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Master "Yota"
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Hey Guys, if I want to make my truck capable of crossing deep water, aside from a snorkel what else needs to be sealed up, and what do I use. I know the electrical systems should be sealed. Would I just use a good automotive silicone? Any info would help. I want to do it right because I've heard that a snorkel alone is not enough to cross deep water, and you can still do some major damage. I'm inspired by the trucks I've seen in the outback and in other parts of the world that traverse some really harsh terrain. On that note I just recently got back from Jamaica, and there has to be more Tacoma's per capita than any where else in the world. I swear every other vehical I saw was a Tacoma. It was kinda cool.
 

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4wheel drive and offroad magazine did a thing on waterproofing your truck's engine compartment a while back...don't remember much in particular that it said, but you might try to search their website for that article or back issue info...
Ryan
 

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tbrown said:
Hey Guys, if I want to make my truck capable of crossing deep water, ..... I know the electrical systems should be sealed.

How deep? Flowing over the hood? :eek:

The electrical system is NOT sealed very well (see alternator) and the ECU(s) would be heavily damaged by any water. Don't forget the fan!

Maybe you can find a Mil. Spec Toyota form the Japan Army,that would make a good start
 

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tbrown said:
Hey Guys, if I want to make my truck capable of crossing deep water, aside from a snorkel what else needs to be sealed up, and what do I use. I know the electrical systems should be sealed. Would I just use a good automotive silicone? Any info would help. I want to do it right because I've heard that a snorkel alone is not enough to cross deep water, and you can still do some major damage. I'm inspired by the trucks I've seen in the outback and in other parts of the world that traverse some really harsh terrain. On that note I just recently got back from Jamaica, and there has to be more Tacoma's per capita than any where else in the world. I swear every other vehical I saw was a Tacoma. It was kinda cool.


My suggestion would be to seal the floorboard somehow as high as you can. The plastic strips that run along the bottom of the door on the edge of the carpet remove them.. plug up the holes.. you may want to pull up everything and put sealent over any holes there and put everything back in while the sealent is wet. Any of the bolts for the seats, seat belts, center console are going to let water in.. So that's where I would start.
 

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Master "Yota"
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atwinda said:


My suggestion would be to seal the floorboard somehow as high as you can. The plastic strips that run along the bottom of the door on the edge of the carpet remove them.. plug up the holes.. you may want to pull up everything and put sealent over any holes there and put everything back in while the sealent is wet. Any of the bolts for the seats, seat belts, center console are going to let water in.. So that's where I would start.
What did you use to seal up your rig, or did you flood your interior?
 

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tbrown said:
What did you use to seal up your rig, or did you flood your interior?
I sealed the floor after that... I got a little bit of water in the cab that time. THe thing that sucks is that you'll have to reseal it if you take apart your interior any time after that... I just used standard silicon sealent.
 

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I've been through the pond below when the water was up to the windshield and had no issues as long as I was moving. On another occasion I got stuck and filled the cab with about 3" 's of water and wrecked the AC system. Make sure your diff breathers are moved up and never stop. If you get stuck, kill the engine and make sure you drain and dry everything before starting it again and you'll be fine. Most of the expensive stuff that can be damaged can't be protected by waterproofing like Cruise control module, ECU etc.
 

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yeah, I fell in a hole one time that put water in my interior all the way up to the seat bottoms and filled my floor boards w/ water all the way up to the bottom of the dash (so about 1.5 feet of water in the cab) and I will tell you that the water was coming in so fast that I highly doubt that there is any way to effectively seal the cab against water that high (it was up to my windows). On a positive note: on the way into the hole I killed the motor and started unhooking my seatbelt and when we finally got it yanked out and towed home, I dried and cleaned what I could and everything worked fine and still does and that was about 20,000 miles ago...I just avoid water now...
Ryan
 

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Well I play in water alot. I have had water rush over the cab and flood in the bed over the side of it. Hell I even had water in the cab over the damn seat. That was really funny. Here is what I have done. I have added ansorkel and sealed the entire system with sensor safe sealer. This includes all the pieces of the factory air intke tubing and tha air box holes. I have used die electric grease on my distributer cap and plag wires at both ends. I have also sealed the base of the cap.I also used it in my fuse block under the hood. Then coated all terminal with an anticorrosive. I also relocated the control module that is mounter on the tunnel inside the truck to a higher level. I have never had a problem.

Most people won't go into the stuff I will but then again this is not my daily.

Just remember this water general doesn't come in when your moving. It's when you stop that you get in trouble with the cab flooding. You could remove the carpet and stuff and work on sealing up some of those cheap plastic caps toyota put in the floor board to seal out the light moisture kicked up by rain but in the end if you stop in wter deeper then the floor boards you will get water inside the cab.

If you're gonna push the envelop I would remove your carpet and get a vinyl floor instead. Removeing that stuff only takes about 20 min once you have done it a few times so it's no big deal.
 

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Do you guys feel it necessary to change the diff. & transfer case oils after a water crossing even if you have the proper breather mods done? I plan on doing the rear breather mod to my truck but I really don't need to. My truck never sees water.
 
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