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Old 05-10-2014, 11:07 AM
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Does anyone know what this is / does?

I noticed a spot on the upper felt pannel on the hood and lined it up with this plastic stem pc. in the engine compartment. Does anyone know what it is , why its staining the felt liner?
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Old 05-10-2014, 11:30 AM
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Re: Does anyone know what this is / does?

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Originally Posted by stech View Post
I noticed a spot on the upper felt pannel on the hood and lined it up with this plastic stem pc. in the engine compartment. Does anyone know what it is , why its staining the felt liner?
Here are 3 more pictures showing it at a slightly different angle..
Specs. 2014 GC Laredo 4X4 V6
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Old 05-10-2014, 12:15 PM
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Re: Does anyone know what this is / does?

Can you post an overview of the engine so I can know where it is located....left right front back....can't tell in photo really.
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Old 05-10-2014, 12:30 PM
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Re: Does anyone know what this is / does?

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Originally Posted by Dan JGC View Post
Can you post an overview of the engine so I can know where it is located....left right front back....can't tell in photo really.

Absolutely ,,Here are a few more hope this helps with position.
Driver side by struts. and connects to tubes that go up under top engine cover
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Old 05-10-2014, 12:35 PM
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Re: Does anyone know what this is / does?

here are more,,my finger is on one of the black hoses (not the metal line) it connects to, the other line goes down somewhere.
Hope this helps. Im stumped. It releases something, the stain on the upper felt liner seems to match up directly with it.
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Old 05-10-2014, 12:39 PM
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Re: Does anyone know what this is / does?

I looked up in the manual and the engine diagram for the V6 doesn't indicate what it is even though it is in the diagram. Could it be something related to A/C coolant fill with valve? It looks like some sort of relief valve type thingy..... I know that doesn't help. But it probably isn't closed properly.

Someone here will know what system it connects too....
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Old 05-10-2014, 05:12 PM
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Re: Does anyone know what this is / does?

Vent tube for the transfer case?


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Old 05-10-2014, 06:26 PM
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Re: Does anyone know what this is / does?

I stopped by the Jeep dealership while i was out and asked a Tech. Its a "Ambient Temperature Sensor" The mark directly above it on the felt liner is just coincidence. He had no idea what caused it. He said that was real weird but had nothing to do with the sensor. So mystery solved.
Thanks for the replies
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Old 05-10-2014, 06:43 PM
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Re: Does anyone know what this is / does?

Quote:
Originally Posted by stech View Post
I stopped by the Jeep dealership while i was out and asked a Tech. Its a "Ambient Temperature Sensor" The mark directly above it on the felt liner is just coincidence. He had no idea what caused it. He said that was real weird but had nothing to do with the sensor. So mystery solved.
Thanks for the replies
I believe your tech is wrong. The outside ambient air temp sensor is behind the front grille. However, I don't know what that thing is but the V8's (5.7 and 6.4) also have that thing.
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Old 05-10-2014, 06:59 PM
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Re: Does anyone know what this is / does?

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I believe your tech is wrong. The outside ambient air temp sensor is behind the front grille. However, I don't know what that thing is but the V8's (5.7 and 6.4) also have that thing.
agreed, ambient would be way off that far back.
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Old 05-10-2014, 07:03 PM
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Re: Does anyone know what this is / does?

It is just a plug, the earlier wk2 had the evaporative purge solenoid plugged into that line..
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Old 05-10-2014, 07:54 PM
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Re: Does anyone know what this is / does?

i would lean towards axle vent, however the stain looks more like coolant
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