Gas residue below cap.

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Bigtaku
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Gas residue below cap.

Post by Bigtaku »

I am finding gas residue on my new paint under my gas cap after I fill the tank. I have the new rubber from Datsunparts.com for the cap. Maybe I didn't put it on correctly? Has anyone else had this issue?
gascap 311.jpg
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Michael Montez
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spl310
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Re: Gas residue below cap.

Post by spl310 »

Well, your lock tab is upside down...
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Bigtaku
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Re: Gas residue below cap.

Post by Bigtaku »

spl310 wrote: Wed Sep 23, 2020 4:46 pm Well, your lock tab is upside down...
That is funny, I took pictures of it before I took it apart, the PO must have had the same problem. Now all I have to do is put the tab on the correct side, or does it matter?
Michael Montez
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theunz
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Re: Gas residue below cap.

Post by theunz »

I don’t think that has anything to do with your fuel seepage.

Maybe you have too much horsepower, thus the extreme G forces are forcing the fuel past the seal :D

Seriously though, perhaps the tabs on the cap need to be slightly bent in so that it fits a little tighter.
Mike M
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Bigtaku
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Re: Gas residue below cap.

Post by Bigtaku »

theunz wrote: Thu Sep 24, 2020 8:24 am I don’t think that has anything to do with your fuel seepage.

Maybe you have too much horsepower, thus the extreme G forces are forcing the fuel past the seal :D

Seriously though, perhaps the tabs on the cap need to be slightly bent in so that it fits a little tighter.
After turning the tab upside down, it feels much tighter. I'm going for a drive and going to fill Mothra up first. I will post on the outcome.
Michael Montez