Thanks so much for posting! I am about to change my fuel pump tomorrow on my Quiet Diesel 7500 and could not find anyone either with the same problem nor a video on how to do it! What was so helpful is I have read about how the generator support tray blocks the fuel pump screws but I could not find a video or a picture that showed me how to get to them. Now I am confident that I will be able to replace my fuel pump tomorrow! Also to review my problem, the generator would run fine but shut down while driving after a while. It seemed to be happening randomly but now that I think about it, it was happening pretty much every time my fuel got to 1/4 full. And I am sure that all the fuel sloshing around while driving was causing it to stop because when I would park the RV, it would start back up after a lot of priming (and likely because the fuel settled down in the tank).

Very nice video I think trying to take all the angles to show all of us people how to do stuff was way more complicated than the replacement of the pump.Good job.

Thanks so much for posting. You are the man for tackling such a project. I just had my Quiet diesel 7.5kw generator's fuel pump replaced because the generator wouldn't run unless it had 3/4 of a tank of fuel. About a year ago, it wouldn't run unless it had 1/2 tank of fuel and about 2 years ago, the coach had to have at least 1/4 tank of fuel, as it was when we first purchased the coach. So it was a gradual inducement to change the damn fuel pump. I had a really nice company in LA County do the work but holy smokes, you wouldn't believe what they charged me. lol. That being said, I'm happy with the work they did to make the generator run again. I'm supposed to go back to them soon to have a major service done on the unit (oil & filter change, fuel filter change, air filter change, spark arrestor cleaning, remove and replace radiator fluid, replace the water pump belt, and adjust the valves). They charge $280/hr for labor and my unit is non-slide out so the estimate of $2500 for the work is not cheap. Again, thank you for posting.

God bless you guys helping people celebrating enjoying your life helping me lot more ❤thanks

thank you brother! I have the fault related to fuel delivery. My gen will run for a few minutes and quit. I believe this will fix my issue as well.

The birds are so cute! You did such a great job with the animation! We can’t wait to hear what their names are. We’re so happy the generator is fixed, we had faith in you all along!

Wow, my onan 7500w was slow to start on our, new to us, 1998 Monaco. Previous owner said it was always slow to start. Figured it may have been the pump so I ordered a new one, identical to yours. Pump is yet to arrive and now, after watching your video I'll be doing, an 'informed' R and R. Good work, thank you so much for taking the time to document this. Also have to appreciate the algorithm that presented this to me as a suggestion on KZfaq. Win, win.

Thank you for the video. I want to point out that the fuel line for genset is set in such a way the genset will run out of fuel at 1/4 tank so you cannot accidently run main tank dry.

Thank you for an excellent fuel pump fix/video! Well done sir! My generator was a Onan Quiet DEISEL 7500 also. Recently the symptoms were, at first, unusual. The generator would run both airs and refrigerator all day while stationary but start driving and in a minute to three, the generator would die, flashing codes. Finally, the generator would only carry one air conditioner . Today I replaced the fuel pump and just returned from a road test of about an hour, and had no problems with my generator. Thanks again for excellent, detailed instruction. I could not find the deal in price that you did. Mine was $120.00 delivered but would have cost me 250-300 to have pump installed plus two to three weeks wail time, no doubt!

Great job having them same issues

Thanks,I have that problem and this video is a life saver thanks again.

The gen pickup in the motor home for fuel is only down 3/4 into the tank so you will be able to start the MH so you won't run out of fuel for the MN. Good luck john

Awsome job. I been fighting with my generator for 2 months since i bought my truck. I have same generator in my semi.

Great job thank you so much I’m going to do mine thanks again for the video

Congratulations 🍾🎈🎊🎉 you deserve your day nice video gorgeous I’m learning with you

Hey that was FUN! Love the little animated birds and noticed that Dave flew the coup at the end while Ms. Karen's birdie danced then hung around to 'finish the task'! Great job in using common sense to problem solve the issue. I heard the new pump pulsing when you were testing the flow rate but I didn't hear the old on pulsing. That also might be a sign that a low pressure fuel pump has 'given up the ghost'! Happy safe and fun travels!

Onan generators are setup to shut off at 1/4 tank by design on every RV that I’ve owned!

Done changed thanks for your video

Going to save this video..good job. I have an 8 K Onan mine runs fine but if you leave it for a week or so I have to prime wit again.i am servicing it this spring New oil,air,and fuel filter.. if the issue.persists I will do what you did...thanks again. ..

I have the same RV and the same problem!! I'll change the pump and i'll let u know!! Tks

Going to do mine thanks

Great job Dave. What is your background. You seem pretty handy with a wrench :) Love the birds too lol

It's always a great feeling when you successfully complete a task you haven't done before. Have you chosen names for your birds yet?

All moterorjomes tell you do not let fuel get below 1/4 tank or your gen will starve for fuel and quits.good luck john

Very Nice 👍👌 Excellent 💯💯🌹 My friend 🌹👌 Big Like 👍🌷💕

Hi. Congrats on the creativity! My 8000qd isn't on a slider (but, you mention the process should be similar). Anyways your prybar got it moved out, how'd you get it back in without any leverage spots, and line up the bolt holes? Inquiring minds wanna know (since they're like 400lbs dry and I have to do the same). Thanks

What year your generator ? I think I have the same problem with my generator. I have Onan 20.0 genset and is 1986. One mechanic rebuild the fuel lift pump. Before I was only having a leak of fuel but the generator was starting. After the mechanic rebuild the fuel pump the generator was not able to start anymore. But the mechanic is working to put a electric fuel pump. I hope fix the problem

Where did you order your pump from I just checked and my pump isn't working very well either that seems to be my problem it keeps throwing a code2 8

excellent video. did you have any info on the starter? thanks.

Great job! So my fuel pump went from that normal sound to sounding really loud when priming. Any idea why it'd do that?

Did your generator throw any codes. I ran mine below 1/4 tank and mow it won't start. Throws code 36.

Where did you source replacement pump?

Is the pump you installed an off brand? If so that’s why it was cheaper. I’m against cheaping out on specific parts, fuel pumps being one of those parts. Cummins charges more, but it’s about quality.

Hello..wiener tribe in the house. Got my wine in hand.

Isn't the fuel pump internal and that pump is just a feed assist pump to help feed the actual pump

I just subscribe 1000 likes

Yea that's definitely not the fuel pump diesel mechanical fuel pumps pump at hundreds if not a couple thousand psi and those rubber lines would explode

Listen my start and stop now stop I don’t try