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JoeCastor · 09-27-2022, 12:50 PM

Fueled up, less than 1/2 mile from RV park, parked for the night with no noticeable issues. Gen had been running prior to fueling up.
Next morning, large amount of diesel fuel on concrete pad (1/2 - 1 gal?) under gen. Looked for source, fuel was dripping from rear of gen. Could see fuel line connection into gen, appeared secure, not leaking. Leak appeared to be just inside of rear of gen, just below where fuel line enters. Had to raise front of MH with jacks to get a better look. Dripping stopped as soon as I raised the front. Access to leaking area appeared difficult, requiring removal of a large support bracket.
With service availability difficult to nonexistent, I decided to continue on our journey. I checked for any further leaking about every hour; no leaking. That evening at next RV park, watched closely for leaks. Next morning, no leaking. During the next day's leg, I attempted to start gen (did not try the day before), started and ran without issue. Fueled up in route, no dripping, continued to next stop. Gen off. No sign of leaking the next morning. Repeat this two more days. No more issues. Parked for two weeks now, no issues.
So, anyone ever experience anything like this? Possible cause? Heat related siphoning?
Before I take it to the shop and pay for hours of searching without finding anything, I'd appreciate your insights and experience.
Thank you in advance, Joe

paddler1954 · 09-27-2022, 05:37 PM

I don't have a 10K so don't know if this will help. On the 8K gens, there is a drop-down door on the bottom of the generator. Inside that door is access to the oil filter and also the fuel filter. You might want to check both ends of the generator fuel filter.

jarwiebe · 09-27-2022, 06:40 PM

I had the same issue on my 7.5 QD. My leak was on the output flare connection of the fuel pump. Same area Steve referenced. Snuged up the flare nut and no more leaks.

JoeCastor · 09-29-2022, 01:51 PM

Thank you for your response.
A check/replacement of fuel filter will be the first place I look for the solution.

jacknife · 09-30-2022, 01:45 PM

Quote:

Originally Posted by JoeCastor

Thank you for your response.
A check/replacement of fuel filter will be the first place I look for the solution.

Remember alway try the cheapest fix first !

JoeCastor · 10-17-2022, 12:01 PM

Update:
Thanks for the fuel filter tips. The 10KW/12KW has two filters; an in-line filter and a "box" filter. The box filter was leaking. Replaced filter and problem fixed.