2011 Harley Davidson FLHTK Electra Glide Ultra Limited Logo

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Rich Jones Posted on May 08, 2012

2012 flhtk transmission noise

The transmission makes grinding noise when hot, in gear and riding along with the same noise when in neutral, clutch untouched. When the clutch is squeezed, the noise stops, while riding or stopped in neutral.

5 Related Answers

Anonymous

  • 216 Answers
  • Posted on Mar 10, 2009

SOURCE: Road King Motorcycle clutch

Theres 2 clutch adjustments you can do - one is on the cable, under the boot, the other is at the clutch hub, under the derby cover in the primary. That should take care of the whine and your problem finding neutral. If you get some teflon spray and shoot it generously down the inside of your cable, you are gonna be surprized at how easy it'll pull

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Anonymous

  • 5 Answers
  • Posted on Jun 24, 2009

SOURCE: Wierd noise coming from clutch/tranny when

Does the noise sound like a whining noise or goes up and down in tone when you reve the bike in nutral? If it does the primarly drive chain needs to be adjusted. Under the bike you will see a bolt with a slot on the end of it and a nut around the bolt. This is the bolt for the chain tightner or nylon adjuster. On the same side of the bike you will see a small cover about couple of inches long with two screws in it holding the cover on. This is the primary drive chain inspection hole. You need to remove the cover and with a good flash light you will see a chain. Make sure the bike is shut off, keys removed and properly secured so it wont move. I recommend a small screwdriver to stick in there to see if you can move the chain up and down. If you can move the chain up and down more than 3/8 of inch it needs to be adjusted by turning the slotted screw clock wise a quarter of a turn. Check the chain after you made the quarter turn for starters and see if the drive chain tighten up. It should have tighten up. Keep turning the screw the same way until the primary drive chain has about 3/8 slack in it. Once again do not tighten the chain so you cant move it. The chain has to have some slack in it or it will or you will damage other components. You may also want to call the harly davidson dealer and give them the model of your bike and they should tell you the adjustment range. I run mine at 3/8 and have no problems. Also have you ever changed the transmission fluid? That would not hurt as well after you have done the above. Before you do the above chain adjustment, you will need to run the bike for a few minutes to operating temparature before the adjustment to allow for expansion.

Once you have made the adjustment, you will haft to place a screw driver in the slotted end of the bolt and use a good oepn end metric wrecnh to tighten the nut. Becareful not to over tighten the nut or it will casue stripping of the threads. Then replcae the chain cover and make sure the gasket looks ok before assemblying it. Its a good idea to pick up this gasket for a few bucks as you have about a 50/50 chance it will leak a little if you use the old one. Someone always asks me how tight do I tighten the bolts or screws. I simply say to them try and remember what it felt like when you had to loosen them. apply the same force to tighten them.

Anonymous

  • 140 Answers
  • Posted on Mar 29, 2010

SOURCE: i have a 2001 harley davidson 1200 sportster. while riding it,it

G'day mate , sounds like primary drive / clutch basket. to find where the fault is turn the engine OFF , put it into gear and spin the rear wheel either by pushing or suspend the rear wheel , where the noise of spinning stops thats where the break in drive will be , fixing it may be a whole diferent matter but hope its just simple like clutch adjustment, ( to tight holding basket open )

Anonymous

  • 4565 Answers
  • Posted on May 18, 2010

SOURCE: i have a 2001 harley davidson 1200 sportster. while riding it,it

Sounds like you've broken a final drive belt. Look at the pulley on the rear wheel and see if the large final drive belt is there. Don't laugh, I've seen it before. When the final drive belt breaks, it simply runs itself out on the road and the rider never knows it until he stops somewhere. When he tries to take off, the bike won't go anywhere. If this isn't it, contact me at directly at wd4ity at bellsouth.net

Good luck
Steve

Anonymous

  • 4565 Answers
  • Posted on Jul 05, 2010

SOURCE: 80 harley flh acts like its stuck in neutral but

Have you checked the front final drive chain sprocket. These sprockets are quite often neglected since they are so difficult to get to. You must pull the inner prirmary to get to it. The old four speed transmission is a tough ****** and I don't recall ever seeing one fail unless it was run with no oil. Check your final drive chain. Shine a flashlight behind the inner primary and check the teeth on front sprocket.

Testimonial: "Thanks for the reply, I pulled the primary sproket, (book said to use wheel puller if necessary and it was) main shaft is splined but sprocket is not?"

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Humming noise coming from transmission when its in neutral. push the clutch in and it stops. suppose to be a new clutch also it runs great but if you lift the rear end off the ground the wheels will s

A noise in neutral that goes when the clutch is disengaged indicates a front input shaft bearing in the gear box . When the clutch is out that shaft is spinning along with the cluster shaft in the gear box. When the clutch is in that shaft stops (to engage first gear) and the bearing is no longer working.. It normally means a box out job.
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Transmission ?

My first guess is that the gears are engaging, but if it's the original 12 year old clutch, it might not be grabbing.
Pull primary cover, put into first and try to pull forward while someone is watching clutch to see if it's locking up ok.
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Im pretty sure the vehicle has a bad throw out bearing. That's what's making the noise when you depress the clutch. It would need to be replaced, along with the clutch disc, and pressure plate.
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sounds like a bad throw out bearing you have to take the tranny out to replace it.
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Grind at 19 mph in primary

I would think that if the noise was being made by your transmission, it would start whenever you put the transmission in second gear and continue until you shifted to another gear, not at 19 mph only.

This sounds like a vibration that is specific to the engine rpm at that speed. It may sound like a grind but may actually be a vibration noise. Try to recreate the noise with the bike sitting still in neutral. Be careful not to allow the engine to overheat though.

Try other things to help you narrow down the source of the sound. When it starts, gently touch the brakes while maintaining the speed to try to eliminate the brakes. Does the noise change if you accellerated slightly or back off the throttle slightly.

It's very unusual for a transmission to make a noise in only one gear. I've found that if a transmission is making a noise, it makes the noise all the time but maybe louder at some speeds than others.

Good Luck
Steve
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