Anti dive device seals are shot.

Information and questions on GL1100 Goldwings (1980-1983)
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Posts: 165
Joined: Sun Oct 13, 2013 10:38 am
Location: Mooresville, North Carolina
Motorcycle: 1983 GL1100 Interstate

Anti dive device seals are shot.

Post by velvetrider »

The rubber seals are shot, torn apart ie. I just replaced starter, Had to get new front tire. It is on the rim ready to instal. Then "YIKES",, the rubber seal,on the 'anti dive device ' on the inside of right fork is toast. I have never messed with it, other then making sure the #s match on the adjustment.. Now I find this inner seal has basically fallen apart. I have the service manual and understand how it is supposed to work.
I am just very reluctant to go deeper into it. Does anyone have experience dealing with this device? I can not find replacements for theses " Slider seals" . ???

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bruce swaybill
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1983 honda gl1100i interstate
2009 triumph bonneville t100

Re: Anti dive device seals are shot.

Post by bruce swaybill »

I rebuilt my forks a few years ago and all the seals, bushings and rubber parts were available through my Honda dealer. Many were used for many years and models. Many have also been superseded with improved designs and new part numbers. This can make finding the parts with the original part numbers a challenge. A lot of third party vendors do not have the later info - the Honda dealer will.
I would remove the forks from the bike as there are a few small parts that face downward when in place on the bike. Also you’ll need to drain the oil, that’s easier to drain and refill off the bike. Not that you need more to do, but while you have the caps off and the springs out for the oil change, replace them with Progressive Suspension springs. You won’t regret that.
Read the how-to articles before you start!
Good luck!
Bruce S.
Have a nice day! :)
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Motorcycle: 1983 GL1100 Aspencade
2007 Yamaha FZ1
1992 Yamaha FZR1000
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2004 CRF80F

Re: Anti dive device seals are shot.

Post by Sig45227 »

I just took mine a part today while cleaning the forks. The piston on the exterior of the fork on the anti dive device has rubber seals that really do not fare well with brake cleaner. I honestly think you shouldn't use brake cleaner on any of this stuff because the rubber is so old it just completely swells up and falls apart. Maybe something like turpentine would be better?
Who knows.

They don't sell the anti dive seals in my area as separate pieces they want to sell you the entire Auntie dive unit which is around a hundred to $120 per side.
There's really not much inside of there just don't start pulling stuff off and not keep track of what's going on. There is a small spring and a check ball on the very lowest Phillips head screw. The 10 mm screw port on the back, I'm not sure what that is for besides access and cleaning.
Just make sure you don't damage the crush washers when you reassemble.

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