: rear axle vent
LT1SCOUT 01-09-2005, 10:55 PM if'n you dont think this is hardcore enough, click the back button
wheres the rear axle vent? i shoulda just drilled and tapped a hole in the rear pumpkin when i had the axle apart but i didnt. the two holes in the tubes both had regular bolts holding the brake lines down. should there be some kind of gundrilled bolt in there? this seems like a bad place for a vent since the pressure is built up inside the pumpkin and has to push past the inner seals to get into the tube. anyways, what are you guys running in the bolt hole to allow for venting?
MochaMike 01-09-2005, 11:09 PM i shoulda just drilled and tapped a hole in the rear pumpkin
Yes.
IHScoutman14 01-09-2005, 11:46 PM were you planning on giving a year or axle model?
Buckshot33 01-10-2005, 12:08 AM I dont know where you get it or what the part number is but this is a pic of what mine looks like. its probably stock and 30 years old but thats whats in mine.
http://www.merc583.addr.com/mopar/p15jpeg/goto_photos/axle_vent.jpeg
ChiScouter 01-10-2005, 12:55 AM What do you some of you guys have against the BB?? If you can't figure out the vent setup on a Scout 44 it seems in my fawked up way of thinking that the BB is a good place to find out. It seems like there is a growing momentum to turn this board into a a BB clone. This place used to be a place for harder core tech and a more edgy attitude, now its more about stock 44 vent locations, and guys telling us to use the back button if we don't like it. How about this, Buy a factory service manual if you cant figure out a stock vent setup and can't find the BB :confused:
Urban Wheeler 01-10-2005, 07:51 AM Buy a factory service manual=teh BB. :rolleyes:
The vent is either in the location pictured or is just a hole drilled in the tube. If you put a bolt in place of the vent you will blow oil out your seals.
RustoleumWhite 01-10-2005, 08:07 AM Drill and tap the pumpkin, put in a nipple then run a remote hose up to a cheap fuel filter in a "high" up location (loop in the hose helps to).
Best to do before the diff is assembles, but you can do it with a rag and some grease.
you will have to pull the cover and drain the oil (duh).
The original vent it like folks have said, a special bolt that holds the brakeline on.
ihojeff 01-10-2005, 08:41 AM Some of the earlier SII housings had a pinhole drilled on the left axle tube near the u-bolts for a vent. I usually weld them shut and put an actual vent as pictured earlier as they are pretty messy when left like this.
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Eagle-Mark 01-10-2005, 10:57 AM I don't know where you get it or what the part number is but this is a pic of what mine looks like. its probably stock and 30 years old but thats whats in mine.
http://www.merc583.addr.com/mopar/p15jpeg/goto_photos/axle_vent.jpeg I've seen them put back together with a bolt instead of a vent. Yes when it build pressure you will puke gear oil out the wheel bearing seals into your brakes.
If you pull that cap off make sure it's not full of crap (pun intended) and install a vent line. Make sure to give it slack for flex. I ran mine up inside the right taillight with a loop so the water would have to be higher than the taillights and still loop to get into the rear.
Do a search for it on:
http://www.justinternationals.org/Binder-Bench/
There was a thread on it and venting everything there.
I found a way to read only hard core threads here. Go to the forum of your choice and hit control, alt and delete at the same time twice and all the low tech threads will disappear. Works way better than the back button. :flipoff2:
LT1SCOUT 01-10-2005, 11:05 AM thanks for the tips fellas. bored and thought id ask a simple question for a simple answer. i just got the pumpkin back together so ill just look for a vent like buckshot showed until i swap the welded diff out for a detroit and ill drill and tap then. by the way, its a d44. it had a regular bolt in the hole. ill have to look for the pinhole b/c the seals were still good.
i saw them tap a hole in the oil pan of a 89 iroc z "with a rag and some grease" on that full throttle show. they didnt want to drop the pan so they just tapped it in place. stupid if you ask me.
oh hey, chiscouter, "On jackstands, rusty ones" so stfu. what? are you waiting on grant to fire his cnc plasma cutter back up? maybe shadowman will ask you how to build a gyroscopically controlled self-leveling pneumatic suspension. would that he "hardcore" enough for you? in the meantime, sit-back, shut-up and answer my stupid questions.
Shadow man 01-10-2005, 11:39 AM While you guys are giving each other chit over the vent hole this is what I do to my rigs. You know the ones that see deep water such as crossing streams in Montana that look like a foot deep but really are 5 ft!! :eek: Do you know how fast your races and bearings will rust? Quicker than you can drain the contaminated fluilds.
Anyways, I run some positive pressure to the diffys, tranny and t-case. About a pound or 2. Keeps the water out. Not high tech and is a Little bit of work, but worth it. :)
Eagle-Mark 01-10-2005, 01:56 PM That's the way the fording systems work on the military vehicles I've seen. They run vented till the fording switch is thrown and it will pressurize everything including the motor. All run through one main line with a tee for each trans transfer etc...
Of course they have intake and exhaust snorkels as well.
Having a clutch fan would help to that deep or turn off an electric.
Binder 01-10-2005, 03:39 PM You have inner seals in your rear 44????????
I would drill the hole in the tube and tap it. Use slight air pressure through the fill plug and it will blow all the shavings out the hole while you drill and tap it.
Sixty-Ninth Airborne 01-10-2005, 05:40 PM [QUOTE=Eagle-Mark]
Of course they have intake and exhaust snorkels as well.
QUOTE]
Why do they run a snorkle for the exhaust? I've seen boats that dump the exhaust under water...just curious.
Snoopy 01-10-2005, 06:02 PM Preasure ~ thats the way to do it.
Rock Tractor 01-10-2005, 06:55 PM :rolleyes: WTF
Urban Wheeler 01-10-2005, 07:04 PM Of course they have intake and exhaust snorkels as well.
Why do they run a snorkle for the exhaust? I've seen boats that dump the exhaust under water...just curious.
In a boat the motor sits a lot higher that what your motor would when fording.In some cases, the motor is under water. If the motor should happen to die, water is going to back up in the exhaust snd possibly get into the motor.
Ever try to start a motor when the exhaust is under water? I have, and it is a bitch.The starter has to work double time to not only turn the motor over, but also to build enough exhaust pressure to push the water out of the pipe. Makes for slow cranking and hard starting
Urban Wheeler 01-10-2005, 07:07 PM Anyways, I run some positive pressure to the diffys, tranny and t-case. About a pound or 2. Keeps the water out. Not high tech and is a Little bit of work, but worth it. :)
I've heard of guys doing that to their bellhousings, to keep water out of the clutch.
LT1SCOUT 01-10-2005, 08:01 PM You have inner seals in your rear 44????????
I would drill the hole in the tube and tap it. Use slight air pressure through the fill plug and it will blow all the shavings out the hole while you drill and tap it.
i actually didnt take the diff out of this one, but im assuming so. the wheel bearings are not wet. i gotta pack em and the tubes were dry. are you saying this b/c 44's dont have inner seals or b/c you think i should be running wet wheel bearings?
Eagle-Mark 01-10-2005, 08:30 PM i actually didn't take the diff out of this one, but I'm assuming so. the wheel bearings are not wet. i gotta pack em and the tubes were dry. are you saying this b/c 44's don't have inner seals or b/c you think i should be running wet wheel bearings? Lots of arguments here but since were talking under water I'll through my two cents in the pot.
** WARNING THIS INFORMATION MAY NOT BE HIGH TECH! PARENTAL GUIDANCE IS ADVISED. **
If you have two seals one on each side of the bearing there is no vent. When a bearing or the whole differential is warm it expands, when it cools very quickly it sucks in water from the out side, not just leaks in. So the rear wheel bearing between to seals has no space really. You just drive through a little stream and it cools quick and sucks in water.
Look at how boat wheel bearings have the hub. It is not full, it is half full and under pressure from a spring so when this happens it contract to avoid water coming in.
So pull the inner seal, add the vent (or pressure) and change out the diff cover for a higher fill hole to have the proper fluid level to lubricate the wheel bearings.
Shadow man 01-10-2005, 11:49 PM i actually didnt take the diff out of this one, but im assuming so. the wheel bearings are not wet. i gotta pack em and the tubes were dry. are you saying this b/c 44's dont have inner seals or b/c you think i should be running wet wheel bearings?
Remember there were 2 different 44s under Scout IIs. At least that I ran into. Someone out there would know the specifics with these little axles. :D
Anyways, I have seen the axles that have oil seals just inside the housing, next to the inner side of the axle bearing, that retains the gear oil and the wheel bearings are grease lubed. I think that was with my 72. I even installed grease zerks on it to purge the axle bearings. On my 77, there was no inner oil seal and the axle bearings were oil bath lubed from the diffy oil. So get your rearend checked out! :flipoff2:
ChiScouter 01-11-2005, 09:14 AM thanks for the tips fellas. bored and thought id ask a simple question for a simple answer. i just got the pumpkin back together so ill just look for a vent like buckshot showed until i swap the welded diff out for a detroit and ill drill and tap then. by the way, its a d44. it had a regular bolt in the hole. ill have to look for the pinhole b/c the seals were still good.
i saw them tap a hole in the oil pan of a 89 iroc z "with a rag and some grease" on that full throttle show. they didnt want to drop the pan so they just tapped it in place. stupid if you ask me.
oh hey, chiscouter, "On jackstands, rusty ones" so stfu. what? are you waiting on grant to fire his cnc plasma cutter back up? maybe shadowman will ask you how to build a gyroscopically controlled self-leveling pneumatic suspension. would that he "hardcore" enough for you? in the meantime, sit-back, shut-up and answer my stupid questions.
Because I am not is a situation to be able to finish my rig right now I should stfu...........Because you are either too stupid, lazy, or bored to figure how your axle is vented I should stfu? With that kind of logic its no wonder you don't know the difference between basic scout questions and the tech that Shadow and Grant have given out here.
I have learned a lot from Shadow and Grant, they are the kind of guys who keep this board in some interesting tech, not the morons like you who can't figure out how his axle is vented. There are other guys who used to post a lot of good tech here, but they don't so much anymore. They are still pushing the envelope but don't share it here so much anymore. They seem to think this board is getting watered down and soft. Before you tell me to stfu again you might want to wonder why they feel that way :idea: :idea:
This thread has turned out pretty interesting in spite of your initial lazy dumbass question. I thank those who shared some interesting information. You want to keep this up..........keep telling me to stfu.
troutbum 01-11-2005, 09:19 AM would that he "hardcore" enough for you? in the meantime, sit-back, shut-up and answer my stupid questions.
you are a dumb fawk :shaking:
You ask a dumb noob question and when you get called on it you play the hardass.
CJ5-Man 01-11-2005, 12:11 PM don't let 'em get to ya johan :flipoff2:
Eagle-Mark 01-11-2005, 12:21 PM There goes another good conversation down the tubes by the hard core elitist who know everything and share nothing but there desire to fuck up anything that doesn't put them in the center of attention.
Since there's such a gathering of hard core assholes here, why don't you guys post something interesting? Or are you just dumb fucks that sit back and TROLL the posts looking for a way to insult others.
Come on! Post up some real high tech hard core shit! Get off the chair go out in the garage and take a picture of your hard core jack-stands and show us newbies how to do it!
Diesel Smoke 01-11-2005, 01:20 PM [QUOTE=Eagle-Mark]
Of course they have intake and exhaust snorkels as well.
QUOTE]
Why do they run a snorkle for the exhaust? I've seen boats that dump the exhaust under water...just curious.
Its the water pressure. With the exhaust on a boat on the stern, the most it will be under water is maybe a foot. A truck on the other hand sink and leaves an unsnorkled exhaust under 3-4 feet of water. At this pressure the water is forced up the exhaust pipe with tremoundous pressure, enough to kill the engine.
Old Scout 01-11-2005, 01:49 PM Its the water pressure. With the exhaust on a boat on the stern, the most it will be under water is maybe a foot. A truck on the other hand sink and leaves an unsnorkled exhaust under 3-4 feet of water. At this pressure the water is forced up the exhaust pipe with tremoundous pressure, enough to kill the engine.
Boats use an exhaust riser to keep water out of the engine not pressure.
Eagle-Mark 01-11-2005, 02:40 PM Boats use an exhaust riser to keep water out of the engine not pressure. What is that? Part of the out-drive or engine exhaust? I thought on boats I/O it was because the way the exhaust was higher than water line...
My original understanding of the military fording version was it would idle easier with no pressure and not stall when the exhaust was extended above water. Also the military fording version would leave the pressure on when parked, underwater. But where did it get pressure? I never saw or thought of that intake also above water.
Old Scout 01-11-2005, 03:05 PM What is that? Part of the out-drive or engine exhaust?
Risers on a Vdrive 440. Straight drive inboards and I/Os have them as well.
Diesel Smoke 01-11-2005, 03:10 PM Risers on a Vdrive 440. Straight drive inboards and I/Os have them as well.
OS,
Thanks for the info, and pic, I thought it was something along those lines. I knew it wasn't just the exhaust pressure that prevented the water from going up the pipe.
Binder 01-11-2005, 03:46 PM There goes another good conversation down the tubes by the hard core elitist who know everything and share nothing but there desire to fuck up anything that doesn't put them in the center of attention.
Since there's such a gathering of hard core assholes here, why don't you guys post something interesting? Or are you just dumb fucks that sit back and TROLL the posts looking for a way to insult others.
Come on! Post up some real high tech hard core shit! Get off the chair go out in the garage and take a picture of your hard core jack-stands and show us newbies how to do it!
So are you saying that if I post some pics of the stuff I've been building you'll shut up? :rolleyes:
Urban Wheeler 01-11-2005, 08:28 PM Boats use an exhaust riser to keep water out of the engine not pressure.
I figured that the simple fact of a boats motor being above water would be enough to keep water out. Learned something new.
LT1SCOUT 01-12-2005, 01:21 AM nah, nobody's getting to me. i just wanted to play hardass for a minute and dont like doing it to someone that just asks a dumb question. oh yeah, and id never used stfu before so i thought it be fun.
troutbum 01-12-2005, 04:56 PM There goes another good conversation down the tubes by the hard core elitist who know everything and share nothing but there desire to fuck up anything that doesn't put them in the center of attention.
Since there's such a gathering of hard core assholes here, why don't you guys post something interesting? Or are you just dumb fucks that sit back and TROLL the posts looking for a way to insult others.
Come on! Post up some real high tech hard core shit! Get off the chair go out in the garage and take a picture of your hard core jack-stands and show us newbies how to do it!
:rolleyes:
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