GL1100 swing arm lubrication


Information and questions on GL1100 Goldwings (1980-1983)
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GL1100 swing arm lubrication

Postby roadwanderer2 » Thu Jun 25, 2015 3:52 pm



I've gone thru all the "how-to" articles for the GL1100, but i cant find anything on how to lubricate the swing arm on a GL1100. while i have mine on the jack/lift with the rear wheel off, i was wondering how can i go about lubing the swing arm on my bike before i reinstall the back wheel. is there an "easy" way or will i have to remove the swing arm to do it. any comments will be greatly appreciated. i would like to know how to do this because i have no idea if or when the swing arm has been lubed. i haven't lubed it since I've owned it, (2 years this coming august) and i have no idea if or when the PO ever did it either and i would like to be able to do it before i go on my 2500 mile road trip next month.

stuart.



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Re: GL1100 swing arm lubrication

Postby wingman12 » Thu Jun 25, 2015 5:31 pm

Good afternoon roadwanderer2, from what I remember and could find on the swing arms, there are no lube points, they are sealed bearings on each side with not thru shaft. Right side is different from the left side, lock nut is on left side and you install the set screw and torque down (I do not remember the exact MM allen socket size (27mm??) and 75psi torque?? then torque left and put on lock ring.

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Re: GL1100 swing arm lubrication

Postby WingAdmin » Thu Jun 25, 2015 5:49 pm

There are bearings, and they are not sealed. You can remove the pivot pins (best to do one at a time, so the swingarm doesn't drop out, and support it from below), push grease into the bearings, then torque the pins back up.

See: viewtopic.php?t=4638

Swingarm bearing
Swingarm bearing

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Re: GL1100 swing arm lubrication

Postby roadwanderer2 » Thu Jun 25, 2015 6:37 pm

hey wingadmin:

thanks for letting me know about how to do this and the link to the topic. i hope i wont have any "unforeseen" problems with doing this. hopefully the swing arm bearings are ok and i don't have to replace them.

stuart.

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Re: GL1100 swing arm lubrication

Postby sportsfreaked » Thu Jun 25, 2015 8:15 pm

Stuart I would have some new dust seals on hand before you do it. With those dust seals being 30 years old I am sure they will not be in the best of shape. That would be the only issue I could see unless the bearing is dry and tore up the race but lets not think that way :).
Thanks to all who answer and help. It is greatly appreciated!
Ed

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Re: GL1100 swing arm lubrication

Postby sportsfreaked » Thu Jun 25, 2015 8:17 pm

I don't mean to hijack the thread but what exactly does the swing arm do? I remember having to put a board between it and the frame when I put on tires but I don't know what it does. Can some one educate me on it. Thanks Ed.
Thanks to all who answer and help. It is greatly appreciated!
Ed

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Re: GL1100 swing arm lubrication

Postby WingAdmin » Thu Jun 25, 2015 9:22 pm

sportsfreaked wrote:Stuart I would have some new dust seals on hand before you do it. With those dust seals being 30 years old I am sure they will not be in the best of shape. That would be the only issue I could see unless the bearing is dry and tore up the race but lets not think that way :).


The bearing doesn't need to be removed. I just pulled the pivot pin out, globbed grease on the end of my finger, stuck it in the hole, and pushed it into the bearing. The dust seals and bearings never moved.

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Re: GL1100 swing arm lubrication

Postby WingAdmin » Thu Jun 25, 2015 9:29 pm

sportsfreaked wrote:I don't mean to hijack the thread but what exactly does the swing arm do? I remember having to put a board between it and the frame when I put on tires but I don't know what it does. Can some one educate me on it. Thanks Ed.


The swingarm is the pivot that allows the rear wheel to "swing" up and down.



It has two pins that insert into the center of bearings inside the swingarm, that is on the right side of the picture above. This is the pivot of the swingarm, where it rotates around.

The driveshaft goes through the swingarm on the right side (the bottom in the picture above). The final drive bolts onto the end of the swingarm on the right side, seen at the bottom left. The driveshaft hooks into that final drive and that's what turns the wheel.

The left side of the swingarm (on the top in the picture above) is where the left side of the rear wheel axle goes through, there is a pinch bolt that holds it in place. The right side of the rear wheel axle is bolted in place on the final drive.

The left shock absorber bolts into the tabs visible on the top of the picture above. The right shock absorber bolts onto the final drive.

Here's an exploded view:



The GL1800 is different in that it has a single-sided swingarm. Instead of supporting the rear wheel from both sides, it supports it from one side only. This makes it VERY much easier to remove the wheel to change the tire or do other service:


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Re: GL1100 swing arm lubrication

Postby roadwanderer2 » Fri Jun 26, 2015 7:07 am

WingAdmin wrote:
sportsfreaked wrote:Stuart I would have some new dust seals on hand before you do it. With those dust seals being 30 years old I am sure they will not be in the best of shape. That would be the only issue I could see unless the bearing is dry and tore up the race but lets not think that way :).


The bearing doesn't need to be removed. I just pulled the pivot pin out, globbed grease on the end of my finger, stuck it in the hole, and pushed it into the bearing. The dust seals and bearings never moved.


the only reason im asking about this is that once in a while when i get off my bike, i hear a "squeaking" sound, kind of like a door being closed very slowly. sounds like its coming from the right side. im thinking that the bearings are dry and in need of greasing. my new wheel should be here some time today so i have to get these bearings greased before i reassemble it.

stuart.

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Re: GL1100 swing arm lubrication

Postby roadwanderer2 » Fri Jun 26, 2015 8:22 am

WingAdmin wrote:
sportsfreaked wrote:I don't mean to hijack the thread but what exactly does the swing arm do? I remember having to put a board between it and the frame when I put on tires but I don't know what it does. Can some one educate me on it. Thanks Ed.


The swingarm is the pivot that allows the rear wheel to "swing" up and down.

It has two pins that insert into the center of bearings inside the swingarm, that is on the right side of the picture above. This is the pivot of the swingarm, where it rotates around.

The driveshaft goes through the swingarm on the right side (the bottom in the picture above). The final drive bolts onto the end of the swingarm on the right side, seen at the bottom left. The driveshaft hooks into that final drive and that's what turns the wheel.

The left side of the swingarm (on the top in the picture above) is where the left side of the rear wheel axle goes through, there is a pinch bolt that holds it in place. The right side of the rear wheel axle is bolted in place on the final drive.

The left shock absorber bolts into the tabs visible on the top of the picture above. The right shock absorber bolts onto the final drive.


ok, so i removed the swing arm caps from the swing arm and there's a 19mm nut on the right side and the left side has a hex bolt. i cant break them loose. do i have to remove both of these to get to the bearings to be able to grease them? they are both extremely tight. how far into the swing arm are the bearings? on the right side i would have to use my 1/2 drive impact gun, and on the left side, i have no way to remove it. can i force some grease into the swing arm ends and would the grease reach the bearings? other than that, i have no way to get to these bearings.

stuart.

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Re: GL1100 swing arm lubrication

Postby wingman12 » Fri Jun 26, 2015 8:56 am

Good morning Stuart. It sounds like you are looking at #12 item on wing admin exploded view of the swing arm and parts. This is the pin that gets re torqued to 72 lbs

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Re: GL1100 swing arm lubrication

Postby roadwanderer2 » Fri Jun 26, 2015 9:55 am

wingman12 wrote:Good morning Stuart. It sounds like you are looking at #12 item on wing admin exploded view of the swing arm and parts. This is the pin that gets re torqued to 72 lbs


'morning wingman, yes, im looking at #12 on the right side and #13 on the left side. do both of these parts have to be removed to get to the bearings? from what i can see, behind those parts are the dust seals, then the bearings. i cant get to them without damaging the dust seals. ya know, Honda should have put grease fittings into the swing arm so the bearings could be lubed externally without having to take the entire swing arm off to do it. that would have made things much easer. i think im gonna leave them alone. i don't want to "open up a can of worms" so to speak. my luck would be, if i took it apart, id have to replace everything at the minimum the dust seals, and at this point, im not going to do that. i cant break the "pins" loose to begin with.

stuart.

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Re: GL1100 swing arm lubrication

Postby WingAdmin » Fri Jun 26, 2015 10:09 am

The two pivot pins look like this:



The part where the bearings are is where the smooth part is, so that gives you an idea how far in it is.

This is the right side, and can be removed with a simple socket:



This is the left side:



Here's a better look:



You can see on the left side, the pin itself is screwed into place using a hex wrench, and there is then a slotted lock ring that works as a jam nut to prevent it from backing out. You have to first loosen this lock ring before you can remove this pivot pin. You'll need a special socket to remove that lock ring, I made my own by grinding down a cheap socket to fit:

Image

Some people have modified one to make an offset tool, which would work better:

Homemade tool
Homemade tool

Homemade tool back
Homemade tool back


When replacing the pivot bolts, the right side is torqued to 72 ft-lb (yes, it's VERY tight).

On the left side, you torque the inner pin (with the hex head) to 13 ft-lb. Any tighter and you will bind up the bearings and cause an early failure.

Once you have torqued the inner pin, you torque the outer lock ring to 72 ft-lb. Here's the trick: You cannot allow the inner pin to rotate when torquing the lock ring, or else it will again bind up the bearings. So this is the purpose of the special tool: You can put the hex wrench THROUGH the tool to hold the inner pin in place and keep it from rotating at the same time as you torque the outer lock ring.

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Re: GL1100 swing arm lubrication

Postby spiralout » Fri Jun 26, 2015 10:42 am

Thanks WA, very nice explanation.

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Re: GL1100 swing arm lubrication

Postby roadwanderer2 » Fri Jun 26, 2015 11:05 am

yes, it seems pretty simple, but this one bolt is SO tight, im not sure if i can break it loose. as for the left side, i'll have to go out and purchase a hex wrench big enough to fit it as i don't have one here. im sure in the 32 years these bearings were never removed to be either replaced or greased. i only hope that if and when i can get to them they aren't already disintegrated or worn to the point to where i have to replace them along with the dust seals. if i cant get the pin bolts loose, they are gonna have to wait until i get back from my road trip. I've had enough problems already and i don't want to risk anymore. right now i can only assume they are still ok, but i'll keep my "ears" open on them.

if i can get the bolts loose, i'll let you know what i find once they are out of the swing arm.

stuart.

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Re: GL1100 swing arm lubrication

Postby wingman12 » Fri Jun 26, 2015 11:20 am

apply liquid wrench or equivalent to the area and then go shopping for your parts, you might even want to heat up the area with a heat gun or hair dryer to make the metal expand and contract a little to let the lubricant sink in, I would not use a torch or flame because you do not want to damage the paint in that area. I would think that if you are having those issues you will more than likely not enjoy yourself as much because you will be worrying about it on your trip. I know I would not sleep or ride well wondering if it was going to breakdown on me in the middle of nowhere USA. But that is just the way I am. :D :D

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Re: GL1100 swing arm lubrication

Postby roadwanderer2 » Fri Jun 26, 2015 11:30 am

wingman12 wrote:apply liquid wrench or equivalent to the area and then go shopping for your parts, you might even want to heat up the area with a heat gun or hair dryer to make the metal expand and contract a little to let the lubricant sink in, I would not use a torch or flame because you do not want to damage the paint in that area. I would think that if you are having those issues you will more than likely not enjoy yourself as much because you will be worrying about it on your trip. I know I would not sleep or ride well wondering if it was going to breakdown on me in the middle of nowhere USA. But that is just the way I am. :D :D


i guess i could use some PB Blaster to get them unfrozen to be able to remove them. let me see what i can do, but your right in a way, I've gone this far with it, might as well keep going and pray the bearings are still in good shape once i can get to them. i have a 36" breaker bar that i might be able to use.

stuart.

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Re: GL1100 swing arm lubrication

Postby wingman12 » Fri Jun 26, 2015 11:41 am

PB blaster is good stuff, just do not jump up and down on your breaker bar :lol: :lol: :lol:

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Re: GL1100 swing arm lubrication

Postby roadwanderer2 » Fri Jun 26, 2015 12:16 pm

wingman12 wrote:PB blaster is good stuff, just do not jump up and down on your breaker bar :lol: :lol: :lol:



well, i just tried to use my breaker bar and it wont budge the bolt, so im gonna have to go out and buy a 19mm 1/2 drive socket so i can use my impact gun to break it loose with.

my wheel should be here today, so when it gets here, im gonna put my tire on it and start putting the bike back together. i should be able to get to the swing arm bolts after i get everything else back on.

stuart.

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Re: GL1100 swing arm lubrication

Postby spiralout » Fri Jun 26, 2015 12:36 pm

roadwanderer2 wrote:well, i just tried to use my breaker bar and it wont budge the bolt, so im gonna have to go out and buy a 19mm 1/2 drive socket so i can use my impact gun to break it loose with


How long is your breaker? If you were using a 3/8 drive 19mm socket on it, I've always called that a "pull handle" because that's what my grandfather called them. He called his big 1/2 drive ones "breaker bars". I've still got his 40" one that could bust any 19mm socket made :D
Just semantics, I know :lol:

I'd try a piece of pipe on your handle before I'd but a new socket, but hey, I'm poor plus cheap.

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Re: GL1100 swing arm lubrication

Postby sportsfreaked » Fri Jun 26, 2015 12:43 pm

Wing Admin thanks for the explanation on the swing arm. This looks like something I may tackle during the winter on the 1100. Since I'm giving the 1100 to my son I can show him as well. Thanks again Ed
Thanks to all who answer and help. It is greatly appreciated!
Ed

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Re: GL1100 swing arm lubrication

Postby wingman12 » Fri Jun 26, 2015 12:49 pm

roadwanderer2, just for grins did you try tightening that bolt, sometimes that will break it loose and then you can back it out??

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Re: GL1100 swing arm lubrication

Postby roadwanderer2 » Fri Jun 26, 2015 1:27 pm

wingman this freakin bolt is so tight, it broke the end piece off my 36" breaker bar. the only way im gonna get it loose is getting a 1/2 drive 19mm socket and an impact gun, and im not gonna do it today. right now in my garage its 115 degrees, air temp outside is 92* and im sweating to death. the sweat is running down my farhead and into my eyes and burning my eyes to the point where i cant see what im doing. im done for the day guys. im not gonna risk having heat stroke or a heart attack over some stupid bolt. when my wheel gets here today its gonna have to wait until tomorrow morning when its cooler.

stuart.

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Re: GL1100 swing arm lubrication

Postby wingman12 » Fri Jun 26, 2015 1:37 pm

roadwanderer2, well the only consolation is that you don't have to worry about the swing arm falling out :lol: :lol: :lol: . sounds like time for a few adult beverages under a fan sitting infront of the air conditioner vent. If a small hammer does not work, get a sledge hammer. Good luck and take a break til night fall or tomorrow morning.

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Re: GL1100 swing arm lubrication

Postby roadwanderer2 » Fri Jun 26, 2015 1:42 pm

wingman12 wrote:roadwanderer2, well the only consolation is that you don't have to worry about the swing arm falling out :lol: :lol: :lol: . sounds like time for a few adult beverages under a fan sitting infront of the air conditioner vent. If a small hammer does not work, get a sledge hammer. Good luck and take a break til night fall or tomorrow morning.


i don't think this swing arm is going anywhere as tight as it is, and as for an adult beverage is concerned, im inside sitting in front of my a/c vent sipping on a nice cold dry vodka martini with 2 olives in it lol. i'll worry about the rest tomorrow.

stuart.




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