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Old 09-20-2013, 10:54 PM   #1
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New Rubicon Water trapped somewhere underneath, sloshing sound?

I just took my new wrangler unlimited Rubicon off road last weekend which included crawling through some puddles, nothing deep, probably 8-10" of water. I came home and washed the vehicle which included hosing off the mud in the wheel wells etc.

Now this is really weird! I hear water sloshing when I come to a stop, and start again, sounds like the center of the vehicle underneath perhaps under the transmission tunnel, but noise location can be tricky. Definitely a substantial amount of water sloshing back and forth somewhere. But where and WHY!

Plus I see no evidence of the water dripping out from wherever it is trapped. I assume this vehicle is designed to get through a modest mud puddle and drains would be designed for such use. My first jeep so this has me puzzled.

Any suggestions, similar experience?

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Old 09-20-2013, 11:02 PM   #2
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It is coming from your vents. It has nothing to do with what you did. Common problem. (plenty of threads on it).

"Burp" your radiator yourself, or take it to the dealer, or just live with it.

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Old 09-20-2013, 11:03 PM   #3
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8-10" of water wouldn't even reach the tub. NEW or new to you? PO have balance beads in tires? Hate to say it but you may just be paranoid... Anyone else with ideas?
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Old 09-20-2013, 11:19 PM   #4
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Brand new 2014
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Old 09-20-2013, 11:21 PM   #5
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Gas tank?...
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Old 09-20-2013, 11:22 PM   #6
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BRAND new? Are you maybe hearing fuel slosh around in the long mid-mounted tank the new JKU's have?
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Old 09-20-2013, 11:23 PM   #7
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It is coming from your vents. It has nothing to do with what you did. Common problem. (plenty of threads on it).

"Burp" your radiator yourself, or take it to the dealer, or just live with it.
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Old 09-20-2013, 11:28 PM   #8
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Can't be the gas tank, just started after the off road trip, definitely sounds like water, will have to take it in and see what the scoop is, sounds like about a quart or two of liquid. Hope it is not the gas tank as that would be so annoying. Never heard anything like this and definitely a new sound, first 600 miles it wa snot there. Just filled the gas tank and still hear it.
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Old 09-20-2013, 11:36 PM   #9
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Quote:
Originally Posted by panthermark View Post
It is coming from your vents. It has nothing to do with what you did. Common problem. (plenty of threads on it).

"Burp" your radiator yourself, or take it to the dealer, or just live with it.
This.
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Old 09-20-2013, 11:56 PM   #10
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Manual Transmission?......Hopefully not!
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Old 09-21-2013, 05:23 AM   #11
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It is coming from your vents. It has nothing to do with what you did. Common problem. (plenty of threads on it).

"Burp" your radiator yourself, or take it to the dealer, or just live with it.
This is likely what it is.

Mine did not have it for weeks after I picked it up, and then one day out of the blue, it started doing it. It was rather unsettling the first time I heard it, but there are plenty of topics on the forum that explain what it is and how to deal with it.

In the grand scheme of things, it is not a big deal.
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Old 09-21-2013, 10:45 AM   #12
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Quote:
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It is coming from your vents. It has nothing to do with what you did. Common problem. (plenty of threads on it).

"Burp" your radiator yourself, or take it to the dealer, or just live with it.


A-HA! I have a brand new 2014 that's yet to go off pavement and I've been hearing water "whooshing" or sloshing around especially after initial start-up. It's most obvious when accelerating or slowing down.

Please someone, post a link to a thread or threads on this so I can stop the "water powered" JKU Rubicon from making these sounds!
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Old 09-21-2013, 11:12 AM   #13
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My brand new 2014 made the same noise. I popped the hood and squeezed the upper radiator hose, massaging it from engine to radiator for a couple minutes. No more water sound. Probably an air pocket
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Old 09-21-2013, 11:42 AM   #14
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My brand new 2014 made the same noise. I popped the hood and squeezed the upper radiator hose, massaging it from engine to radiator for a couple minutes. No more water sound. Probably an air pocket
+1

My 13 sounded like a toilet flushing, but I burped the cooling system and it went away.

http://www.wranglerforum.com/f33/fyi...er-186603.html
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Old 09-21-2013, 11:56 AM   #15
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Quote:
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I popped the hood and squeezed the upper radiator hose, massaging it from engine to radiator for a couple minutes.




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Old 09-21-2013, 12:32 PM   #16
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OK, here's a link to the thread on this issue:

http://www.wranglerforum.com/f33/fyi...-186603-7.html
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Old 09-21-2013, 12:39 PM   #17
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Old 09-29-2013, 09:55 AM   #18
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Update:

I "burped" my radiator and it seemed to be a success.

But then I started hearing the water sloshing / whooshing sound. About a day later I started smelling coolant on occasion.

Took the Jeep into a local dealer and they pressure-tested the system and found a tiny pinhole leak.

Tomorrow it's going into the dealership for repair.
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Old 09-30-2013, 05:30 PM   #19
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TSB Radiator Fan

OK, just got off the phone with my service advisor.

He says there's a TSB for the radiator fan programming and that's what has caused the issue. They reprogrammed the radiator fan using the computer and that plus them "burping the system" (not his words - he said "removing the air") should alleviate any symptoms like gurgling, etc.

They're keeping my Jeep until tomorrow AM at which time they'll start it up and see if it exhibits any of the symptoms starting from a cold start.

I don't have any more info on the TSB and I Googled it. I'll try to get the info when I'm at the dealership tomorrow and see if it's specific to the 2014 or if it affects the 2013 MY, etc.
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Old 10-02-2013, 01:34 AM   #20
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2014 tsb

2014 TSB # 08-069-13

"Cooling system overheating. Cooling fans not active (from the factory). TIPM needs reconfiguration."
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Old 10-03-2013, 09:58 PM   #21
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A TSB already? Is this for 2014 only?
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Old 10-04-2013, 01:01 AM   #22
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A TSB already? Is this for 2014 only?
I don't know. I assume it is. But if you've noticed your radiator fan(s) running then I believe it's not applicable because the dealer told me the TSB was to ensure the fans actually come on. He said they were disabled at the factory and the TSB fixes that.
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Old 10-06-2013, 08:36 AM   #23
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Sloshing Noise Heard on 2013 and 2014 Jeep Wrangler

I have seen several posts here for a sloshing noise heard on the Wrangler. let me tell you what I know on this issue. ON the 2013MY jeeps Chrysler made an engineering change to the hose routing for the heater core. They now fill the heater core from the top down instead of the bottom up. This causes air to be trapped in the heater core. There are 2 fixes for this either have the dealer re-route the hoses to the heater core or replace the Sundram radiator cap with a Stant cap.

Hope this helps
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Old 10-06-2013, 08:43 AM   #24
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On the JK fan issue, here is the real story. At the Toledo assembly plant when the vehicle goes to the rolls test the operator was fooling the computer into thinking the fan was being actuated. during the assembly process the TIPM was not configured for the correct fan or should I say for any kind of fan. The fan on the JK is a brushless configuration and requires a signal from the TIPM of 10hz to start. If the PWM inside the fan does not see this signal it will not actuate the fan. The fan cannot be tested by simply powering the harness connector, it requires a 10hz signal to start then the duty cycle is varied for speed operation. This issue is related to 2013MY and some 2014MY Wranglers.
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Old 10-11-2013, 10:59 AM   #25
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I have seen several posts here for a sloshing noise heard on the Wrangler. let me tell you what I know on this issue. ON the 2013MY jeeps Chrysler made an engineering change to the hose routing for the heater core. They now fill the heater core from the top down instead of the bottom up. This causes air to be trapped in the heater core. There are 2 fixes for this either have the dealer re-route the hoses to the heater core or replace the Sundram radiator cap with a Stant cap.

Hope this helps

Thanks for this! Which hoses and where would the hoses be re-routed to/from? And why replace one radiator cap with another? Keep in mind we're talking about vehicles that are under warranty so this issue typically would be addressed by the dealer's service people.

As you know, dealers typically do not do what they're asked to do - they listen but they do their own diagnosis and check to see if there are any TSBs or other notifications in the computer system about the vehicle they're working on. They're not going to "re-route" the hoses or replace the radiator cap unless the computer (Jeep) tells them to do that.


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Originally Posted by CHALLENGER2014 View Post
On the JK fan issue, here is the real story. At the Toledo assembly plant when the vehicle goes to the rolls test the operator was fooling the computer into thinking the fan was being actuated. during the assembly process the TIPM was not configured for the correct fan or should I say for any kind of fan. The fan on the JK is a brushless configuration and requires a signal from the TIPM of 10hz to start. If the PWM inside the fan does not see this signal it will not actuate the fan. The fan cannot be tested by simply powering the harness connector, it requires a 10hz signal to start then the duty cycle is varied for speed operation. This issue is related to 2013MY and some 2014MY Wranglers.
Thanks for posting this! This is really interesting (at least to me). What does "TIPM" stand for?
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Old 11-27-2013, 10:45 PM   #26
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Totally Integrated Power Module. It is the box directly in front of the battery.

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