Howling noise at 65 to 75 mph


Information and questions on GL1500 Goldwings (1988-2000)
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tlj
Posts: 7
Joined: Sun Jan 19, 2014 7:25 pm
Location: Canon City, Colorado
Motorcycle: 1993 GL1500A, 2002 BMWKLT, 1978BMW R100/7, 1979 BMWR100/7, 1972 Honda 750

Howling noise at 65 to 75 mph

Postby tlj » Sat May 14, 2016 9:08 pm



Has anyone experienced a loud howling noise at between 60 and 75 mph? I have read some posts that mention alternator dampers. When it makes the noise as soon as pull in the clutch and keep the rpms the same the noise goes away. If it was the dampers wouldn't the noise continue? Would that be something in the clutch perhaps? I even saw a post about the u joint being the problem, but I don't think it disengages when the clutch is pulled does it? I even thought an idler pulley but wouldn't the noise still be there with the clutch disengaged? Please help if you can. I'm stumped and don't want to start tearing things apart at the start of the riding season. Just a note, I did have the timing belt replaced about 15000 miles ago. Thanks for any input.



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mrenfro
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Location: Knoxville, Tennessee
Motorcycle: 1990 GL1500SE
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Re: Howling noise at 65 to 75 mph

Postby mrenfro » Sun May 15, 2016 8:24 am

Clutch is bound to have bearings. Does it make the howling noise every time your up to that speed or just sometimes?

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virgilmobile
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Location: Denham Springs,La.
Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: Howling noise at 65 to 75 mph

Postby virgilmobile » Sun May 15, 2016 10:53 am

Just a side note:My 88 had a howling noise around the same speed.Pull the clutch lever and it too would quit.
Strangely enough,the noise was coming from the clutch lever itself.The end ball of the lever had a hole in the boyyim of it.Kinda like blowing across a empty pop bottle. I filled it with silicone.

tlj
Posts: 7
Joined: Sun Jan 19, 2014 7:25 pm
Location: Canon City, Colorado
Motorcycle: 1993 GL1500A, 2002 BMWKLT, 1978BMW R100/7, 1979 BMWR100/7, 1972 Honda 750

Re: Howling noise at 65 to 75 mph

Postby tlj » Sun May 15, 2016 12:08 pm

It does it all the time. And I checked the clutch handle and it doesn't have a hole in it that would whistle. Any ideas?

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FM-USA
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Re: Howling noise at 65 to 75 mph

Postby FM-USA » Sun May 15, 2016 2:58 pm

Noise from front, back or under you? Maybe turn you head or cup an ear to zero in.
Try using a long screwdriver as a stethoscope when it's on the center stand.

JUST a quick few thoughts.
A howling from the front could be the speedo cable or gear going.
Down below, the Alt. rear bearing. Bad rubbers makes the bike sound like it needs a tune-up.
The rear, maybe the inner fender rubbing the tire. Wind pressure does odd things to plastics.
Hope this isn't it, drive line U-Joint. At speed when it happens, play with the throttle.
"OIL CHANGE?" _FM 07-2009
Know its new taste and be loyal, you'll know when to change that oil.
Taste testing as the miles flow, souring as that acid grows.
And don't flirt with dirt or darkened oil, all the faster your engine will spoil.

tlj
Posts: 7
Joined: Sun Jan 19, 2014 7:25 pm
Location: Canon City, Colorado
Motorcycle: 1993 GL1500A, 2002 BMWKLT, 1978BMW R100/7, 1979 BMWR100/7, 1972 Honda 750

Re: Howling noise at 65 to 75 mph

Postby tlj » Sun May 15, 2016 6:51 pm

Thanks for the suggestions. The noise goes away as soon as I pull in the clutch while keeping the rpms steady at around 3000. So doesn't that rule out the alternator as well as the tensioner pully ? With the bike on the center stand and in gear, it doesn't make the noise. I notice the sound disappears at that rpm when it starts to pull a load like going up a hill but then starts again when going down the other side. Still wondering.

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Bluewaterhooker0
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Motorcycle: 1997 Goldwing GL 1500 SE

Re: Howling noise at 65 to 75 mph

Postby Bluewaterhooker0 » Sun May 15, 2016 9:28 pm

Rear tire scalloping ? Mine made more noise under load, either accelerating or slowing down. The higher the load, more noise and vibration. Particularly noticeable in the footpegs on hard braking.
But, I've read on the site that loading also accentuates a bad u-joint.
Pulling the clutch pretty much unloads the drive line from either force, unless you are braking.

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FM-USA
Posts: 1997
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Motorcycle: .
'91 GL1500-I (Dbl-Darkside)
Acquired:__51K_Jun_??/2007
MADE_IT!_200K_Oct_17/2016
iRide 24/365 99% SmileMiles
================
"You don't buy yourself a
HD to be SATISFIED,...
you buy it to keep your
HD friends PACIFIED."
================
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ANTAGONISTS need not post.
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==================

Re: Howling noise at 65 to 75 mph

Postby FM-USA » Sun May 15, 2016 10:43 pm

Sounds like it's getting narrowed down... I hope it's the tire.
ANY CHANCE there's wheel weights missing? (tell tale shadow[s])
"OIL CHANGE?" _FM 07-2009
Know its new taste and be loyal, you'll know when to change that oil.
Taste testing as the miles flow, souring as that acid grows.
And don't flirt with dirt or darkened oil, all the faster your engine will spoil.

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Bluewaterhooker0
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Motorcycle: 1997 Goldwing GL 1500 SE

Re: Howling noise at 65 to 75 mph

Postby Bluewaterhooker0 » Mon May 16, 2016 12:23 am

Tire scalloping is really easy to determine. Just run you finger along the tread while rotating the tire. There will be a distinct uneveness of the tread. Mine was caused by underinflation. After I ran the right pressure for a time, they actually smoothed out again to a very mild scallop, and the noise went away. It was also very noticeable in turns. They would howl or sing in either a right or left turn. But the noise and high frequency vibration upon braking (in the footpegs) was kind of disconcerting. That showed up at about 40-25 mph under braking.

tlj
Posts: 7
Joined: Sun Jan 19, 2014 7:25 pm
Location: Canon City, Colorado
Motorcycle: 1993 GL1500A, 2002 BMWKLT, 1978BMW R100/7, 1979 BMWR100/7, 1972 Honda 750

Re: Howling noise at 65 to 75 mph

Postby tlj » Mon May 16, 2016 9:45 am

I just put new tires on so there is no cupping. It has done this since I bought the bike a couple of years ago and I am on my third set of tires. I think that the u-joint might be the culprit. I saw on the how to articles how to install a new joint, so I think I will take mine apart and install a new one just to see if that does it. It won't hurt to have a new one on there anyway with the new larger boot. The previous owner was always pulling a trailer with two up, and he was a very large guy. This sounds more logical to me as the noise goes away when pulling in the clutch. Thanks for the advise. I will keep you posted as to what I find.

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FM-USA
Posts: 1997
Joined: Wed May 18, 2011 8:40 am
Location: USA-ILL-60085
Motorcycle: .
'91 GL1500-I (Dbl-Darkside)
Acquired:__51K_Jun_??/2007
MADE_IT!_200K_Oct_17/2016
iRide 24/365 99% SmileMiles
================
"You don't buy yourself a
HD to be SATISFIED,...
you buy it to keep your
HD friends PACIFIED."
================
|
ANTAGONISTS need not post.
|
==================

Re: Howling noise at 65 to 75 mph

Postby FM-USA » Mon May 16, 2016 11:02 am

Come to think of it... BEFORE taking it apart, check the swing arm bearings for play.
Highly doubtful, but MAYBE!!

Of course, as parts come off look closely for wear that could be the culprit.

GOOD LUCK

.
"OIL CHANGE?" _FM 07-2009
Know its new taste and be loyal, you'll know when to change that oil.
Taste testing as the miles flow, souring as that acid grows.
And don't flirt with dirt or darkened oil, all the faster your engine will spoil.

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jtornese
Posts: 33
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Location: Pittsburgh, Pennsylvania
Motorcycle: 1993 GL1500 Aspencade

Re: Howling noise at 65 to 75 mph

Postby jtornese » Sat May 21, 2016 9:01 pm

When I bought my used 93 gl1500 it "howled" when riding it. I can't remember if the clutch changed it, but I found out the bike was out of differential fluid.
As soon as I filled it up, the noise went away!




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