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Old 11-21-2009, 04:09 PM   #1
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True or False?! need answers

someone told me that wranglers with auto trannys have a hole in them where the Crank Shaft Position Sensor goes and you cant go threw water crossings that are deeper than that sensor is this true? he said he was going threw a water crossing and his jeep died right in the middle and the sensor went bad and water could of got in the bell housing. someone please inspire me about how deep i can go with a 2000 tj with the ax15. if this is true i regret buying my snorkel.

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Old 11-21-2009, 04:20 PM   #2
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I would imagine he was a victim of bad luck...usually there's a grommet the sensor fits inside anyway, but I'd imagine even if it did take in water, there's a place for it to go.

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Old 11-21-2009, 06:05 PM   #3
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The crank position sensor is on the engine block, not the transmission. I'm not sure if the Jeeps use the CPS all the time, but in all the cars I've worked on they don't rely on them except for starting purposes. There is a vent on the transmission that water can get into, but some vehicles have a vent hose that points downward so no water gets in. Virtually, your jeep can be sunk underwater and still be running as long as the air intake is higher than the water you want to ford.
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Old 11-21-2009, 07:18 PM   #4
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Would this guy be in missouri right now? the same thing happened to my friend who was in missouri, and it just happened recently. He said the mud got into the transmission through a hole which all autos have. But I think he was either missing a plug or it wasnt really true because alot of people who go through water, recommend have an auto transmission due to shifting, and none of them have ever mentioned the hole in the transmission
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Old 11-21-2009, 08:09 PM   #5
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False: The auto tranny has a breather that is located rather low and water can get get in if this is not extended. As for your AX-15, why do you have an AX-15 in a 2000? Did the NV3550 die? .I would say your bigger worry is taking water in from the air intake than the tranny. I would say if your stock.. no more than half way up the front grill at the most and only if you have too.
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Old 11-22-2009, 01:20 AM   #6
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Quote:
Originally Posted by 4Jeepn View Post
False: The auto tranny has a breather that is located rather low and water can get get in if this is not extended. As for your AX-15, why do you have an AX-15 in a 2000? Did the NV3550 die? .I would say your bigger worry is taking water in from the air intake than the tranny. I would say if your stock.. no more than half way up the front grill at the most and only if you have too.
Are you saying False to the question, but True in the aspect that there is a hole located somewhere below the air intake, unlike Manuals?
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Old 11-22-2009, 08:54 AM   #7
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Both manual and automatic transmissions have breather holes (vents). The AX-15's breather is on top just forward of the shifter, the 32RH auto's breather hole is located on its face where it bolts to the engine, up near the top. Both axles and the transfer case all have breather holes too.

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