Removing Front Tire


Information and questions on GL1800 Goldwings (2001-Present)
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expplane
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Removing Front Tire

Postby expplane » Sat Sep 18, 2010 9:41 pm



Is it necessary to remove one brake pad each side to remove and replace the front tire? The Service Manual states to do this, but on my last bike (a Nomad) I would just spread apart the pads with a large flat blade screw driver to allow the discs to slide in easily.



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FlyBoy2121
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Gl 1800 2003

Re: Removing Front Tire

Postby FlyBoy2121 » Sun Sep 19, 2010 7:08 am

I expplane

Most of the book of mechanical recommend removing brake calipers, before remove the front wheel.

Go to see this adress for reremove the front weel

http://www.wingtechtips.com/1800EPSS/ep ... /pro51.htm

Me for remove the front wheel, I do not remove the caliper, I do like you said.

For remove the front wing, go to see this adress

http://www.wingtechtips.com/1800EPSS/ep ... pro100.htm

When you install your front wheel check your torks

Good Job

FlyBoy2121 :D

expplane
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Re: Removing Front Tire

Postby expplane » Sun Sep 19, 2010 9:06 am

Thanks for the reply. Great info site. Been looking for an additional source other than the service manual.

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FlyBoy2121
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Re: Removing Front Tire

Postby FlyBoy2121 » Sun Sep 19, 2010 10:46 am

I expplane

The website works by alphabetical letters, it has fast access, plus it's free.

FlyBoy2121 :D

chrisgl1800
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Re: Removing Front Tire

Postby chrisgl1800 » Sun Sep 19, 2010 9:06 pm

That is a great site! Do you know of any other site that covers the 2009 Goldwing??
Chrisgl1800
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FlyBoy2121
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Re: Removing Front Tire

Postby FlyBoy2121 » Sun Sep 19, 2010 9:51 pm

! chrisgl1800

That is unfortunate, this is to give free Sit Weg for 2001-2002, and have little say even 2005.

But the basic mechanics are the same, if you look at your 2009, it'll help.


There have always manual section top of this page, you'll pay a few dollards is good.

Nes time :mrgreen:

FlyBoy2121 :D

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Keyboard
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Re: Removing Front Tire

Postby Keyboard » Mon Sep 20, 2010 9:45 am

expplane wrote:Is it necessary to remove one brake pad each side to remove and replace the front tire? The Service Manual states to do this, but on my last bike (a Nomad) I would just spread apart the pads with a large flat blade screw driver to allow the discs to slide in easily.

When you say brake pads you really mean brake calipers. The manual does say remove both brake calipers. This is because there's no way to get the rim past the calipers when they are on. However, if you use a floor jack to support the wheel, then you only have to remove the right brake caliper. Then carefully slide the wheel out. (NOTE: The left brake caliper is much more difficult to remove than the right.) Make sure you cover both sides of the rim with masking tape to keep it from getting scratched during the removal/install.

Reinstall in reverse order, but spread the brake pads apart to allow the disc to easily slide back on.
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expplane
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Re: Removing Front Tire

Postby expplane » Mon Sep 20, 2010 10:18 am

No, I do mean brake PADS. See page 14-17 for ABS models VIIIA which says "Remove the brake pads of the left front caliper". Hence my question: Why is that necessary. I have removed front and rear wheels on my Nomad without removing brake pads. In fact I not sure that is possible to do on the Nomad with the wheel on the bike.

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Re: Removing Front Tire

Postby WingAdmin » Mon Sep 20, 2010 11:13 am

Just a quick note: Spreading apart the brake pads like that forces a large amount of brake fluid up the narrow brake lines and into the brake cylinder. This is dirty, contaminated brake fluid that normally lives in the caliper, where it is subjected to many heating cycles and any foreign particles that get past the piston seals. All dirt and sludge particles in the brake system are also drawn down by gravity and collect down there. By forcing the brake pads apart, you're forcing all of this dirty, contaminated brake fluid back up into the master cylinder, where it clogs the return port and causes you to have to eventually tear down the master cylinder and clean it out. That's why when you put new brake pads on, you should open the bleeder valve before retracting the pistons, so that the dirty fluid inside the caliper squirts out (well, squirts into a collection jar - not onto the plastic bits!) and is then replaced with fresh fluid that you add to the reservoir.

expplane
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Re: Removing Front Tire

Postby expplane » Mon Sep 20, 2010 1:46 pm

Super comment!! Great point; wonder if the dealer's "technician" even has a clue about that?
Wayne

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Keyboard
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Re: Removing Front Tire

Postby Keyboard » Mon Sep 20, 2010 5:25 pm

OK. I stand corrected. I looked up your referenced page and it indeed does say remove the brake pad. But, it only applies to the left caliper. This is a change in the manual from previous years with ABS. For example, my 2003 manual doesn't mention removal of the brake pad, and neither does FlyBoy2121's referenced link. But, my 2010 manual does. Both of my wings were ABS models. Notice that for the right caliper, there's no mention of removing the brake pad.

However, Honda still says to remove the left caliper to remove the wheel. So, what I've concluded is that removing the pads makes it easier to remove the left caliper. It is pretty tough to get the left caliper off with the brake pads on ... been there done that. Yet, the right caliper slips right off, brake pads and all.

Nonetheless, what I posted earlier, about removing just the right caliper (with pads) allows you to get the front wheel off.

BTW, removal and installation of the brake pads on the GL1800 is easy. The manual even states to do it with the calipers and wheels on (front and back).

WingAdmin: I hear what you say about spreading the brake pads, but I can't image contaminates,slude, etc. would travel that far back to the master cylinder when the pads are only spread a few milimeters. I'll keep it in mind though.
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WingAdmin
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Re: Removing Front Tire

Postby WingAdmin » Mon Sep 20, 2010 8:24 pm

Keyboard wrote:WingAdmin: I hear what you say about spreading the brake pads, but I can't image contaminates,slude, etc. would travel that far back to the master cylinder when the pads are only spread a few milimeters. I'll keep it in mind though.


I think you'd be surprised. I worked this out myself just now to be sure. Let's say you have a caliper with two 30mm (3 cm) pistons. We spread the pads, retracting both pistons 3mm (0.3 cm). To get the ml (cm3) of fluid displaced, we calculate the volume:

V = πr^2h

So that's 3.1415 * 3^2 * 0.3 which works out to about 8.5 ml per cylinder - or about 17 ml total. That's quite a bit more than the fluid contained in the brake lines between the master cylinder and the caliper - so retracting the pads only 3mm will definitely get fluid from the caliper up to the master cylinder.

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Re: Removing Front Tire

Postby Keyboard » Mon Sep 20, 2010 10:05 pm

YIKES! Now you've made my brain hurt :o
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expplane
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Re: Removing Front Tire

Postby expplane » Mon Sep 20, 2010 10:49 pm

I had an inkling that Goldwing owners were higher up on the "feeding tree" than the average Kawasaki gorilla. It's now confirmed. Nice research WingAdmin. Your high school physics teacher would be proud of you.
So, that means I better be careful about spreading those pads. Remove the pads! :-)))
Wayne




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