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What do you use Dave? The fuel filter or the vented cap? I'm using the vented caps ever since the truck rolled off the production line. Never had any issues. I do go off road.
To tell the truth I dont remember what it has but I know it dose not have a filter on the hose.
If you do hard core off roading or the truck sits for a long time, mine dose not sit long, then the filter is the way to go.
We have mudd dobers and they will make a home inside that hose plugging it off solid. With the filter they would only be able to make a home in the filter and it would not get plugged unless they made it at the end but you can see it on the plastic filter.
Now I am going to have to get under there and look thanks
Originally Posted by Max Capacity
About those used to be cheap gas line filter for small engines. After seeing them for $6.00 or more, I found home depot had a $4.0w/tax, one online. It took a week or so, to get to the store, but it showed up the other day, I installed it on the JD. It was larger dia. than the old one but works great.
My JD is fuel injected, pump in tank, so my filter uses hose fittings like our EFI trucks do.
The filter I am talking about is the carb type that go in a rubber hose and uses screw clamps to hold it.
You can get them in 5/16 and 3/8 at any parts store.
I use a 5/16 before the screw in filter at the carb. That is how I got my truck and did not want to try and make a new line from pump to carb and it is nice to have 2 fuel filter.
Dave ----
To tell the truth I dont remember what it has...
We have mudd dobers and they will make a home inside that hose plugging it off solid. With the filter they would only be able to make a home in the filter and it would not get plugged unless they made it at the end but you can see it on the plastic filter.
Now I am going to have to get under there and look thanks
Dave ----
Sorry about your memory. I miss mine too
Going back to the OP's issue, first he needs a hose to plug something into. The other Dave pointed out that his is plugged off at the axle. Heck I thought he had the regular vent hose cap but I see that photo was Max's truck!
I don't know much about mud dobbers but those vent hose caps don't have much room for anything to climb into. I would say the open ended fuel filter would be more attractive to bugs looking for a hole to make a home. I'd stick with the regular vent hose cap.
The other day I had to clean out a rubber hose for something and found it plugged had to use water and ram something thru it to clean it out.
I think the end of the filter is too small for the dober to get into but if it dose it can only go as far as the filter part and you can see if anything is in it.
I got them damn dobers in my hose garage. They make their homes in corners out of mud and when dry it is like cement.
Dave ----
If you are in mud dobber country it's probably worth a look to check your diffy vent hose cap. You'd be able to see any activity that might plug it off.
The plug is splined and there's not much room for anything to crawl in there. Plus it's overhanging cap will keep out water. I think the fuel filter could attract moisture being open on the end. I haven't even checked my vent caps more than once in 38 years. I'll put it on my to do list.
Plus I'm cheap. I'd rather use the free one in there than a 6 buck filter. If you needed one you can probably find plenty of them in your local pick n pull. Any vehicle would likely work. Most yards might not even charge anything, if they do it's probably a buck for the hose and cap.
Wow, it must be nice to have to have so much room that you’ve got a separate garage just for hoses. I’ve only got the one small garage and it’s pretty cramped with all sorts of things.
Looking at the Garagemahal site I found this page about venting the rear differential. It says that most of the time Ford did vent the rear axle but sometimes it did not. Could mine have been one that was not vented for a reason? The plug "looks" factory to me and not some hack job. But I would not know - you all would. I will give it a shot in venting this myself. Is there any Murphy's Law issues in this process? Any tips or tricks I need to follow? https://www.garysgaragemahal.com/rear-axle-vents.html
I appreciate all the insight you have given me. BTW, I did add some gear oil in the differential and it was low.
Looking at the Garagemahal site I found this page about venting the rear differential. It says that most of the time Ford did vent the rear axle but sometimes it did not. Could mine have been one that was not vented for a reason? The plug "looks" factory to me and not some hack job. But I would not know - you all would. I will give it a shot in venting this myself. Is there any Murphy's Law issues in this process? Any tips or tricks I need to follow? https://www.garysgaragemahal.com/rear-axle-vents.html
I appreciate all the insight you have given me. BTW, I did add some gear oil in the differential and it was low.
I have never seen any rearend, any gearbox for that matter, that was not vented. All gearboxes heat up and build pressure when they are running. Even your transmission has a vent on top. If you have 4x4 you will find a hose leaving your transfer case, it is vented also.
It says that most of the time Ford did vent the rear axle but sometimes it did not. Could mine have been one that was not vented for a reason?...
Per Gary’s comments:
“apparently some of the axles were not vented that way“
I do not think he’s saying some axles were not vented at all. Rather, his statement implies some other method was employed.
On other brands, I’ve seen a vent as simple as a small hole drilled in the axle tube. It’s usually near the spring perch, on the aft side close to the top. Bean counters no doubt love this version, as it is cheaper to produce. And this small hole does get plugged easily.
No idea if Ford ever used this method, but it would not surprise me. If up for some abuse, you could poke around with a wire brush in search of this mythical vent. Or you could simply convert your existing arrangement.
I have never seen any rearend, any gearbox for that matter, that was not vented. All gearboxes heat up and build pressure when they are running. Even your transmission has a vent on top. If you have 4x4 you will find a hose leaving your transfer case, it is vented also.
All:
Here is an update. You all are good-- real good. I got under the truck and found that what I thought was a capped rear differential was in fact a chuck of rotted tubing and a mud plugged vent pipe.
I pulled off the old piping and went down to the auto parts store and bought a 5/16" replacement tube and put it on. I have it resting up under the bed facing the front of the truck - and I zip tied it up there so it would not fall down.
I will drive the truck this weekend to see if the leak returns. I assume that it could since the built up pressure from the plugged vent might have blown the pinion seal. We shall see.
It gives me confidence being able to do this types of projects. It was easy and I do appreciate all the help that you gave to me.
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