overheating


Information and questions on GL1100 Goldwings (1980-1983)
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shortyradar
Posts: 4
Joined: Wed Mar 24, 2010 8:11 pm
Location: joplin,mo
Motorcycle: 1981 gl1100 interstate

overheating

Postby shortyradar » Sat Apr 17, 2010 10:21 pm



I have a 1981 goldwing interstate gl 1100. After running it just 2 miles the heat guage goes over to the red. I pulled the flase tank and checked the radiatort level and it was low, so I filled it and ran the bike until it heated up watching the fluid in the radiator. I believe the thermostat opened because i saw the water levek come up and then go down. What is stranege is the raiator started pushing the water out and continued to get hotter. any ideas?



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WingAdmin
Site Admin
Posts: 17050
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

Postby WingAdmin » Sun Apr 18, 2010 12:11 am

A couple questions:

Did the fan ever cycle on?

When the temperature goes to the red, does perchance the fuel gauge also peg over to the right at the same time?

NUTCKERGOLDWING
Posts: 17
Joined: Sat Apr 10, 2010 10:15 pm
Location: EAGLE RIVER ALASKA
Motorcycle: 1981 GL1100I

Re: overheating

Postby NUTCKERGOLDWING » Sun Apr 18, 2010 1:30 am

SOUNDS A LOT LIKE THE PROBLEM I HAD WITH MY "NEW" 1981 GL1100. IT DID THE EXACT SAME THING, WOULD GET HOT RIGHT AWAY AND PUSH WATER OUT THE OVERFLOW. TURNED OUT TO BE HEAD GASKETS, THERE WASN'T A SMOKING GUN WHEN I REMOVED THEM BUT NEW HEADGASKETS CURED THE PROBLEM. YOU CAN CHECK THE WATER PUMP IMPELLER BY REMOVING THE LOWER RADIATOR HOSE AND NECK AT THE ENGINE AND LOOKING AT IT THROUGH THE CASE, BUT IF IT'S NOT LEAKING IT'S PROBABLY OK. GOOD LUCK
BILL IN ALASKA

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thrasherg
Posts: 1838
Joined: Tue Oct 20, 2009 11:21 am
Location: Plano, TX
Motorcycle: 2004 GL1800, 2005 Honda Shadow 750, 2008 Yamaha R6 with RG500 engine, CRF450X, CRF230, CRF250X, XR200, CR500

Re: overheating

Postby thrasherg » Mon Apr 19, 2010 9:59 am

As mentioned, it sounds like one of the head gaskets has failed. You should perform a compression test on the 4 cylinders and the one that is low will probably be the cause of your problem..

Gary

shortyradar
Posts: 4
Joined: Wed Mar 24, 2010 8:11 pm
Location: joplin,mo
Motorcycle: 1981 gl1100 interstate

Re: overheating

Postby shortyradar » Sat Apr 24, 2010 1:49 pm

Finally got around to checking the compression and I had an 85 and a 90 on the right side and a 90 and 100 on the left. Would this small variation cause the overheating or a head gasket problem? The bike seems to run well other than that

NUTCKERGOLDWING
Posts: 17
Joined: Sat Apr 10, 2010 10:15 pm
Location: EAGLE RIVER ALASKA
Motorcycle: 1981 GL1100I

Re: overheating

Postby NUTCKERGOLDWING » Sun Apr 25, 2010 8:20 pm

THE COMPRESSION ON MY 1981 1100 WAS GOOD AT ALL FOUR CYLINDERS WHEN I CHECKED IT SO I PULLED BOTH HEADS ANYWAY. BOTH GASKETS LOOKED OK, NO INDICATIONS OF EITHER ONE OF THEM LEAKING, HAD ME WONDERING IF I DID THE RIGHT THING BY REMOVING THEM. HOWEVER I REPLACED THE GASKETS WITH NEW AND REASSEMBLED EVERYTHING AND THE PROBLEM WAS CURED. I AM SURE THAT ONE OF THE CYLINDERS WAS LEAKING COMPRESSION INTO THE COOLING SYSTEM ALTHOUGH I CAN'T SAY WHICH ONE. CHANGING THE HEAD GASKETS IS NOT THAT BIG A JOB, IT ACTUALLY WENT PRETTY EASY. I HAVE A NEW HEAD GASKET THAT YOU CAN HAVE IF YOU WANT. IT IS JUST THE HEAD GASKET AND THERE ARE NO ADDITIONAL O-RINGS OR OTHER GASKETS WITH IT. I JUST PURCHASED THE WRONG GASKET KIT AND ENDED UP WITH A SPARE. IF YOU WANT IT JUST PM ME WITH YOUR ADDRESS AND I WILL MAIL IT TO YOU.
BILL IN ALASKA




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