Oil in the antifreeze on the '80


Information and questions on GL1100 Goldwings (1980-1983)
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theiggy
Posts: 16
Joined: Thu May 13, 2010 10:03 am
Location: Edson Alberta
Motorcycle: 1980 goldwing 1100

Oil in the antifreeze on the '80

Postby theiggy » Tue Aug 03, 2010 8:25 pm



I checked my antifreeze tonight and it is full of oil. Can anyone assist me and tell me what this is an indication of? If it was a head gasket it would be reversed would it not? Is there an oil cooler? How big of job is this to fix? :?

Thanks in Advance. ;)



cbach1981
Posts: 154
Joined: Sun Mar 14, 2010 9:03 pm
Location: Salem, ME
Motorcycle: 1983 GL1100I Interstate

Re: Oil in the antifreeze on the '80

Postby cbach1981 » Tue Aug 03, 2010 9:01 pm

it is not always the other way around. could be the head gasket, but could be something else as well. had that issue in my car and it was the head itself that was cracked. hope that's not your case, tho.
    You only need two tools in life - wd-40 and duct tape. If it doesn't move and should, use the wd-40. If it shouldn't move and does, use the duct tape!

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thrasherg
Posts: 1837
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: Oil in the antifreeze on the '80

Postby thrasherg » Wed Aug 04, 2010 9:19 am

I don't know what you mean about "it would be reversed", usually the oil is pumped around the engine at pressures of 60PSI or more, the cooling system is at atmospheric pressure (A bit higher as the cooling system is a closed pressurised system) which is significantly lower than 60PSI (probably less than 10PSI), so it is normal if a head gasket fails for the oil to go into the cooling system (from the high pressure to the low pressure). Sometimes the head gasket fails enough that a pressure test will indicate which head gasket has failed, but this is not always the case. As mentioned it could also be a crack in the engine somewhere, those are much harder to find and very expensive to fix!! (usually requires a complete engine dismantle!). I would start by trying to run a cylinder pressure test on all 4 cylinders to see if one is lower than the others as that could give an indication of where to start looking.

Gary

radioman
Posts: 3
Joined: Fri Aug 21, 2009 11:36 am
Location: baxter Ky.
Motorcycle: 1982 GL1100I Interstate

Re: Oil in the antifreeze on the '80

Postby radioman » Tue Aug 10, 2010 10:20 am

check your water pump. I think it is possible for oil to get into the coolant through a failing water pump. Radioman




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