overflow tank


Information and questions on GL1500 Goldwings (1988-2000)
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guitarzan
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overflow tank

Postby guitarzan » Sun Jun 28, 2015 5:45 pm



Hi,
does anyone know how to remove the over flow tank connected to the radiator for overflow of antifreeze? I may have to replace the hose I have leak that I never had until I put antifreeze in the overflow tank.

Thanks
Frank



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NVSB4
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Re: overflow tank

Postby NVSB4 » Sun Jun 28, 2015 5:57 pm

See the attached picture from the Service Manual.

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WingAdmin
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Re: overflow tank

Postby WingAdmin » Mon Jun 29, 2015 9:07 am

Are you sure the leak is coming from the tank itself, and not from the hose connecting it to the radiator? That's a common failure.

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guitarzan
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Re: overflow tank

Postby guitarzan » Mon Jun 29, 2015 9:42 pm

I never had a leak until I put antifreeze in the overflow tank. Now I've put new hose clamps on because they were the stock spring clamps and I changed the antifreeze. I ran the bike and heated it up to operating temperature and let the bike cool over night and I have no leaks. In the morning I'll check the overflow tank and see if it needs any antifreeze, if I add antifreeze and have a leak, what would you think the trouble would be? Have I made myself clear here?

Frank

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Bluewaterhooker0
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Re: overflow tank

Postby Bluewaterhooker0 » Mon Jun 29, 2015 9:57 pm

Are you sure you are filling the reserve tank to the proper level ? This is not a closed (pressurized) system like some autos these days. The tank is merely a 'reserve' area to take on additional coolant from the radiators, when they get hot and the coolant expands through the radiator cap. It also allows coolant to be pulled back into the radiators when the bike cools. When the reserve is properly filled, it is probably only half full, allowing for the possible additional overflow from the radiators. If you filled the reserve tank to much, it would come out the overflow hose at the top of the tank when the additional coolant flowed into the tank.

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guitarzan
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Re: overflow tank

Postby guitarzan » Mon Jun 29, 2015 10:06 pm

When I check it tomorrow I'll see how much antifreeze is in it. Is there a specific level that it should be maintained?

Thank you much for the information, that was helpful.

Frank

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Re: overflow tank

Postby WingAdmin » Tue Jun 30, 2015 11:11 am

guitarzan wrote:When I check it tomorrow I'll see how much antifreeze is in it. Is there a specific level that it should be maintained?

Thank you much for the information, that was helpful.

Frank


Yes, it's shown on the dipstick built into the cap:

GL1500 Coolant Level
GL1500 Coolant Level

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guitarzan
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Re: overflow tank

Postby guitarzan » Tue Jun 30, 2015 12:24 pm

Ok, great. I'll know in a few minutes. I'm running a little slow today. Thanks again.

Frank

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guitarzan
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Re: overflow tank

Postby guitarzan » Tue Jun 30, 2015 2:42 pm

I need to wait for it to cool down now so I can see how much is in the overflow tank. I started it in the garage because its on a lift and I still have work to do. Now is it normal for my eyes to start watering from the fumes or do you think I may be running rich?

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Bluewaterhooker0
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Re: overflow tank

Postby Bluewaterhooker0 » Tue Jun 30, 2015 4:28 pm

Mine has pretty nasty fumes as well. That's carburetors for ya. I get 35 - 45 mpg depending on conditions.

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guitarzan
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Re: overflow tank

Postby guitarzan » Tue Jun 30, 2015 4:36 pm

Well its good to know. Well not good that it happens but good to know that I'm not the only one out here in with that :roll: . Thank you

Frank

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guitarzan
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Re: overflow tank

Postby guitarzan » Tue Jun 30, 2015 8:20 pm

I want to thank everyone for the help. Here I was ready to remove the overflow tank and I didn't need to. The engine cooled off and the radiators full and I checked the level in the overflow tank and its just a little over the lowest level. The big thing is that there are no leaks. Replacing the old spring hose clamps did the trick. Well now I'm putting on a new heel toe shifter with floorboards so I'll be talking to ya's soon. I've been looking for video on how to do it and I cant find anything yet. I'm also putting on a shifter brace and a new oil seal as well. thank you all again.
Frank




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