seal kits from a Norton dealer - thinking maybe mine look ok, but are too hard to make a good seal.

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