Overheating GL1100 question


Information and questions on GL1100 Goldwings (1980-1983)
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dvcruz
Posts: 93
Joined: Sun Aug 15, 2010 1:49 am
Location: San Jose, Ca
Motorcycle: 1993 GL1500 Aspencade
1983 GL1100 Interstate

Overheating GL1100 question

Postby dvcruz » Fri Nov 05, 2010 9:31 pm



So, I'm taking a quick ride to the nearby Target which is only a 10 minute trip. On the way back, I can feel the engine heating up (it was only 65 degree weather) and I look at my temp gauge and it's barely in the warmed-up-bike area. But a minute later, my radiator fan kicks on and as I look at my temp gauge, now it's climbing to the HOT area.
The radiator was flushed 200 miles ago and hoses were checked. There are no leaks and the coolant level is right where it should be.
Any wild guesses as to what's going on, both with the gauge and the overheating engine. By the way, the bike is running fine, 'cept for a wee bit of heat there.
Thanks.


Back in the San Diego area!

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RoadRogue
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Location: Castlegar BC, Canada
Motorcycle: 1997 1500SE

Re: Overheating GL1100 question

Postby RoadRogue » Sat Nov 06, 2010 12:29 am

Rad flushed on the bike and through the motor or pulled off and sent to a shop?
When you say coolant level is correct,are you checking it at the overflow bottle,or with the rad cap removed ?It can make a difference.

To me it sounds like you had a large air bubble in the system after the flush.Rad was full but engine was not.
When refilling a rad I like to add coolant till it wont take any more and then start the engine and let it run till I see coolant flowing.almost every time I do it this way I have to add more coolant after the thermostat opens all the way and lets the coolant replace any trapped air in the engine.
When you flushed the rad did you pull and test the thermostat? If not there maybe some gunk in there from the flush that is stopping it from opening or it has failed altogether
Just some thoughts off the top of my head,hope it helps
Ride safe, Todd
Over night campers welcome

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littlebeaver
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Motorcycle: 1981 gl 1100 I , 79 Yamaha XS11
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Re: Overheating GL1100 question

Postby littlebeaver » Sat Nov 06, 2010 1:07 am

I had a toyota truck do the same thing and it was the thermostat sticking, that's really good advise.. if it keeps doing it, that would be my bet ..

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WingAdmin
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Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: Overheating GL1100 question

Postby WingAdmin » Sat Nov 06, 2010 10:12 am

It really sounds like an air bubble in the cooling system, and the fact that it was flushed only 200 miles ago would lend credence to that theory. Have a look at step 15 of How to flush your cooling system

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WingAdmin
Site Admin
Posts: 17046
Joined: Fri Oct 03, 2008 4:16 pm
Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: Overheating GL1100 question

Postby WingAdmin » Wed Nov 10, 2010 8:42 am

When you say the "coolant is right where it should be" - are you talking in the reservoir tank, or in the radiator itself?




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