Question about 2008 Harley Davidson FLHX Street Glide

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Whining noise from primary case when you roll on throttle.

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Clutch inner primary bearing gone or primary chain too tight. Auto adjuster on these bikes so more than likely bearing failure.

Posted on Oct 21, 2013

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Posted on Jan 02, 2017

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SOURCE: Whining noise from primary case when I roll on the throttle

sounds like low to no fluid in gearbox. by rolling throttle it makes fluid rush to back of case . with low fluid all moving parts in case cant get enough fluid covering them causing whine and wear.

Posted on Jul 14, 2013

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Is a loud whinning sound comming from primary case normal when hot?


Hi, Jim "ABSOLUTELY NOT" whining noises are usually bearing ***** songs, in your case however, it may be your primary chain is on the tight side and has worn out the primary chain adjusting shoe also check your primary oil level, sorry you can not find the first and best tool you ever bought for your Harley despair not, for a mere $10 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below, and for specific information or questions feel free to contact me at xlch@mail.com. Good luck and have a nice day.
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1 Answer

1999 fatboy whining noise


Maybe loose cahin, maybe compensaor or clutch loose and rubbing case or cover???

Apr 17, 2014 | 2000 Harley Davidson FLSTF Fat boy

2 Answers

Whineing noise


Check primary chain to see if it's too loose.

If that's not the problem, check that the engine sprocket nut hasn't loosened.

Mar 16, 2014 | 2004 Harley Davidson FXSTB - FXSTBI Night...

1 Answer

Whining noise from primary case when I roll on the throttle


sounds like low to no fluid in gearbox. by rolling throttle it makes fluid rush to back of case . with low fluid all moving parts in case cant get enough fluid covering them causing whine and wear.

Jul 14, 2013 | 2008 Harley Davidson FLHX Street Glide

1 Answer

Hiya I have noise in the front left hand primary cover [knocking noise] Sometimes it goes away when I pull the clutch in and out other than this the bike runs fine and doesn't miss a beat. [Noise...


More than likely, it's either a loose primary chain or possibly the compensator sprocket. If the noise is at idle, this will probably be the case. Now, if the noise occurs when you roll the throttle on but goes away when just cruising, you may have a bottom end problem. If I were you, I'd disconnect the battery and pull the outer primary cover off. Check the torque on the compensator nut. It should be torqued to 150-165 foot pounds of torque. You'll need a "locking bar" to lock the engine and transmission to keep it from turning in order to apply that amount of torque. Check the adjustment of the primary chain. 3/4 to 7/8 inch with the engine cold. When you refill the primary with oil, do it with the bike standing straight up. Fill to the bottom edge of the outer clutch shell, the bright aluminum part.

Good Luck
Steve

May 22, 2011 | 2003 Harley Davidson FXSTB Night Train

1 Answer

There is a whining noise from the primary side of engine by the generator is there a bearing on the out side near the cover?


No, the whining noise come from the primary chain as it spinning over the clutch and the sprocket motor.Perhaps the adjustment is too tight,this will cause the noise.Do you check the chain tight through the inspection cover on the primary .You need a 1/2 to 5/8 in free play.

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1 Answer

9-7x whining driveline noise


take it to a mechanic you can trust and see if it is the wheel bearings

Jun 17, 2009 | 2009 Saab 9-7X

4 Answers

98 fatboy engine noise.


Harley's do run hot, anywhere from 220 to 240 normally, and a little hotter this time of year. I suggest running a straight weight oil, and a little heavier weight in the summer. I use Valvoline VR-1 30 weight most of the year, and 50 or 60 weight in the hot summer, and I use Lucas 20w50 primary/trans for the primary and tranny. I don't bother with the extremely high prices of the HD oils. For the whining noise, you need to determine which side of the engine it's coming from. Whining will almost always be in the bottom end. There's nothing in the top end that should whine, and if there is whining from the top, it's usually an air leak around the carb. Start by checking the fluid levels in the tranny, and primary. These are the two most common areas to pick up a whining noise. If it's coming from the left, it's going to be in the primary, and usually this is caused by low fluid levels. From the right, it's going to be either the tranny, low fluid, or the oil pump. The oil pump is a gear type system. If you're running a light weight oil, say a 10w40 or HD 20w50, when the engine heats up and the oil thins, it can cause the oil pump gears to whine a bit, especially in the summer heat. So, check the fluid levels, if they check good, then change the oil, since the summer is coming to an end, go with a straight 30 weight. This should clear up the whining noise. If it doesn't, get back to me with the exact location the noise is coming from, and we'll go to the next level of diagnosing the whine, but I believe that this will cure it.

Aug 22, 2008 | Harley Davidson Harley-Davidson Motorcycle...

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