Community Forums

kmegargle · 07-20-2020, 10:12 PM

2008 Winnebago Adventure 38J Generator is overheating at anything above 70 degrees..I have had filters and oil changed regularly. I have tried gas treatment in coach gas tank. Any other suggestions..

Skip426 · 07-20-2020, 10:42 PM

Has the gen set been opened up; shrouds off; to check the cooling system , radiator clean , belt tight?

Do you have the owners manual, for the gen set .

For better info, can you add the gen set, make and model info to your post .

kmegargle · 07-22-2020, 09:59 PM

I have an Onan Marquuis Gold 5500 5.5HGJAB - 1038D

Skip426 · 07-22-2020, 10:17 PM

Quote:

Originally Posted by kmegargle

I have an Onan Marquuis Gold 5500 5.5HGJAB - 1038D

Thanks for adding this info I'll look online for a service manual with troubleshooting tips.
I'll be off line till next Wednesday , hopefully another member will provide help in the mean time.

Skip426 · 07-22-2020, 10:54 PM

At first glance , the info shows , an air cooled engine , with a direct drive air circulation fan , so no belt .

Right now , I'm thinking a good close look at the cooling air inlet and vent to be sure something hasn't set up residence, anywhere around the engine , blocking the cooling air flow is the first step.
I'll see if any other documentation online gives me any other ideas.