1997 GL1500 SE Weird clutch noise when clutch released


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AndyFromWI
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1997 GL1500 SE Weird clutch noise when clutch released

Post by AndyFromWI » Sun Apr 22, 2018 7:14 am



Took a 120 mile ride yesterday, temps finally up in the 40's and I noticed a strange sound that changes when I apply a few degrees of clutch.

The sound goes away when the clutch is slightly applied, and returns when the clutch is fully released.

With about 2% of clutch applied, the sound turns to a high pitch whine, at 4% the sound goes away, at 0% it sounds like wind through a car window.


There are 56K miles on the bike.

[youtube]

[/YouTube]

Here is a 1 minute video, you can hear the sound, and also notice my amazing camera work... HA.

Note: I am a bit low on fluid for the clutch, I plan on bleeding the clutch later in the week.

Any suggestions would be appreciated.

Thanks
-andy



DaveO430
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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by DaveO430 » Sun Apr 22, 2018 8:42 am

Maybe the release bearing.

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lamasue
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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by lamasue » Mon Apr 23, 2018 3:36 pm

Whens the last time you changed clutch fluid

DaveO430
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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by DaveO430 » Mon Apr 23, 2018 5:52 pm

lamasue wrote:
Mon Apr 23, 2018 3:36 pm
Whens the last time you changed clutch fluid
How would that cause a noise?

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lamasue
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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by lamasue » Mon Apr 23, 2018 6:00 pm

I dont know could be not engaging right away

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WvChamp
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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by WvChamp » Tue Apr 24, 2018 11:50 am

Hey Andy,
If we were talking about a Car/Truck I would say you have a throw out bearing bad.
Being it's Bikes...I'm still gonna say Throw out bearing...but by the diagram....it's not quite the exact setup. At least it's not Named the same.
Item #23 in the diagram link below is what I believe to be where your noise is generating.
But...Someone with more experience with the wings will chime in hopefully.
https://www.bikebandit.com/oem-parts/19 ... 3#sch44865
Hope this helps.
Champ

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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by DaveO430 » Tue Apr 24, 2018 4:34 pm

WvChamp wrote:
Tue Apr 24, 2018 11:50 am
Hey Andy,
If we were talking about a Car/Truck I would say you have a throw out bearing bad.
Being it's Bikes...I'm still gonna say Throw out bearing...but by the diagram....it's not quite the exact setup. At least it's not Named the same.
Item #23 in the diagram link below is what I believe to be where your noise is generating.
But...Someone with more experience with the wings will chime in hopefully.
https://www.bikebandit.com/oem-parts/19 ... 3#sch44865
Hope this helps.
Champ
Yes, that is the "lifter bearing" I think they call it, has pretty much the same job as a throw out bearing.

AndyFromWI
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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by AndyFromWI » Wed Apr 25, 2018 6:58 pm

I was thinking it might be the lifter bearing as well........

This after noon I removed the slave cylinder, only I then realize I need to keep the hydraulic line attached to first expand the slave cylinder..., so re-attach, bleed, expand the cylinder... disconnect....

The slave cylinder was pretty nasty, and the joining surface on the clutch plate was nasty as well. I cleaned up the exposed area on the clutch plate. Pulled apart the slave cylinder, cleaned up up, put it all back together, bleed the clutch line..... No more noise.


Here was the nasty mating surface of the Clutch Plate



This was the Slave Cylinder



My guess is something was getting caught between the clutch lifter rod and something else...

Hopefully, this will take car of the issue, I only put on a couple of miles, but it is noise free, and the clutch works great.

Thanks for all the suggestions.
If the problem come back I will re-post and we will take it from there.

-andy

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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by WingAdmin » Thu Apr 26, 2018 10:52 am

That nastiness you're seeing is brake fluid. It's leaking out of the slave cylinder. Cleaning it up and putting it back on isn't going to fix it, because it's going to continue leaking. You're going to need to rebuild the slave cylinder to fix it. It's not a hard job, and you're already halfway there pulling the thing off.

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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by AndyFromWI » Thu Apr 26, 2018 11:32 am

I was wondering if that was the issue.
Now that I know how to pull this apart I will get the rebuild kit and go for it.
I appreciate the advise....

Thanks
-andy

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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by Ralf_CT » Tue May 01, 2018 7:06 am

WvChamp wrote:
Tue Apr 24, 2018 11:50 am
Item #23 in the diagram link below is what I believe to be where your noise is generating.
https://www.bikebandit.com/oem-parts/19 ... 3#sch44865
I'm inclined to agree with you, that squealing definitely sounds like a dry "#23".
Ex GL1100 Interstate rider. Aspiring GL1500/1800 rider.

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Stew
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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by Stew » Tue May 01, 2018 9:29 am

Can you get to that bearing just by removing the slave cylinder?
Winging it every chance I get 8-)

19,119 miles when I got it from dad Oct 15, 2017 --- 21,617 miles and counting as of May 17, 2018!

Ralf_CT
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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by Ralf_CT » Tue May 01, 2018 10:15 am

Stew wrote:
Tue May 01, 2018 9:29 am
Can you get to that bearing just by removing the slave cylinder?
Haven't done this job before, but according to this it's straightforward: http://www.goldwingfacts.com/forums/2-g ... aring.html
Ex GL1100 Interstate rider. Aspiring GL1500/1800 rider.

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Stew
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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by Stew » Tue May 01, 2018 11:17 am

Doesn't sound terribly difficult. Reason I'm curious is mine is also a little noisy when the clutch is released but quiets down when you pull it in. So am I understanding the parts diagram correctly that part 2 (and the stuff attached) is the part that spins down to a stop when the clutch is pulled in, and part 1 is connected to the transmission? For that bearing 23 to be the culprit that's how things would need to be connected, right?
Winging it every chance I get 8-)

19,119 miles when I got it from dad Oct 15, 2017 --- 21,617 miles and counting as of May 17, 2018!

Ralf_CT
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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by Ralf_CT » Tue May 01, 2018 11:29 am

Stew wrote:
Tue May 01, 2018 11:17 am
Doesn't sound terribly difficult. Reason I'm curious is mine is also a little noisy when the clutch is released but quiets down when you pull it in. So am I understanding the parts diagram correctly that part 2 (and the stuff attached) is the part that spins down to a stop when the clutch is pulled in, and part 1 is connected to the transmission? For that bearing 23 to be the culprit that's how things would need to be connected, right?
Stew, this should answer your questions:

Ex GL1100 Interstate rider. Aspiring GL1500/1800 rider.

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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by bellboy40 » Tue May 01, 2018 12:48 pm

Stew wrote:
Tue May 01, 2018 11:17 am
Doesn't sound terribly difficult. Reason I'm curious is mine is also a little noisy when the clutch is released but quiets down when you pull it in. snip....
All the GL1500s I have been around sound like that. Noisy when idling in neutral with clutch out and quiets down when you pull the clutch in. I don't know what causes that but it doesn't seem to hurt anything.

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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by DaveO430 » Tue May 01, 2018 5:48 pm

bellboy40 wrote:
Tue May 01, 2018 12:48 pm
Stew wrote:
Tue May 01, 2018 11:17 am
Doesn't sound terribly difficult. Reason I'm curious is mine is also a little noisy when the clutch is released but quiets down when you pull it in. snip....
All the GL1500s I have been around sound like that. Noisy when idling in neutral with clutch out and quiets down when you pull the clutch in. I don't know what causes that but it doesn't seem to hurt anything.
It's the gears in the trans spinning, they stop when you pull in the clutch. The bearing, #23 doesn't do anything until you pull in the clutch.

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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by thompsoj22 » Tue May 01, 2018 6:29 pm

DaveO430 wrote:
Tue May 01, 2018 5:48 pm
bellboy40 wrote:
Tue May 01, 2018 12:48 pm
Stew wrote:
Tue May 01, 2018 11:17 am
Doesn't sound terribly difficult. Reason I'm curious is mine is also a little noisy when the clutch is released but quiets down when you pull it in. snip....
All the GL1500s I have been around sound like that. Noisy when idling in neutral with clutch out and quiets down when you pull the clutch in. I don't know what causes that but it doesn't seem to hurt anything.
It's the gears in the trans spinning, they stop when you pull in the clutch. The bearing, #23 doesn't do anything until you pull in the clutch.
Wow! thanks for that info, my new to me 96 SE-1500 has that "whirring" sound in neutral with clutch released. I was about to pull the clutch cover to inspect but based upon your info that this sound is to be expected i can relax and simply ride the bike!!!! i did the cam belts and i guess the next PM should be the slave rebuild.

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Stew
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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by Stew » Tue May 01, 2018 6:46 pm

thompsoj22 wrote:
Tue May 01, 2018 6:29 pm
DaveO430 wrote:
Tue May 01, 2018 5:48 pm
bellboy40 wrote:
Tue May 01, 2018 12:48 pm


All the GL1500s I have been around sound like that. Noisy when idling in neutral with clutch out and quiets down when you pull the clutch in. I don't know what causes that but it doesn't seem to hurt anything.
It's the gears in the trans spinning, they stop when you pull in the clutch. The bearing, #23 doesn't do anything until you pull in the clutch.
Wow! thanks for that info, my new to me 96 SE-1500 has that "whirring" sound in neutral with clutch released. I was about to pull the clutch cover to inspect but based upon your info that this sound is to be expected i can relax and simply ride the bike!!!! i did the cam belts and i guess the next PM should be the slave rebuild.
I'll relax a little too, mines only got 20k miles which seemed on the low side to have a clutch or trans bearing issue. Thanks!
Winging it every chance I get 8-)

19,119 miles when I got it from dad Oct 15, 2017 --- 21,617 miles and counting as of May 17, 2018!

AndyFromWI
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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by AndyFromWI » Tue May 01, 2018 7:00 pm

It is interesting to that a bunch of you have posted to hearing similar sounds when the clutch is not engaged.

When I removed my slave cylinder and tried to clean up everything the best I could. I spent some time trying to clean up the bearing in question #23


It was not able to remove the bearing with the Clutch Cover installed, but I was able to take a paper towel moistened with some brake fluid and try to clean out the cavity where the bearing #23 and the plate clutch lifter #9 reside. There was gunk on the bearing and I think clean up the gunk was what fixed the sound issue.

This makes sense to me because the bearing could have been dragging with no pressure from #15 the clutch rod lifter on it, and once there was a little pressure, it might have changed the dynamics and no more drag/noise. This also explains why the frequency of the noise changed as pressure was applied from the clutch rod lifter.

Bottom line, cleaning up the area and the bearing and area removed the noise issue for me.
I do not think you will not be able to remove the bearing unless you remove the clutch plate.

I have put on about 400 miles since cleaning up the bearing, still no noise.

I do plan on rebuilding the slave cylinder, if it leaked before, it will leak again.
I will update this post after I rebuild and re-inspect the #23 bearing.
-andy

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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by DaveO430 » Tue May 01, 2018 9:06 pm

AndyFromWI wrote:
Tue May 01, 2018 7:00 pm
It is interesting to that a bunch of you have posted to hearing similar sounds when the clutch is not engaged.

When I removed my slave cylinder and tried to clean up everything the best I could. I spent some time trying to clean up the bearing in question #23
bearing.JPG

It was not able to remove the bearing with the Clutch Cover installed, but I was able to take a paper towel moistened with some brake fluid and try to clean out the cavity where the bearing #23 and the plate clutch lifter #9 reside. There was gunk on the bearing and I think clean up the gunk was what fixed the sound issue.

This makes sense to me because the bearing could have been dragging with no pressure from #15 the clutch rod lifter on it, and once there was a little pressure, it might have changed the dynamics and no more drag/noise. This also explains why the frequency of the noise changed as pressure was applied from the clutch rod lifter.

Bottom line, cleaning up the area and the bearing and area removed the noise issue for me.
I do not think you will not be able to remove the bearing unless you remove the clutch plate.

I have put on about 400 miles since cleaning up the bearing, still no noise.

I do plan on rebuilding the slave cylinder, if it leaked before, it will leak again.
I will update this post after I rebuild and re-inspect the #23 bearing.
-andy
There is no possible way you can get to that bearing without removing the clutch cover. What you were cleaning was the seal in the cover (not shown in the picture).

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Re: 1997 GL1500 SE Weird clutch noise when clutch released

Post by AndyFromWI » Wed May 02, 2018 5:19 am

Thanks for the correction.
Then I cleaned the seal, an there was still something causing the friction/noise.
I also cleaned the clutch lifter rod.
-andy



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