Noise From the Fuel Tank? - Road Glide Forums
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post #1 of 20 (permalink) Old 10-13-2011, 11:59 AM Thread Starter
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Noise From the Fuel Tank?

Just recently I started making a habit of actually riding while NOT listening to music, just so I can start listening to how my engine is running...and I started noticing a noise which sounds like its coming from my fuel tank. Now, this Road Glide was just purchased brand new 3 months ago. Its a 2011 Road Glide Ultra. The sound is kind of like...oh i dunno, sounds like there's a loose bb or something inside the tank.

A little bit of background. About a month ago, I swapped tanks. Just the tank, not the insides.... I removed the insides (and followed close close attention to the manual, and put them inside the new tank. Everything went smoothly. To the best of my knowledge, there are no bolts or washers inside the tanks guts. Mostly plastic pieces. I havent tried listening to the bike when it had a full tank of gas... I just noticed the sound yesterday, and the tank had only a 1/4 left of fuel.

Other than the tank swap, I did have my 1000 mile maintenance done a week ago.

Where do you think the sound is coming from? Its like a tingy metal sound... again, sounds like a small bb or end of a wire is tapping or hitting someting.

Any help would be appreciated.
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post #2 of 20 (permalink) Old 10-13-2011, 12:29 PM Thread Starter
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i read on hdforums that it could be an issue with lower octane and valve chatter (clatter?). i think i have been using mid grade for the last week or so. i do have to fill up my gas tank today, and i'll use the high octane and see if that makes a difference.
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post #3 of 20 (permalink) Old 10-13-2011, 12:39 PM
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Originally Posted by sdlakerfan79 View Post
i read on hdforums that it could be an issue with lower octane and valve chatter (clatter?). i think i have been using mid grade for the last week or so. i do have to fill up my gas tank today, and i'll use the high octane and see if that makes a difference.
Why are you using mid-grade? that's a no-no. I would say never do that.
could be knocking from low octane fuel. also check all of your bolts--make sure nothing is loose.

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post #4 of 20 (permalink) Old 10-13-2011, 12:49 PM Thread Starter
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I gotcha on the fuel. I will check bolts too.
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post #5 of 20 (permalink) Old 10-13-2011, 12:54 PM
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you can use any grade you want as long as your motor handles it okay. I've used plain 87 regular in my 88 CI for thousands of miles with no problem. As long as it doesn't knock--and a knock won't sound like a BB rattle--don't worry about it.

As far as the mystery noise...you didn't mention whether you hear it all the time or only when you do certain things and that can be important. I had a noise like something was inside my front fender that I would hear every time I came to a stop. Turns out that when the front forks compressed under braking, one of the brake lines contacted my front fender and made a sheetmetal pinging sound. When the bike was sitting still there was all kinds of clearance.
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post #6 of 20 (permalink) Old 10-13-2011, 01:01 PM Thread Starter
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hmm. yeah, well i have about a 40 mile ride home from work today, i'll def' be listening to when and when it doesnt make the sound. If I remember correctly, it made the noise when I pulled back on the throttle. But again... i'll listen more closely today.
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post #7 of 20 (permalink) Old 10-13-2011, 06:04 PM
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you can use any grade you want as long as your motor handles it okay. I've used plain 87 regular in my 88 CI for thousands of miles with no problem. As long as it doesn't knock--and a knock won't sound like a BB rattle--don't worry about it..
Never heard of running regular before. I don't think my engine would like it for long term. Any one else running 87 ?


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post #8 of 20 (permalink) Old 10-13-2011, 06:10 PM
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Your fuel pump is located inside the tank. Could be a loose part.

Edit: In fact, there's a clip that holds the fuel pump in place. It has a "U" shape arm and folds down and around the fuel pump. It could have come unclipped. I'm just sayin'....

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post #9 of 20 (permalink) Old 10-13-2011, 06:13 PM
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Never heard of running regular before. I don't think my engine would like it for long term. Any one else running 87 ?


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. Running 93. With such a small amout of gas needed why wouldnt you run 93 anyway? They run great on it and its not like u need 15 or 20gals of it.
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post #10 of 20 (permalink) Old 10-13-2011, 06:20 PM
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Never heard of running regular before. I don't think my engine would like it for long term. Any one else running 87 ?


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Steve from TTS MasterTune has tuned his 2011 Road Glide to run on regular. We rode together 2 weeks ago. I took 3.7 gallons and he took 1.9 gallons at the pump. He keeps bragging to me about his great mileage and inexpensive gasoline.

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