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> Gas Cap Advice, 1972 1.7
Ross
post Mar 16 2018, 12:36 PM
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Does anyone have any advice on a good gas cap? I have a 72 1.7. Whenever I make a left turn I smell gas. I know there are a couple of different ones out there. I think I need the metal one.

Thanks for any help, Ross
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jmitro
post Mar 16 2018, 12:52 PM
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914rubber makes the seals:
https://shop.914rubber.com/914-Early-gas-ca...eal-914EGCS.htm

but there are several other potential sources of leaks at the top of the tank so make sure you isolate the source correctly
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mepstein
post Mar 16 2018, 01:00 PM
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Yes, you need the metal one. There a 3 rubber seals at the top of the tank. Gas cap, Seal under the gas fill, seal under the gas gauge sender. I would take the time to replace all 3.
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Ross
post Mar 16 2018, 01:28 PM
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Thanks guys. I have replaced the snout seal and the seal for the fuel gauge sender. I think, based upon process of elimination that it is the gas cap. It's old.

On a side note - I kicked around whether I should test my process by putting rubber glove material (or some other kind of material) over the gas tank snout and then putting the gas cap on and see if I get the smell. Thoughts?
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GregAmy
post Mar 16 2018, 01:32 PM
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Are you sure it's the cap? I had a problem with gas smell and some drips on left turns, especially when the tank was fuller, and it was rust holes in the tank on the rub strips against the firewall.
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Ross
post Mar 16 2018, 01:36 PM
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I think the tank is fine. It was a good used one I put in about a year ago. (But I know... w these cars anything is possible)
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