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Ok, here's a stupid question. With a stock Pro 4X the ground clearance is listed as 10 point something inches. With that in mind, what's a rough estimate of the depth of water I could go through, without a problem. This assumes some obvious disclaimers, such as I don't go through at 50 miles per hour, I'm not driving through a rushing river, etc. The main thing I'm wondering is what would be the height of the first thing that one really wouldn't want submerged...maybe it is actually right at the 10" ground clearance, maybe less, maybe more. It would be nice to know for sure just to be safe, as I find myself driving through water fairly often.
 

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keep the water below the intake.
 

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rear diff breather is good have as well otherwise water can get in the rear axle and cause issues
 

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rear diff breather is good have as well otherwise water can get in the rear axle and cause issues
Very important! This mod will cost you about $10. And I'm going to guess you probably won't be going through water that's over your tires. If you are get a snorkel:)
 

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with a diff breather the next thing I'd be concerned about is door seals.

My personal limit is the sliders. If it's deeper than the sliders, then i'd have to rely on door seals to keep water out of the cab. Since it's my daily driver, I have zero interest in letting water/mud inside.

Next in line of concern is the air intake. If I KNEW that the door seals would keep things sealed, I'd get a snorkel and go boating!
 

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With the removal of the front seats I have found some holes in the floor that are not sealed(nah, they aren't from the bolts i removed to get the seat out :) ), crazy eh? Maybe they are there for liquid drain but bad because they can also cause liquid FILL, check for those!
 

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With the removal of the front seats I have found some holes in the floor that are not sealed(nah, they aren't from the bolts i removed to get the seat out :) ), crazy eh? Maybe they are there for liquid drain but bad because they can also cause liquid FILL, check for those!
those are body plugs. Every car has has.


AS for the door seals, as long as you are not crossing a river with a lot on current or have the truck just setting still in the water they will hold.
 

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if you submerge the horn, it might not work for a while, then it will sound really pathetic for a while and eventually, it will get back to normal.
 

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if you submerge the horn, it might not work for a while, then it will sound really pathetic for a while and eventually, it will get back to normal.
the 05s come pathetic from from the factory



I haven't gotten out and measured but eye witness told me I have been 3 inch above the bottom of the door..
 

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I put my horn underwater and it took it about 3ish months to start working again
 

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with a diff breather the next thing I'd be concerned about is door seals.

My personal limit is the sliders. If it's deeper than the sliders, then i'd have to rely on door seals to keep water out of the cab. Since it's my daily driver, I have zero interest in letting water/mud inside.

Next in line of concern is the air intake. If I KNEW that the door seals would keep things sealed, I'd get a snorkel and go boating!
I have to agree with this. For a DD, pushing it past the sliders/ frame rails it probably going to put you in a situation that you don't need to be in. If you want to push it past that, just make sure you have plan B for work on Monday just in case you end up soaking your truck.
 

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I'm reviving this thread after a trail ride through Richloam WMA this past weekend. Went through some pretty deep water and the door seals held very well. At one point it at least 35" deep because the lifted Jeep on 35's in front of me had his tires completely underwater. The Frontier performed flawlessly and didn't get a single drop in the cab. I have the Brute Force CAI and was praying that it wouldn't suck up any water. After I got home I popped the hood to check things out and at some point the entire engine got covered in water. The air filter was muddy and had gotten wet but didn't suck in any water. I knew it was going to be close when i dropped in a hole and water came over the hood until the rear end dropped in the hole and leveled the truck out!

The rear diff is vented up behind the brake light, so I'm not worried about that. The front diff is vented near the airbox intake, so I probably should change the fluid.

Anyway, I don't want to drop $400 for a snorkel, so I'm brainstorming a way to create a sealed intake box and some kind of homemade snorkel that doesn't look homemade.
 

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dude, if water came up over the hood, without it being a splash effect, then water definitely made it to your vent hose behind the taillights. id check that filter (hoping you used a filter) and make sure its not letting water drip down, or show signs that it had gotten wet.
 

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If ground clearance is 10", then water clearance will be 10" also. Ask Nissan.
 

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Thinking you can safely go thru 3 feet of water without a snorkel is asking to get soaked.
 

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^ that guy in the nissan was getting roosted real bad in the begining.
 

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Ive taken my 00 through bottom of the headlight deep water several times with out a problem. Water will come in the cab given any time besides just a quick dunk. As stated above you could take water into all four of the boxes. Also the alternater can be effected, probably not right away but down the road. The two biggest problems would be getting water in the intake or inside an auto trans.
 

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I try to keep it below the door seals but unfortunately that's not always the case. I've never had an issue, but a few of the X's I go out with have had problems with there throttlebodies and distributors after deep crossings.
 
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