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Location of EVAP system hose

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Old Apr 15, 2012 | 09:44 PM
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Could anyone with a 4.7 be so nice and look under there truck to determine this? I will try to get some actual photo's of my truck to further show what I am looking for. Thanks.
 
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Old Apr 16, 2012 | 07:46 AM
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It's underneath the truck ontop of the gas tank. Look towards the front.
That is a rubber hose where they all get old and cracked at the elbow. Common problem.

Can't find it? It's a gas tank and crossmember in the pic just to help you out!
 
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Old Jun 2, 2012 | 08:55 PM
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I'm trying to find the answer as well, so i can buy a replacement part. On mine the end of that line is capped off so it doesn't connect anywhere else. but the side of the hoes is burned pretty bad.

It's very similar to the pictures in this thread:
https://dodgeforum.com/forum/3rd-gen...-problems.html
 
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Old Jun 4, 2012 | 10:08 PM
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I think I found the part number. Vapor Purge Harness - Part number 52102942AD. You can see the part here:

http://www.factorychryslerparts.com/...2102942AE.html

I don't know if that website is reputable or not so use at your own risk.
 
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Old Nov 29, 2014 | 07:02 PM
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Default Did you find the correct Part Number
Originally Posted by odoyl
It is number 7 on this diagram (that I think I attached correctly) but the diagram doesn't show the full hose and where the other end goes to.
I need the same hose. I know this post is old, however could you kindly post the source of this diagram and the part number?

Thank You

The part " Part number 52102942AD. You can see the part here:" Is not the same part.
 
Last edited by aandrea; Nov 29, 2014 at 07:07 PM.
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Old Mar 10, 2017 | 08:46 PM
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Originally Posted by odoyl
I have a melted hose on my 02 Dodge Ram that comes from the LDP filter on the evap system up towards the front of the truck. I cannot find where this hose is supposed to attach to since it melted on my exhaust and was just hanging. I believe the hose is called the LEAK DETECTION PUMP FRESH AIR LINE that runs towards the front of the truck along the frame. It is melted off around the middle of my transmission. I cannot find the other side of the hose (if there is one) or where it hooked up to. Thanks.
I know this is old but I have the EXACT same problem right now did you ever figure out where it goes?? Hopefully your still apart of this forum
 
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Old Mar 10, 2017 | 09:23 PM
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It vents to the atmosphere. I remember seeing them tethered to the wiring harness or shift cable and stopping on top of the bell housing. There will be a little mushroom vent cap on the end. If you look through the wheel well shield on the drivers side you might be able to see where it stops.
 
Last edited by TNtech; Mar 10, 2017 at 09:27 PM.
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Old Mar 10, 2017 | 09:25 PM
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Originally Posted by TNtech
It vents to the atmosphere. I remember seeing them tethered to the trans stick or stopping on top of the bell housing.
Ok thanks for the answer was driving me crazy.
 
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Old Mar 10, 2017 | 09:30 PM
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Just get some pieces from the parts house and patch it. No need to go to the dealer. As long as water doesn't get in and the end is up high enough, you're good.
 
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Old Mar 10, 2017 | 09:34 PM
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Originally Posted by TNtech
Just get some pieces from the parts house and patch it. No need to go to the dealer. As long as water doesn't get in and the end is up high enough, you're good.
Hell yea that's the plan. What kind of cap shold I put on the end of it?
 
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