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Old 04-10-2019, 02:09 PM   #1
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Slow diesel fill at truck stops

When I pull into a truckstop to get fuel, I have to barely squeeze the nozzle or I'll get fuel blowing back at me. For me, it is a slow process filling with the high speed pumps.
When I go through a regular fuel island, the nozzle and pumps work great.
Any ideas?

Thanks,

Wm Mayberry
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2011 Honda CRV
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Old 04-10-2019, 02:14 PM   #2
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Look to see if the hose between the fill and tank is bent. Some owners have had to shorten the hose to eliminate the pinched hose which will allow fuel to flow better than before.
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Old 04-10-2019, 02:48 PM   #3
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Vent plugged maybe. If you have a fill on both sides. open the other one. That should tell you if its the vent
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Old 04-10-2019, 02:57 PM   #4
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It's always hard to use the big nozzle at truck stops almost all over the roar semi fill through a 4" opening directly into the tank and the big pumps are set to flow with this no restrictions all most all rv's fill through a 2-2 1/2 inch pipe to the tank with bends and a smaller vent some of the systems are better than others but you can't just dump the fuel in like a semi. Use the small pump when you can.
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Old 04-10-2019, 03:02 PM   #5
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Hello wmiii,


Some truck stops have larger nozzles on the diesel pumps for large semis for the purpose to flow the fuel faster. Your diesel intake on your RV tank must have smaller intake. This could possibly be the reason why the handle keeps shutting off is the handle is designed to react to the fuel to flow back when the tank is full and the pump shuts off. Make note to find a pump handle nozzle that is smaller and it should flow better. I hope this helps your problem.
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Old 04-10-2019, 03:04 PM   #6
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Well,
At the risk of sounding a bit sarcastic, DON'T use those pumps! If you find you have no issues with ANY other fueling station, then why put up with it? Obviously there's nothing wrong with your rig, its ability to accept fuel, from any other fuel nozzle, gives you no problems at all, correct? We have an '04 Itasca Horizon 36GD with the CAT C-7 330HP and, we've owned for almost 8 years.

In that amount of time, and the 45,000 miles we've put on the coach, we've fueled at a truck stop, ONE TIME! There's lots of reasons I won't go back to one but, those nozzles are at the top of the list.

Now, I'll get flack here on that last statement but, that's fine. Everybody's gonna get fuel where they like and or works. I just don't care for truck stops. Our tank will take fuel at a somewhat normal rate, with a normal nozzle. But, when it get's close to full, as in I've still got 15 gallons to go before it's full, it gives me this: Click-stop, click-stop, click-stop, click-stop. It takes longer to put that last 15 gallons in it, than it did to put the first 40-50 in it.

And those nozzles make it worse. So, I myself, don't use truck stops. Your choice.
Scott
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Old 04-10-2019, 03:59 PM   #7
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GasBuddy can save you 30-50 cents and the pumps are not high volume...problem solved.
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Old 04-10-2019, 04:19 PM   #8
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We have a small stone we use to keep the nozzle on, works great
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Old 04-10-2019, 06:10 PM   #9
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If I have a lot of problem with blowback, I open the fuel filler on the opposite side for better venting. Keep an close eye on it, though, cause you can overflow fuel out the other side. Or forget to put the cap back on and drive away. You can guess how I know this...
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Old 04-10-2019, 07:19 PM   #10
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I have had this issue from day one no matter which side i fill up on. Unfortunately Iím at a length towing my F-150 that i donít usually have an option but to use the big boy pumps.

The strategy i have adopted is to never top off. If Iím sitting at half a tank Iíll put 40 gallons in. If Iím at a 1/4 tank Iíll put 65 gallons in.

A bit of an inconvenience not being able to get the extra 80 miles of range from the final 10 gallons but itís worth not getting diesel all over my paint from over flow.
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Old 04-10-2019, 07:55 PM   #11
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Seems like this thread question pops up now and then....my 99 American Coach has no issue with large truck stop nozzles....by time I've got windshield clean and walk around tow car, it's full.....

I think it's all a matter of tank vs filler connection placement & your results may vary.
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Old 04-11-2019, 05:31 AM   #12
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Thanks for the feedback.
I guess it is what it is and I'll just have to deal with it.
I only have one fill and do try to look for Flying J's that have the RV Island. I've also used regular gas convenience store stops where we can get in and out with the toad. (It is easy without).
I do like the idea of filling 50 gal at 1/2 tank though.

Thanks again,
Wm
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Old 04-11-2019, 07:29 AM   #13
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I do like the idea of filling 50 gal at 1/2 tank though.
It's still slow going, though.


On my last coach the filler tube was only about 2" and almost level, going into the top edge of the fuel tank. The reason for that was the floor of the coach body - the filler opening could not be placed any higher. A smaller fuel tank capacity would have allowed the tube to enter the tank at a lower point and improve the slope of the tube, but the 150 gallon capacity was and remains a selling point. The filler vent, though, was inadequate size and positioned so that the first frothing of the diesel fuel plugged the vent, guaranteeing instant splash-back. However, a secondary location for a larger vent is a design nuisance for coach body builders, so the chassis builders don't provide one.
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Old 04-11-2019, 07:36 AM   #14
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I've had the same problem, but generally only at the start. I get a blow back of fuel, I wait for that to clear, then it comes out normally.

Because I'm not all that bright at times, I'm going to try to pop just a bit in, let that settle, and then start trying to increase the filling rate. I don't have dual-side fill ups, so maybe it is just a simple plugged vent somewhere (I'll try to check this weekend, if I remember) or maybe there's something with pressure build up that needs to be cleared.
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