Rear brake Pulses


Information and questions on GL1800 Goldwings (2001-2017)
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jist@charter.net
Posts: 2
Joined: Sun Apr 04, 2010 9:00 pm
Location: Dallas, TX
Motorcycle: 1996 Goldwing

Rear brake Pulses

Post by jist@charter.net » Sun Aug 12, 2018 10:48 am



I have a 2013 1800.When the Bike is hot. I mean heat soaked. 100 degrees and above, When I hit the rear brake, The brake pedal pulses or bounces. It doesn't do it every time. It has more to do with ambient temps than brake generated heat. My local Honda dealer is confused about this issue. It is NOT a warped rotor or bad brake pads as they have been replaced with no fix. Now the Dealer has turned in a case with Honda. Honda has responded and says that some Goldwing's just do that and it cant be fixed. LOL It has been doing this since it was new and I have complained about this several times. Now that the bike is out of warranty the local shop has decided that they can just start changing parts. "At my expense" They have many Ideas like changing out the brake fluid $325.Swapping out the proportion valve $185. So far they have suggested parts and labor totaling $2000 dollars. Any Ideas???? All input would be greatly appreciated. Thanks in advance



jist@charter.net
Posts: 2
Joined: Sun Apr 04, 2010 9:00 pm
Location: Dallas, TX
Motorcycle: 1996 Goldwing

Re: Rear brake Pulses

Post by jist@charter.net » Sun Aug 12, 2018 10:51 am

Oh! one more thing. The bike HAS had the Update for the Warranty recall but the pulsing was occurring before the recall and continues to today

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GoldWingrGreg
Posts: 221
Joined: Tue Aug 24, 2010 7:18 am
Location: Zephyrhills, Florida
Motorcycle: 89 GL1500
03 GL1800
04 GL1800(abs)
05 GL1800(abs)
07 GL1800(abs)

Re: Rear brake Pulses

Post by GoldWingrGreg » Sun Aug 12, 2018 12:04 pm

The common complaint is "it feels like I was braking on a cobble stone" roadway. Could that be what you are describing. I've have the cobblestone feel on my Wing and instantly knew it was not something that can be fixed "in the field." In other words, it's something Honda engineers must fix, or redesign, because it is not something a mechanic can fix.

I too felt it years ago one time on my Wing, and I don't recall feeling it in the peddle, but it makes sense that it was probably there. The issue I too am describing will only happen on hot days. Some have tried various repairs ... replacing pads, rotors, various bleeding methods believing that they have fixed it. However, it can be an intermittent problem and they too eventually find out that under certain conditions, their symptom is still there.

Honda will recommend that the Wing be operated as designed ... use both brakes. When both brakes are used together, the symptom will not occur.

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AZgl1800
Posts: 1111
Joined: Thu Oct 30, 2008 2:46 pm
Location: Lake Oologah Indian Territory USA
Motorcycle: '02 GL1800

Re: Rear brake Pulses

Post by AZgl1800 » Sun Aug 12, 2018 11:42 pm

and it only happens when the rear brake is applied first.

as soon as you touch the front brake handle, the symptom disappears.
~John

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cihilb
Posts: 260
Joined: Sun Nov 22, 2009 9:20 pm
Location: Natrona Hts., PA
Motorcycle: 2012 Pearl White

Re: Rear brake Pulses

Post by cihilb » Mon Aug 13, 2018 8:10 am

Rocky Bleed. Air is trapped in the high point on the brake system . Standard bleeding sequence will not purge this air. The Rocky Bleed involves opening a connection at the top of the system to purge this "bubble" of air.
I tried to attach the document but the site won't accept a .doc file.



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