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post #1 of 12 (permalink) Old 08-26-2016, 12:07 PM Thread Starter
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Whining noise at temp

my bike seems to have a noise that develops after it gets up to temp. The whining sound it makes sounds like a vacuum leak, and only occurs under throttle. If it is idling it is just fine but give it throttle to about 2k rpm's and it starts making this whining sound. It is not consistent, I can be cruising down the road and maybe I just don't hear it at that time but at stop signs and lights I hear it as I accelerate. It does not do this when it is cold.

Mods on bike are fairly simple, pipes, intake and programmer (kuryakyn perfect storm package)

I noticed that the filter was quite dirty and cleaned that but still does the same thing.

bike has about 23,000 miles.

Any ideas out there?

2011 FX4 F150 302 Coyote
2018 FLTRU M8
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post #2 of 12 (permalink) Old 08-26-2016, 01:00 PM
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Primary chain too tight?

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post #3 of 12 (permalink) Old 08-26-2016, 06:39 PM
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My thought would be primary chain too or possibly the transmission. Mine has a slight trans whine when hot. Also if you do your own work you may want to change your primary and trans fluid. It is possible for the oils to break down and not lubricate as they should when hot

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post #4 of 12 (permalink) Old 08-29-2016, 09:43 AM Thread Starter
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Changed the oil and trans over the weekend and went out for a ride. Still same deal sounds like a pissed off chipmunk on decel and now does it at idle, not noticable when accelerating.

I did not see anything unusual in the oil and it had only been about 2000 miles since the last change. I run Mobil 1 V-twin 20-50 in all three holes.

Thank you for the thoughts folks, I will keep trying to figure this one out. I am going to get some Fuel Injection cleaner and see what happens when I spray that in the intake.

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post #5 of 12 (permalink) Old 08-29-2016, 07:53 PM
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Is it a chirping noise or a steady whine? It's possible you've got a lifter roller taking a crap. I'd suggest checking them out.
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post #6 of 12 (permalink) Old 08-30-2016, 11:59 AM Thread Starter
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Steady noise, but more noticeable at around 2300 rpm. I have a video of it but it is 20MB in size, I will try to trim it down and post it.

2011 FX4 F150 302 Coyote
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post #7 of 12 (permalink) Old 08-31-2016, 03:33 PM Thread Starter
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Cant post the video can anyone else host it for me?

2011 FX4 F150 302 Coyote
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post #8 of 12 (permalink) Old 08-31-2016, 03:44 PM Thread Starter
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ok I got it now

https://youtu.be/6ZL0kcVA8i4

2011 FX4 F150 302 Coyote
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post #9 of 12 (permalink) Old 08-31-2016, 07:11 PM
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Quote:
Originally Posted by rolling_again View Post
Can you tell if it's coming from the cam chest ?

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post #10 of 12 (permalink) Old 08-31-2016, 07:29 PM
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That sounds like a lifter roller/bearing, or possibly a head gasket leaking.

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2015 Denim Black RG, FM ss ceramic coated 2-1-2 pipe, White Bros Original E Series Mufflers, FM ac, PV Tuner

Last edited by lil chief; 09-01-2016 at 08:39 AM.
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