Spongy brakes


Information and questions on GL1500 Goldwings (1988-2000)
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Woehrer
Posts: 6
Joined: Sun May 20, 2012 2:10 pm
Location: Slinger, WI
Motorcycle: 1998 GL1500

Spongy brakes

Postby Woehrer » Fri Mar 01, 2013 5:57 pm



Every spring I have spongy brakes and need to bleed the system. I live in Wisconsin and it is properly stored in a dry but cold garage. I have checked for leaks in hoses and have not found any. Any other suggestions to avoid his from happening year after year? Thanks, Paul



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robb
Posts: 1040
Joined: Mon Jul 19, 2010 7:46 pm
Location: Lexington, North Carolina
Motorcycle: 1989 Honda GL1500 Aspencade

Re: Spongy brakes

Postby robb » Fri Mar 01, 2013 8:38 pm

Air is likely entering from a worn o-ring in the caliper. Rebuild kits are about $20 per caliper.

Woehrer
Posts: 6
Joined: Sun May 20, 2012 2:10 pm
Location: Slinger, WI
Motorcycle: 1998 GL1500

Re: Spongy brakes

Postby Woehrer » Sat Mar 30, 2013 7:47 am

It's almost that time:). How hard is it to rebuild calipers and replace o-rings?

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RBGERSON
Posts: 2621
Joined: Tue Mar 09, 2010 7:57 am
Location: SCOTTSDALE, AZ
Motorcycle: 98 SE GL 1500
had every year from 75 to 83

Re: Spongy brakes

Postby RBGERSON » Sat Mar 30, 2013 9:27 am

Easy job..pop the pistons..while still on the bike..pull caliper but leave attached to the lines. Clean out the cylinders and polish the pistons..look for pitting on the pistons if you have some you may wan to replace them.. Insert new o rings, lube the o rings and pistons re-insert.."C" clamp may be needed..install and bleed.

Also your problem could be expanding brake lines..add some more fluid and they are "GOod" but not really.
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

Woehrer
Posts: 6
Joined: Sun May 20, 2012 2:10 pm
Location: Slinger, WI
Motorcycle: 1998 GL1500

Re: Spongy brakes

Postby Woehrer » Sun Mar 31, 2013 7:04 pm

What causes expanding brake lines? Solution is to replace them all?

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Wingsconsin
Posts: 785
Joined: Tue Jul 10, 2012 1:47 pm
Location: Sussex, Wisconsin (West of Milwaukee)
Motorcycle: 2002 GL1800 - Pearl Orange
1996 GL1500 Aspencade - Pearl Blue
1992 GL1500 Aspencade -Candy Red
1983 Suzuki GS850GL - Blue & Black
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Re: Spongy brakes

Postby Wingsconsin » Mon Apr 01, 2013 1:18 pm

Replace the lines wiht new OEM rubber or stainless steel would be a really good solution IF the lines are suspect...

But with a 1998 those lines are not really OLD old yet...My '96 has th eoriginal rubber lines and I can get rock hard lever and pedal on y brake system. Replace ALL the fluid with new brake fluid including the clutch hydraulics every other year. The fluid attracts moisture and causes it to go bad. I use a miti-vac to suck it through - it's pretty eaasy to do...

I have to do the clutch system this year on my 1500 as I missed it last year...I will probably do brakes again while I am it just to be sure...


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