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-   -   2018 Fatbob gas cap rattles (https://www.hdforums.com/forum/2018-softail-models/1224359-2018-fatbob-gas-cap-rattles.html)

Gremski 03-22-2018 12:42 AM

2018 Fatbob gas cap rattles
 
I love my 18' Fatbob, but the gas cap rattles (vibrates) when I accelerate. It's pretty noisy, mixes with the engine sound in an annoying way. Wondering if anyone else has experienced this and found an easy fix? I try tightening it, adjusting it, etc. but can't get rid o' the rattle. Would replace if I could find one that matches my industrial grey.

blackSP 03-22-2018 03:54 AM

Can you explain better what part it is that rattles? I haven't heard anything (yet)

DrPlastic 03-22-2018 04:48 AM

My '16 break out does this also. And yes it is correctly installed. It only goes on one way. I hear it and can see it s it will also rotate a bit. I know it is the cap as when I put my hand on it it stops. I have been told that this is normal. I plan on installing a chrome flush mount, pop up one later this year.

Prot 03-22-2018 06:18 AM


Originally Posted by DrPlastic
My '16 break out does this also. And yes it is correctly installed. It only goes on one way. I hear it and can see it s it will also rotate a bit. I know it is the cap as when I put my hand on it it stops. I have been told that this is normal. I plan on installing a chrome flush mount, pop up one later this year.

It's not normal. Even the OEM caps on my old bike don't rattle and my engine is solid mounted with no counter balance shafts.

I have replaced them with pop ups just for improved appearance.

SgtThump 03-22-2018 08:24 AM

Ive read more than one post on here about the gas cap rattling on the new FatBob. Mine doesn’t yet, but it seems to happen.

Believe the other posters that had this issue had the gas cap replaced under warranty, believe it or not.

Decker72 03-22-2018 09:31 AM

I had the same issue on my Fat Bob ... annoying as hell. It was warrantied without question by my local dealer.

FatBob2018 03-22-2018 10:59 AM

Yep, I had that exact issue, it'd buzz like an angry hornet at 2500 rpms. They replaced it under warranty.

Sidefire 03-22-2018 11:35 AM

Mine didn't.... Until I went stage 2. Now its pretty annoying. Ill check if they will cover it under warranty, that would be awesome.

Gremski 03-22-2018 11:37 PM

Thanks for the replies.

@BlackSP - not sure which part of the cap rattles, but when I lay my hand on it lightly while riding, it stops the rattle.

Good to know that it's under warrenty. Will call me dealer in the morning.

Gremski 03-31-2018 08:34 PM

Well a happy ending -

Stopped by my local dealer today and swapped out the gas cap with a new one for free thanks to the warrenty. No buzz during the ride home.


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