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| how deep is too deep http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=23156 |
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| Author: | jb'sKJ [ Mon Aug 06, 2007 5:15 pm ] |
| Post subject: | how deep is too deep |
hi folks! i'm going to an off-road meet this week-end and was wondering how deep i can take the kj if i don't want to have to change the fluids afterwards? thanks jon |
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| Author: | SoDakJeep [ Mon Aug 06, 2007 5:19 pm ] |
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20 inches is what jeep says hahaha but dont listen to them....i have been up to the bottom of the headlights no problems although i wouldnt recommend it...check to make sure your breathers are working and not cracked. There was someone on here like just last week maybe that wrote something about his breather tube was cracked. Now he has to get a new rear end because of water....just keep it safe and check everything and you should be fine.... |
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| Author: | BeepBeepJeepJeep [ Mon Aug 06, 2007 5:23 pm ] |
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SoDakJeep wrote: 20 inches is what jeep says hahaha but dont listen to them....i have been up to the bottom of the headlights no problems although i wouldnt recommend it...check to make sure your breathers are working and not cracked. There was someone on here like just last week maybe that wrote something about his breather tube was cracked. Now he has to get a new rear end because of water....just keep it safe and check everything and you should be fine....
That was me 
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| Author: | SoDakJeep [ Mon Aug 06, 2007 5:27 pm ] |
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AHHH yes ^ beepbeep went to deep hahaha. |
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| Author: | Jeep Dawg [ Mon Aug 06, 2007 7:13 pm ] |
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Hey, Where is the breather located? and what does it look like? I have never checked mine and I go thought deep water from time to time. |
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| Author: | wildrussian [ Mon Aug 06, 2007 9:44 pm ] |
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You guys need to check the tech section there is article on how to extend the breathers, its not too hard to do and if you are planning on being in the water you should do it. |
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| Author: | Maximum Carnage [ Mon Aug 06, 2007 10:20 pm ] |
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Here you go. http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?t=7229 |
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| Author: | KJ4ME [ Mon Aug 06, 2007 11:20 pm ] |
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im a little retarded so be patient, what are breather tubes, i mean what do they do???? |
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| Author: | Pablo [ Mon Aug 06, 2007 11:33 pm ] |
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KJ4ME wrote: im a little retarded so be patient, what are breather tubes, i mean what do they do????
They let your diffs, transfer case, and tranny vent air. These heat up and cool down during operation. If they did not have a vent to vent the excess pressure (air), they would blow your seals instead. |
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| Author: | DarbyWalters [ Mon Aug 06, 2007 11:45 pm ] |
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Think of them as a swimming snorkel... |
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| Author: | scoobysnax [ Mon Aug 13, 2007 7:47 pm ] |
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At what point will water actually start coming in your doors or effecting the electrical components like the sterio? I hope it's more than 20" but I have a feeling is less than the headlights. |
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| Author: | RQuarte [ Mon Aug 13, 2007 8:06 pm ] |
| Post subject: | |
Extend the breathers! Best $15 ever spent! |
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| Author: | BeepBeepJeepJeep [ Mon Aug 13, 2007 9:13 pm ] |
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scoobysnax wrote: At what point will water actually start coming in your doors or effecting the electrical components like the sterio? I hope it's more than 20" but I have a feeling is less than the headlights.
You don't have to worry about the electrical components, they're well protected. Your only real concern is getting water sucked in through the intake (after you extend the breathers). I believe stock you can go about halfway up the door... |
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| Author: | Dje Ryu [ Mon Aug 13, 2007 9:21 pm ] |
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After you extend the breathers, take a look at your foam door seals. The start/end point is at the bottom of the door frame. Take that off, start it from the top, end at the top, use a little glue of some sort to keep it from falling, if you feel it's necessary. (mine haven't sagged, yet) Then you don't need to worry about internal electronics. I'm lifted 2.5" and I've had mine as deep as the "Liberty" trim on the side of my doors (not really sure exactly how deep that is) but I've never had water come into the cabin. |
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| Author: | XJMA [ Tue Aug 14, 2007 1:01 am ] |
| Post subject: | |
Stay the F away from water at all costs! You can either take peoples advice, or learn the hard way. I know forging through deep water looks cool in commercials...but it's really not a capability thing...it's a stupidity thing!! That being said, for a brief dip, like an easy crossing that you know you can make, as long as it's not going to go over the intake, you'll be cool. IF it's a long river crossing, be careful with speed, you'll make a wake. Wait till the other person has gone and the wakes have died down, and get in low gear, low range so that you can get the idle as high as you possibly can, and drive somewhat slowly, keeping momentum, and keep that wake infront of you. If you hear water go into the intake, shut the motor off immediately....or you will blow the motor up. In terms of going in the intake, water is an incompressilbe fluid. So if it gets into your cylinder and your piston tries to compress it....say buh-bye to the motor. Don't try to show off crossing water. Don't be afraid to say you won't cross water....let people make fun of you, your jeep will still work the next day!!! Now if people try to coax you into climbing up a rock that you dont' think that you can, do it!! Rocks don't hurt motors....they're fun! In general, you're more than safe if you're only halfway up the tires. Once the entire axle is submerged, you're breather tubes better be in good shape. If you get past halfway up the axle, you're going to want to just check the fluids once you get a chance. 50 miles of driving on contaminated gear oil isn't going to kill a diff. A few hundred miles of driving on contaminated gear oil will. Greyness, whiteness, or any discoloration, and bubbles are a sign that water contaminated your fluids and they need to be changed. Now, that being said, I've been in water up past the headlights....intake barely above water. If you really must try a mud hole with deep water, make sure you're ready for a quick recovery. Have a strap hooked up already, just pull it in the passenger window, close in in the lift gate window, tie it up top, whatever. Have people ready on either side for a swift recovery. That will minimize the chances of you soaking your interior. If you have subs/amps, disconnect them. Waterproof all electrical connections with dielectric grease, especially plug wires, and the bottom of the distributor cap. This will keep the motor running if you're stuck in water above the doors. No matter how new the door seals are, eventually water will start coming in. Girls will panic and scream, it's your job to keep your head! Damage control time. i If you did succumb to peer pressure (it happens to the best of us) and try that impossible mud hole with deep water, once you get out, you want to get the water out of the interior ASAP. Cups to bail the water out. It's gonna smell bad. You'll have you work cut out for you. Not sure where the floor drain plugs are in a KJ, but look underneath and if you can't pull them from there, cut a hole in the rug and get them out. Drive around like that for a few days, it helps. You'll have to pull the rug out and it will be salvageable, just needs a good cleaning, resolve, etc. Make sure it's good and dry before you put it back in. You'll also need to pull the insulation out form under the carpet. That will be junk. It absorbs water and just doesn't even want to dry out. If you don't pull it out, you'll have water sitting on your floor pans until they rust through. Not sure how many people rhino line the interior of KJs...but if you're into water crossings, it's the way to go. You can put carpet back over the rhino liner. You will have lost some of the sound deadening...so the highway ride will be louder, for those who care. ETC ETC ETC....yeah I'm rambling on. Hopefully this rant of mine will help to deter people from trying water crossings. They're not worth it. Let the other guys do it, and let them call you a pu$$y. |
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| Author: | dirtykj [ Tue Aug 14, 2007 1:10 am ] |
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XJMA wrote: Not sure where the floor drain plugs are in a KJ, but look underneath and if you can't pull them from there, cut a hole in the rug and get them out. Drive around like that for a few days, it helps. You'll have to pull the rug out and it will be salvageable, just needs a good cleaning, resolve, etc. Make sure it's good and dry before you put it back in. You'll also need to pull the insulation out form under the carpet. That will be junk. It absorbs water and just doesn't even want to dry out. If you don't pull it out, you'll have water sitting on your floor pans until they rust through.
I've had to pull the carpet out once. I didn't see any drain plug under the carpet. It was quite a job pulling all the seats out by myself. You're absolutely right about the undercarpet insulation. It really needs to dry outside, in the sun. There's no way to ensure that the carpet and insulation dries properly except by removing the carpet. On the KJ, you have to: Pull the front seats (disconnect underseat wire harness) Pull the rear seats (separate the 60/40 split seats first) Pull the floor console (disconnect two wire harnesses) |
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| Author: | XJMA [ Tue Aug 14, 2007 1:24 am ] |
| Post subject: | |
dirtykj wrote: XJMA wrote: Not sure where the floor drain plugs are in a KJ, but look underneath and if you can't pull them from there, cut a hole in the rug and get them out. Drive around like that for a few days, it helps. You'll have to pull the rug out and it will be salvageable, just needs a good cleaning, resolve, etc. Make sure it's good and dry before you put it back in. You'll also need to pull the insulation out form under the carpet. That will be junk. It absorbs water and just doesn't even want to dry out. If you don't pull it out, you'll have water sitting on your floor pans until they rust through. I've had to pull the carpet out once. I didn't see any drain plug under the carpet. It was quite a job pulling all the seats out by myself. You're absolutely right about the undercarpet insulation. It really needs to dry outside, in the sun. There's no way to ensure that the carpet and insulation dries properly except by removing the carpet. On the KJ, you have to: Pull the front seats (disconnect underseat wire harness) Pull the rear seats (separate the 60/40 split seats first) Pull the floor console (disconnect two wire harnesses) I'd rather be called a pu$$y! |
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| Author: | wildrussian [ Tue Aug 14, 2007 7:10 am ] |
| Post subject: | |
Sometimes water crossings are unavoidable so I guess Im going to follow your advice and make the best of it. |
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| Author: | XJMA [ Tue Aug 14, 2007 9:15 am ] |
| Post subject: | |
Speaking of water crossings....this guy's got a snorkel, and his electronics are pretty well waterproofed.....he just got in so deep that he started floating!chn He probably has to change all fluids ASAP. Notice how he kept the engine revved, because the intake was above water, but the exhaust was not, so he needed enough pressure coming out the tailpipe to keep water from coming in. http://www.youtube.com/watch?v=3EgFTeRRP5w |
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| Author: | dirtykj [ Tue Aug 14, 2007 9:16 am ] |
| Post subject: | |
XJMA wrote: I'd rather be called a pu$$y!
Heh, well, it wasn't from crossing water  My five year old got too excited about playing his new game one evening and forgot to roll up the window. It was pouring that night and the interior carpet got soaked badly ...
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