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Twice now my '82i has let me down on the roadside. Both times were very hot days here, the bike lost power and stalled. After waiting 10-15 min. it started up and ran fine. I suspect overheating so I've changed the thermostat, rad hoses, and rad cap, and ensured the fan is working.I would like to know if anyone knows how to check the temp. sensor and the fan switch to see if they are working properly. My manual says nothing. Any help would be appreciated.



Chris
 

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If the fan is working, the switch should be fine. Probably the same goes for the temp sender, if the gauge is working normally.
 

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Probably not overheating, if it got hot enough to quit it would have at the very least blown the head gaskets. It sounds like the classic symptom of 1200s pulse generators failing which is uncommon on 1100s but is a possibility. You need to ride it until it quits and check for ignition spark.
 

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Does the temp gauge function normally? If yes, did it ever indicate the bike was getting hot? Does the fuel gauge work?
 

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You didn't say where the temp guage had been at on those rides at shutdown.
Did you inspect the water pump?
How old is the gas filter? It could be plugged.
How old is the gas in the tank?
Sounds like vapor lock from heat, Open gas cap when it happens to release pressure.
 

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The shop manual gives the check procedures for the swiches you are asking for.
Do a forum search bar on those.
Look in the workshop section of the menu.
You might find that at goldwingdocs.com in the how to section.
 

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Discussion Starter #7
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I just got this bike in midApril. The only days in acted up were on days in the mid 80's. I rode one evening for an hour with no problems, but it was cooler outside. Both temp and fuel gauges are not working. I also thought of vapour lock and released the fuel cap but it did not help. I am going to change the fuel filter this weekend. And I never considered an electrical problem. Thanks everyone for your suggestions, I will let you know what I find.



Chris
 

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So I got my bike all back together with new thermostat, rad cap, and hoses. Rode around the neighborhood, then to work, and Sat. evening rode to Hamilton, (1hour each way) and the bike ran fine. Not so much as a hickup. Thanks for all your suggestions.



Chris
 

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Sender Unit

Does the temp gauge function normally? If yes, did it ever indicate the bike was getting hot? Does the fuel gauge work?
I have the same problem. My temp gauge works erratically, I think is malfunction of the Sender Unit. But I always think the little Sender does not get my Wing into overheating. It's that possible? Or the objective of the Sender is only to read?
 

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I forgot: My fuel gauge doesn't work too.

Another Questions:

It could be valve clearence?

What it is the purpose of the Sender Unit?
 

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If both gauges are not working it is usually the 7 volt regulator found behind the gauges.
 

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I forgot: My fuel gauge doesn't work too.

Another Questions:

It could be valve clearence?

What it is the purpose of the Sender Unit?
These ought to help you find out if you have an electrial problem.
 

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Official "Cheeky Plonker"
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I forgot: My fuel gauge doesn't work too.

Another Questions:

It could be valve clearence?

What it is the purpose of the Sender Unit?
You don't actualy say what GL1100 you have, so here's this one too.

But if both are out, or maxing out then it's most likely the 7v reg'.

The '83 schematic was a little over the forums limit there, so sorry, you can't have it. let's hope you've got an '80 thru '82. :)
 

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High idle

My main problem is not the gauges. It is the overheating. I mentioned the gauges because I did think the bad sender unit causes the overheat. I'm really lost on this. I have the 82 GL1100. Thanks for your help.
 

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My main problem is not the gauges. It is the overheating. I mentioned the gauges because I did think the bad sender unit causes the overheat. I'm really lost on this. I have the 82 GL1100. Thanks for your help.
No, the sending unit cannot cause overheating, it can cause the gauge to be wrong though.
 

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No, the sending unit cannot cause overheating, it can cause the gauge to be wrong though.
Thanks Dave.

I still have the overheating problem. Last week on a long ride the bike went overheat again and turns off. I wait half an hour but nothing. It did cool completely and nothing. I checked on the road the fuel filter and was empty, but the fuel tank had enough gas (I don't remember where I hear about negative vacuum on the fuel tank that it prevents normal gas circulation, is this true?).

I payed for a tow then. The day after that I tried and the bike starts normally but I did notice a tapping sound on the right side. I'll check for thermostat, water pump and fan and I will keep updating.
 

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Without a gauge how did you know it was overheating? Or did it just quit. Usually when they over heat it will blown a head gasket. The next day was there fuel in the filter? No fuel in the filter could be a pump going bad. Without a fuel gauge how did you know you had enough fuel. Or did you change over to reserve?
 

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When mine overheated, the gauge worked, but I would still have known. The radiator cap blew, and there was steam coming out from everywhere. It happened very quickly without warning. Failure of the sensor that turns on the fan could cause overheating, but my fan was working fine. After working on it for over a week, the overheating problem simply went away. I still don't know what it was, but I believe it had something to do with air trapped in the system.
 

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Without a gauge how did you know it was overheating? Or did it just quit. Usually when they over heat it will blown a head gasket. The next day was there fuel in the filter? No fuel in the filter could be a pump going bad. Without a fuel gauge how did you know you had enough fuel. Or did you change over to reserve?
Thanks cheep.

I did could have cook bacon on my engine in minutes, besides the vapor coming out of everywhere.

And I did just go to the gas station and full my tank.
 

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that answer my questions. Thanks.
 
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