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I have an 83Gl1100 that I purchased 2 years ago. It needed a little work to get it on the road. Blinkers, horn both inoperable, fork seals leaking badly. I replaced the Flasher with a $3.00 one from the auto parts rather than the $42.00 one quoted by the local Honda parts house.I also bought the horn there and saved a bunch of money. I got the fork seals at J.C. Whitney and replaced those myself. My problem is the left front brake caliperhas started to stick very badly. I can barely move the bike backwardswithsomeone elsepushing it. I know my wing has the integrated brakes for the right front disk working with the leftrear disk. The hand lever works the left front side disk only.I figure it is probably time to replace all brake pads anyway, since it is getting a little slow at bringing it toa stop,so I will probably be doing this very soon. I really need to know how to tell if the caliper is going to need replacing also and what is causingit tostick???



Thanks

Grumpyone
 

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It's pretty common for the brakes on these bikes to be full of junk from previous owners not changing the brake fluid every year or two. The pistons get stuck.

Mine had the same problem. I took the calipers apart, cleaned them and put it all back together. New seals and rubber parts are recommended, but I've re-used old seals that were in good shape. I'm not recommending that you use the old seals, but telling you what I've done in the past with good results.

The hardest part will be removing the stuck pistons. One method that sometimes works is to leave the banjo fitting connected to the caliper after removing it from the rotor and pumping the brakes until the pistons are loose enough to remove either by hand orvise gripsthat are loosly clamped with a piece of rubber protecting the piston. You'll have to do both brakes at the same time because once one piston is out there will be no more pressure to push the rest out.
 

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Take a good look at the pads, if one is worn much more than the other your caliper is frozen. The caliper must be free to move from side to side to align with the rotor, if it's frozen only the piston side pad will work and it will very likely drag. Verify that the sleeve over the caliper mounting bolt is free to slide back and forth in the caliper body.
 

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Whether its a seized piston or pivot bolt, you'll have to pull the calliper anyway. I'd be inclined to bet on a stuck piston as its the most common cause of this problem.
 

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Well I pulled the caliper and cleaned up the pistons. I was able to move them with the brake lever. While I had it off I used some brake parts cleaner and a soft rag to clean all of the dirt from the pistons. I didn't remove tham completely just pushed them out far enough to clean all the junk off for now.The pads are worn, one more than the other,and look terrible. I reassembled it and it is working now without sticking. I have ordered new pads for all 3 calipers. When they come in I will pull it back off and do a better job of cleaning and see about the rebuild kits.For now I'll be stuck riding my 91 Intruder.
Thanks for all the help-- Grumpyone
 

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Grumpyone wrote:
The pads are worn, one more than the other,and look terrible. .
Thanks for all the help-- Grumpyone
If the difference in the pads thickness is about two to one it's very likely the mounting sleeves are stuck in the caliper and need to be freed.
 
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