Griff in Fairbanks
AK
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Joined: 04/21/2005
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toedtoes - you probably have a blocked vent or vent hose. Fuel fill nozzles rely on air back pressure to sense when to shut off. A blocked vent/hose would increase sensed back pressure, causing the nozzle to shut off before it should.
If your motorhome has a fuel vapor capture/reclamation system, the charcoal canister is plugged, worn out, or malfunctioning. This is why the canisters are often disconnected.
1970 Explorer Class A on a 1969 Dodge M300 chassis with 318 cu. in. (split year)
1972 Executive Class A on a Dodge M375 chassis with 413 cu. in.
1973 Explorer Class A on a Dodge RM350 (R4) chassis with 318 engine & tranny from 1970 Explorer Class A
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Griff in Fairbanks
AK
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IIRC, fuel vapor systems had a projected lifespan of 10 years when introduced. They were definitely not expected to last beyond 20 years without maintenance and component replacement.
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toedtoes
California
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Joined: 05/17/2014
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Griff in Fairbanks wrote:toedtoes - you probably have a blocked vent or vent hose. Fuel fill nozzles rely on air back pressure to sense when to shut off. A blocked vent/hose would increase sensed back pressure, causing the nozzle to shut off before it should.
If your motorhome has a fuel vapor capture/reclamation system, the charcoal canister is plugged, worn out, or malfunctioning. This is why the canisters are often disconnected.
Nope. Checked all that and no difference. No canister. Just a picky tank...
1975 American Clipper RV with Dodge 360 (photo in profile)
1998 American Clipper Fold n Roll Folding Trailer
Both born in Morgan Hill, CA to Irv Perch (Daddy of the Aristocrat trailers)
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Griff in Fairbanks
AK
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toedtoes wrote:Nope. Checked all that and no difference. No canister. Just a picky tank...
Did you put a pressurized air hose on the vent, to back flush the vent? (Leave the fill cap off when doing so ... and well away from any ignition sources.)
Yes, I've encounter this problem for other people and sometimes solved the problem by back flushing the vent with an air hose.
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Griff in Fairbanks
AK
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Sharp bends or kinked fill hoses will also cause this problem. I make sure fill hoses aren't kinked and prefer bends of less than 45 degrees. For all bends, I try for a 'long sweep' rather than tight bends, to reduce back pressure.
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toedtoes
California
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Yep. All that done. Even replaced filler hose.
With my new tank, I'm not overly concerned at this point. Sometime in the future I may do some more exploration, but I've got some other priority items to work on. With the new tank, this is a minor issue.
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RvFNG76
Michigan
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Joined: 07/14/2017
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Anyone got a good source for finding new rims and also is it normal to have the back 4 rims one style then thr front two a different style????
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Griff in Fairbanks
AK
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RvFNG76 wrote:Anyone got a good source for finding new rims and also is it normal to have the back 4 rims one style then thr front two a different style????
Junkyards, salvage yards, etc. I've been trying to find a source for suitable new rims for over a decade, without any luck unless I'm willing to pay hundreds of dollars per rim.
Yes, big/little wheels does occur sometimes, usually with hotrodders and less frequently with trucks. I'm going to have to go to that on MLP. 16" dual wheel rims on the rear and OEM 17.5" rims on the front. The 17.5" rims are necessary due to the large dual-piston Kelsey-Hayes calipers on the RM350 front axle. (Rear is a standard Dana 70 axle.)
On first impression, this would appear to mean two spares, especially in Alaska. I plan to carry a spare 17.5" tire only. 16" tires are readily available so it shouldn't take more than a day to get replacement, wherever I'm likely to go in Alaska. 17.5" tires are extremely rare, special order only, in Canada and the Lower 48 as well as Alaska. (This all assumes I don't damage a rim ... risk versus weight, space, and other considerations.)
The one exception, in terms of where I might go in Alaska, is the Dalton Highway, also known as the North Slope Haul Road. (You've seen the Dalton Highway if you've watched "Ice Road Truckers" and similar Alaska shows.)
I don't plan on ever traveling the Dalton Highway and would only do so with extensive preparations. (There's a great many other places in Alaska with equal, better, or similar scenery.) There is virtually no repair services along the 414 mile length of the Dalton highway. Just getting repair parts usually takes at least three days and sometimes a week or more. Getting a tow truck takes as long and costs hundreds or thousands of dollars.
Add the fact most of the highway is unpaved, with stretches best described as primitive. So, the Dalton Highway is best described as an extreme tourist excursion, only to be done with careful preparation.
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RvFNG76
Michigan
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I dont mean big little griff i mean i have dished rims in the back but more like regular van wheels in front. Look at my rig on my profile if at all possible zoom in on it and that will explain. I have a 97 f350 dually that all 6 rims match. Now when i do a google search for my rig or the incomplete chassis half it shows all the rims look the same.
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StingrayL82
Nampa, Idaho
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RvFNG76 wrote:I dont mean big little griff i mean i have dished rims in the back but more like regular van wheels in front. Look at my rig on my profile if at all possible zoom in on it and that will explain. I have a 97 f350 dually that all 6 rims match. Now when i do a google search for my rig or the incomplete chassis half it shows all the rims look the same.
Yep, perfectly normal. My 1975 MB300 has regular wheels up front and dually wheels in the back. The spare is a front wheel. I don't like it, but that's how they did some of these rigs. I've tried looking for a way to convert everything over to true dually's all the way around, but it's a genuine PITA to find all the parts to do it, so I gave up.
Fred
Retired Army Guy
2005 Monaco LaPalma 37PST
Workhorse W24 chassis
8.1L Vortec
Allison 2100 MH
Onyx Color Scheme
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