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Old 03-12-2012, 03:31 PM   #1
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Getting it wet

Just got a 2008 jeep rubicon. Getting to take it off road in the Everglades. Just wondering if there is anything I need to address beforehand. possibly up to 30" of water. Has anyone had any problems with water intrusion into axels or any other parts of the running gear. I haven't had a jeep since 79 a cj. These newer jeeps with electronic lockers and all the electronic sensors underneath. Not sure how water resistant they are.
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Old 03-12-2012, 03:56 PM   #2
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Trace the vent tubes from where they leave your differential to where they are anchored. Make sure they are high enough not to get submerged. Rear should be zip tied up around the gas tank filler neck, many people run the front one into the air box or cowl.

I THINK the t-case is sealed, not 100% on that. The bottom end of the auto transmission is sealed, but there may be a vent in the top; i'd tap a nipple into that and run a tube to the air box if so. The manual transmission is sealed up to the point of the shifter, as far as the internals are concerned, but there is a gap at the bottom where the clutch and flywheel reside. It's fine to get that wet, but you don't want to separate them (push in the clutch) when in nasty water or mud. That would let who knows what get jammed between the clutch plate and firewall.

Lastly, take the wet stuff SLOW! There have been some prominent cases of people hydrolocking the motor in 6" of water because they hit it too fast and kicked up a rooster tail into the air intake.
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Old 03-12-2012, 03:57 PM   #3
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Low and slow. Extend your breather tubes and if you have a manual do not use your clutch in the water. Do a search for hydro-locking the 3.8.
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Old 03-12-2012, 05:01 PM   #4
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Ok thanks for the info. I'll check it out
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Old 03-12-2012, 05:35 PM   #5
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Does this also apply to TJ's?
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Old 03-12-2012, 05:50 PM   #6
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Yes, though I believe they are less prone to hydro-locking.
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Old 03-12-2012, 06:28 PM   #7
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How about the electronics on the axels the sensors on the wheels and such. Should I put a glob of silicone over them to help waterproof or no worries
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Old 03-12-2012, 06:36 PM   #8
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That shouldn't be necessary.
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Old 03-14-2012, 08:39 PM   #9
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Do the stock jeep rims support lockout hubs or free spin. I see a center cap that looks to be removable. But I'm not sure if the center hole is big enough for the lockout. Or do I have to buy new wheels.
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Old 03-14-2012, 11:44 PM   #10
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I was almost afraid to open up this thread .

Anyway, going through 30"s of water, + or -, I think
I would AT LEAST change my running Gear fluids soon
afterwards just to be on the side of CAUTION, not to
mention CHEAPER if worst case scenario were to take place.
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Old 03-15-2012, 12:00 AM   #11
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I drove in a creek/ was stuck in a creek in my TJ. The water was coming in the drain holes. Exhaust was under water. No problems.
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