Problems replacing front brake pads-'77 GL1000


Information and questions on GL1000 Goldwings (1975-1979)
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ccmonson
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Joined: Tue Jun 11, 2013 4:13 pm
Location: Austin, TX
Motorcycle: 1977 GL1000 Goldwing

Problems replacing front brake pads-'77 GL1000

Postby ccmonson » Tue Jun 25, 2013 5:23 pm



I'm pretty new to fixing up old bikes, and any help would really be appreciated. I've got a '77 GL1000, and I'm trying to replace the front brake pads. Unfortunately, I couldn't find an article on here (or anywhere) about GL1000 brake pads and am kind of winging it based on articles about other models. I have the caliper off the bike and the bleed screw opened. I've taken out the old brake pads. I'm trying to push the piston back, but I can't get it to move more than about a millimeter for anything. Any thoughts? Any info or redirection to another post on the matter would be really great. Thanks, guys.



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offcenter
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Location: Lake Hopatcong, New Jersey
Motorcycle: 99 Gl-1500 SE
76 GL-1000
77 Honda Trail 90

Re: Problems replacing front brake pads-'77 GL1000

Postby offcenter » Wed Jun 26, 2013 11:24 am

Put one of the old brake pads in the caliper and use it as a flat surface
against the piston. Now take a large "C" clamp and put it around the
caliper and brake pad, using the old brake pad to push the piston
back into the cylinder by tightening the "C" clamp.
George in Jersey.
99 Goldwing GL-1500 SE
76 Goldwing Gl-1000
77 Honda CT-90 "Trail 90"

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portugeezer
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Location: Mchenry, Illinois
Motorcycle: 1976 gl1000
1982 Gl500
1984 Honda Magna V30

Re: Problems replacing front brake pads-'77 GL1000

Postby portugeezer » Fri Jun 28, 2013 6:24 am

I have very large channel locks that I use for this. The C clamp way is common. If it won't move it might be frozen.

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offcenter
Posts: 203
Joined: Sat Sep 22, 2012 2:10 pm
Location: Lake Hopatcong, New Jersey
Motorcycle: 99 Gl-1500 SE
76 GL-1000
77 Honda Trail 90

Re: Problems replacing front brake pads-'77 GL1000

Postby offcenter » Fri Jun 28, 2013 8:11 am

Good Idea! I never thought of that. I've been using the C clamp on all my
disk brake vehicles for years.
George in Jersey.
99 Goldwing GL-1500 SE
76 Goldwing Gl-1000
77 Honda CT-90 "Trail 90"

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Fred Camper
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Location: Metro Detroit, MI
Motorcycle: 1977 GL1000, 1976 LTD GL1000

Re: Problems replacing front brake pads-'77 GL1000

Postby Fred Camper » Fri Jun 28, 2013 9:14 pm

Geezer, I have one of those "mother" of all channel locks and never tried that either. Quicker than a c-clamp if the piston is of normal friction. Appreciate the post.

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spookytooth
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Location: Houghton Lake, Michigan
Motorcycle: 1979 gl1000

Re: Problems replacing front brake pads-'77 GL1000

Postby spookytooth » Sat Jul 13, 2013 10:18 am

Wrap the business end off your channel locks with a bit of duct tape to prevent the teeth from marring your calipers!

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Fred Camper
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Location: Metro Detroit, MI
Motorcycle: 1977 GL1000, 1976 LTD GL1000

Re: Problems replacing front brake pads-'77 GL1000

Postby Fred Camper » Sat Jul 13, 2013 12:01 pm

My son just tried this channel lock method on his mom's Chevy truck during pad replacement. It sure works easier than using a c-clamp. Both ways work, just use what you have. Electrical tape is a good idea for the paint protection.

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jerry8671
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Location: youngstown, oh
Motorcycle: 1980 gl1100 goldwing

Re: Problems replacing front brake pads-'77 GL1000

Postby jerry8671 » Sat Jul 13, 2013 1:55 pm

It could also be a collapsed brake hose. May not see it on the outside of the hose but internally it may be restricting the fluid to flow back like a check valve

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wjnfirearms
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Location: Portersville, Pennsylvania
Motorcycle: 1977 GL1000
1980 KZ750 LTD
2007 H-D XL1200C
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Re: Problems replacing front brake pads-'77 GL1000

Postby wjnfirearms » Sat Jul 13, 2013 4:19 pm

All of the above.

With the bleeders cracked, the pistons should retract. Me thinks you're looking at a caliper rebuild.

Make sure to also thoroughly flush out the master cylinder after you repair the primary problem. I had an issue with my '77 where the front brakes wouldn't retract fully unless I cracked the bleeders. The return hole in the bottom of the master cylinder can and will get clogged with sediment and won't allow the brake to let go. Wiping out the cylinder reservoir and a couple long flushes corrected my issue.


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