| Re: [GMCnet] Onan, tracking fuel problems [message #325017 is a reply to message #325015] |
Mon, 16 October 2017 19:02   |
Jim Miller
Messages: 501
Registered: March 2008
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On Oct 16, 2017, at 7:01 PM, Luke Walling wrote:
> Fuel lines look good underneath, don’t look that old. The back fuel tank looks to be leaking a fair bit, I can’t tell from where. Top drivers side corner is wet on the bottom.
The GMCnet is replete with owners’ accounts of fuel draw problems due to spongy hoses that have deteriorated due to ethanol in our “modern” fuel. Unless you physically examine the lines and can read something like “30R14” or “Gates Barricade” on them then you should assume they are the old formulation that is attacked by ethanol. A classic symptom is the inability to draw sufficient fuel through them to run the {main engine,onan}. My guess is that you have spongy hoses that are weeping and that is the source of the raw fuel you see in and around the tanks.
I do not know what “friction fed” fuel is - but whatever it is it probably isn’t relevant to this particular problem.
—Jim
Jim Miller
1977 Eleganza
1977 Royale
Hamilton, OH
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Jim Miller
1977 Eleganza II
1977 Royale
Hamilton, OH
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