Front brake help needed


Information and questions on GL1000 Goldwings (1975-1979)
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Leveled
Posts: 15
Joined: Fri Jun 21, 2013 12:40 pm
Location: Monroe, North Carolina
Motorcycle: 1979 GL1000

Front brake help needed

Post by Leveled »



Hi everyone,
I hope you can help me because I'm at my wits end. I'm no mechanic but I can usually get by alright. I'm stumped now though.

I realized that my front brakes were in pretty terrible shape (right pads had not worn at all and left were about used up). I disassembled the calipers and cleaned, rebuilt them using this kit:
* caliper kit
https://www.ebay.com/itm/1979-HONDA-GL1 ... 2749.l2649).

I replaced the worn and cracked brake lines with these:
* brake lines
https://www.ebay.com/itm/HONDA-1979-GL- ... 2749.l2649)

Note: The bolts that came with the line kit didn't match the original ones so I reverted back to the originals after hours of unsuccessful bleeding.

The master cylinder had 2 stripped screws so I replaced it with this one:
* master cylinder
https://www.ebay.com/itm/7-8-Brake-Mast ... 2749.l2649

Just to round out my inventory, here are the pads I used:
* pads
https://www.ebay.com/itm/Barracuda-Brak ... 2749.l2649

As noted above under the brake lines, I've been bleeding them for hours. I feel pretty good that there's no air in the lines, no bubbles for long periods of pumping. However, I have zero compression. The calipers haven't budged. I pulled the left side back off and lubed & reinserted the old, cleaned up piston just to test that. Same result. The pistons are tight on both calipers but they went into the bore pretty well. I had to use compressed air to get them out though.

I've also cleaned the joining assembly (I think that's what it's called). .. Where the master cylinder line breaks off to the left and right calipers. I don't see any leaks or anyplace air could be getting in.

Any ideas will be super appreciated. I'm completely stumped. Thanks in advance for your wisdom!


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winguyjo
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Re: Front brake help needed

Post by winguyjo »

i would squeeze the brake lever and tie it to the handgrip and leave overnight. a lot of people, including myself, have had good success with getting air out of the system this way.
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Leveled
Posts: 15
Joined: Fri Jun 21, 2013 12:40 pm
Location: Monroe, North Carolina
Motorcycle: 1979 GL1000

Re: Front brake help needed

Post by Leveled »

Thanks for the tip winguyjo. Did you leave the bleeder valve open or let it bubble out of the master cylinder?
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winguyjo
Posts: 454
Joined: Sat Aug 11, 2018 9:26 pm
Location: b.c. Canada
Motorcycle: wing1 : 1982 gl1100 interstate; resurrection complete. SOLD
wing2 : 1980 gl1100 interstate; resurrection complete. SOLD.
wing3 : 81gl1100i frame/82gl1100a engine/81cb900 bits. resurrection complete. naked. SOLD.
wing4 : 1977 gl1000 black w/ blue pinstripes; resurrection complete. SOLD
wing5 : 1977 gl1000 black w/gold pinstripes; nearly roadworthy when purchased, NOW RIDING.
wing6 : 1975 gl1000 blue; SOLD

Re: Front brake help needed

Post by winguyjo »

leave bleeder closed . air will rise.
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WingAdmin
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Re: Front brake help needed

Post by WingAdmin »

Just a suggestion, I would never trust something as critical as brakes with replacement parts from Saber Cycle. Their parts are well known for being inferior junk.

EBC makes pads for the 1979 GL1000, that's probably what I would go with.
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Leveled
Posts: 15
Joined: Fri Jun 21, 2013 12:40 pm
Location: Monroe, North Carolina
Motorcycle: 1979 GL1000

Re: Front brake help needed

Post by Leveled »

Thanks WingAdmin. I think you're right. The pads are super thin compared to the unworn set that I took off the bike. I'll be taking your advice.
robdot1964@gmail.com
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Joined: Fri Apr 30, 2021 12:24 pm
Location: Canada
Motorcycle: 1979 Honda GL 1000

Re: Front brake help needed

Post by robdot1964@gmail.com »

I've had similar problems. I purchased a new master cylinder for around $50 on Amazon and now my brakes work perfectly.

https://www.amazon.ca/gp/product/B013B3 ... UTF8&psc=1
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Leveled
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Joined: Fri Jun 21, 2013 12:40 pm
Location: Monroe, North Carolina
Motorcycle: 1979 GL1000

Re: Front brake help needed

Post by Leveled »

robdot1964@gmail.com wrote: Fri Apr 30, 2021 12:41 pm I've had similar problems. I purchased a new master cylinder for around $50 on Amazon and now my brakes work perfectly.

https://www.amazon.ca/gp/product/B013B3 ... UTF8&psc=1
Absolutely nailed it. The Master Cylinder that I'd originally purchased was either defective or just too puny to work. I installed one from TC Bros, https://www.tcbroschoppers.com/ & that did the trick. I was immediately able to build pressure.


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