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Unread 06-20-2006, 11:30 PM   #1
msavard
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WATER : How deep is too deep?

My local park has gotten a ton of rain lately and all the ruts have turned into puddles. Not a big deal but a few areas have taken on a good bit of water and get pretty deep.

I've heard horror stories regarding having to rebuild engines or transmissions, etc. My 04 is in pretty good shape and while I have NO Problem getting it good and muddy I don't want to do any serious damage to it if at all avoidable.

So... what is the "danger zone" with regards to water levels. Do I want to keep my transmission out of the water? Bumper height okay? What should I look for and/or avoid?

Thanks in advance guys...

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Unread 06-20-2006, 11:37 PM   #2
Muddy Tj Zack
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Auto tranny is scary to me. They have breathers that I would locate higher in the engine bay. Once you do that bumper height is fine. Headlight is a little close. Your air filter is right behind the headlight, so to me thats the danger zone.
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Unread 06-20-2006, 11:47 PM   #3
UTWeezul
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I have an auto tranny and try not to let it get above the rocker panels. I really need to do the tranny breather line upgrade but don't really want to drop the tranny out. That might be the summer project in about a month.
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Unread 06-20-2006, 11:50 PM   #4
msavard
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Thanks for the replies guys!

So you have to yank the tranny to run a breather higher up? Any links to instructins on how to do that?

Thanks!
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Unread 06-21-2006, 12:39 AM   #5
t3mporaryism
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get a snorkel !
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Unread 06-21-2006, 01:55 AM   #6
Muddy Tj Zack
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Quote:
Originally Posted by t3mporaryism
get a snorkel !
Maybe later down the road....but thats not the problem right now, the tranny will crap out long before the motor will. Here is a link I found with the search, not sure at all if its the best way to do it, but its an option. http://www.the-jersey-devil.com/bbs/...b=5&o=&fpart=1

One day when you get search some stuff up, it's been covered a few times that I know of. Good Luck.
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Unread 06-21-2006, 02:19 AM   #7
mattlock1983
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try to keep it under 2 feet and you will be fine.
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Unread 06-21-2006, 06:41 AM   #8
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Quote:
Originally Posted by Muddy Tj Zack
Maybe later down the road....but thats not the problem right now, the tranny will crap out long before the motor will. Here is a link I found with the search, not sure at all if its the best way to do it, but its an option. http://www.the-jersey-devil.com/bbs/...b=5&o=&fpart=1
I was just about to post that link. Alot of the guys that run in the Pines with autos end up doing that mod...unfortunately they usually wait until they ruin a tranny. I know both Sudz and Doug are happy with the way it has worked out for them.
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Unread 06-21-2006, 07:22 AM   #9
RockRunner85
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I try to keep the water lower than the middle of the tire where the axle tubes are. If it ends up being deeper than that I defiantly don't go higher than the bottom of the tub. Its not a submarine you know.

My friend dunked his and hes had nothing but problems since. We spent over 3 hours dropping the tcase skid, draining and replcing all the tranny fluid at the camp site so he could drive home.

Not worth it in my opinion.
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Unread 06-21-2006, 07:25 AM   #10
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This thread just made me reconsider ordering my JK in automatic

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Unread 06-21-2006, 07:39 AM   #11
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I've gone into water about 30 inches deep or so at stream crossings with no problems. Of course I have a six speed with a tranny breather tube that goes halfway up the fire wall inside the engine compartment. Why didn't Chrysler do this with the auto?
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Unread 06-21-2006, 08:11 AM   #12
Wheelin98TJ
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Since msavard has an 04 TJ, it would be the 4 speed auto (42RE).

The 4 speed auto has a breather on top of it. Its not behind the torque converter like it was on the older 3 speed autos, so there's no need to pull the tranny to extend this vent. Just splice in some tubing and you'll be fine.


Quote:
Originally Posted by AOPAPilot
This thread just made me reconsider ordering my JK in automatic

Starting in 06 (I believe) that vent hose runs all the way to the firewall. So I would guess the new JK will have the same extended vent.
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Unread 06-21-2006, 08:17 AM   #13
jcd
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You definitely have an advantage with a manual trans if you encounter deep water on a regular basis, but it's all about what you're planning to do...

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Unread 06-21-2006, 08:18 AM   #14
SpitNine
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Why Didn't DCX........

Quote:
Originally Posted by Bishop Creek
I've gone into water about 30 inches deep or so at stream crossings with no problems. Of course I have a six speed with a tranny breather tube that goes halfway up the fire wall inside the engine compartment. Why didn't Chrysler do this with the auto?
........Run a breather extension up the firewall for the NVG1500 five-speed?
There's a vent with a rattlecap but it's not quite on the top of the trans on the passenger side.
The transfer case is vented up to the firewall behind the engine and that hose runs right next to the trans vent. Must be a tee would have been too expensive to install. Go DCX.
Thanks.
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Unread 06-21-2006, 08:19 AM   #15
fyrfyter43
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Quote:
Originally Posted by Wheelin98TJ
Since msavard has an 04 TJ, it would be the 4 speed auto (42RE).

The 4 speed auto has a breather on top of it. Its not behind the torque converter like it was on the older 3 speed autos
That must be something new. I know several people that have extended the breather on the 42RE (just not in a TJ) by plugging up the original vent behind the TC and drilling/tapping the case and putting in a breather.
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