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My SES light came on at 15000 miles and I took it to the dealership. They ran the codes and came back to me saying that my vapor canister has mud in it and that he will have to clean that and the fuel lines and it will cost $450 and is not covered under warranty! My truck is offroad a lot for work and it has been very dusty down in GA so i'm sure that the dust has gotten to it. Is there any way I can do this myself and not have the dealership rape me?

I read on here that this apparently is a flaw of the xterra, has anybody come up with a fix for this to prevent this from happening again?

Any help is much appreciated.
 

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Nothing?

I found out that the tube that ties into the frame for the vapor canister vapor has mud in it. They are saying thae t there is probably mud/debris in the canister and that it must be cleaned out and the corresponding lines cleaned also.

Anyone have the book to show how to take off the rear bumper and i think i can probably blow out the canister from there.
 

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OK, dude, check this out. This has happened to me and my buddy (who also has an X) seven times between us--me four times, and him three. In each case, I got it covered under warranty. All they did was replace the entire evap canister. My dealer admitted that it was a design flaw, and just kept fixing it, with the company knowing about it each time. My buddy was a little less persistent, and now his warranty is past and his light is on. So we're looking to solve the problem ourselves.

I have all the paperwork showing the repair for the same thing over and over. Unless they're admitting that you can't drive the X in mud or dust--absurd--then they have to fix it. I suggest you don't burn any bridges, but that you take it up and down the various levels: service manager, person who sold you the truck even, the Nissan 800 number, the regional specialist dude for Nissan, etc.

I haven't gotten my hands too dirty yet, but the fix would involve routing the intake (or whatever it is) out of that wheel well area. Whether the canister can be repaired (there's a valve inside that gets stuck or clogged) or whether it makes more sense to replace--I'm not sure? I have a CD-ROM of the X service manual, but I haven't researched this problem yet. I bet this is happening to tons of people, and there needs to be a TSB and an official Nissan mod to solve the problem.
 

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I don't have this problem myself, and I haven't gone and looked at my X to see the parts involved, but looking at the service manual, it doesn't look to be difficult to fix yourself, if all that is needed is to use some air to blow out the EVAP canister vent control valve and/or the "rubber tube connected to EVAP canister vent control valve". However, if parts are needed (e.g. valve is rusted, new EVAP canister), then knowing Nissan, the cost will be fairly high even if you do it yourself.

From the manual: "The EVAP canister vent control valve is located on the EVAP canister and is used to seal the canister vent. This solenoid valve responds to signals from the ECM. When the ECM sends an ON signal, the coil in the solenoid valve is energized. A plunger will then move to seal the canister vent. The ability to seal the vent is necessary for the on board diagnosis of other evaporative emission control system components. This solenoid valve is used only for diagnosis, and usually remains opened."

It sounds like the problem is that the open end of the rubber tube attached to the EVAP canister vent control valve is located in an area that is allowing dust and/or water and/or mud to be drawn into the tube.

Maybe there is a way to extend the end of the tube to a different location. Or maybe a solution would be to install an 'air filter' on the end of the tube, even if that means having to clean/replace the filter (which would be less expensive that having to replace the EVAP canister).
 

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Wow, I never knew this was a problem. I have had my X in it's share of mud and water (my 2nd alternator is currently dying), but I have not had this problem yet. I guess I better take a close look.

How hard is the canister to get to? Can you access the entire thing by taking off the drivers side rear step?
 

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Muzikman said:
Wow, I never knew this was a problem.
And that's my fault. This kept happening to me before I was such a regular here, and I neglected to start a thread on it. My bad. It's a really big deal, as far as I can tell.

Look up over the driver's rear wheel. It's the rectangular box. You can just get your arm up top and feel the tube. I'm not sure how to access it, but we're about to get at it. I assume it's just the step and wheel well cover stuff.
 

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Muzikman said:
How hard is the canister to get to? Can you access the entire thing by taking off the drivers side rear step?
In the service manual I don't see that it specifically states how to access it, but a diagram in the Description section that shows the canister has "View with rear fender protector LH removed".

The manual's instructions for removing the Rear Fender Protector are:
REMOVAL
1. Remove screws.
2. Remove clips.
3. Remove rear fender protector.
 

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What are they calling a fender protector? It sounds like the rear step as that's all that is holding it on (screws and a push clip).

I know when you crawl under, you can see the canister, it just doesn't look easy to get to from the underside.
 

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Muzikman said:
What are they calling a fender protector?
On my 2006 X, it's the plastic piece that is inside the fender well.
It starts directly above the tire, and curves down to the bottom
of the fender well at the back. Some of the screws/clips do attach
it to the plastic part that contains the bumper step, but I think you
can take off the fender protector without having to remove that part.
 

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Discussion Starter #12
d-rap said:
I suggest you don't burn any bridges, but that you take it up and down the various levels: service manager, person who sold you the truck even, the Nissan 800 number, the regional specialist dude for Nissan, etc.
I have talked to the service manager and even the director of the service dept. I think the problem is that here in GA not many people drive off road and my truck was particularly dirty the day that I brought it in. I am going to clean the truck and take it to another dealer and then I will take it another route.

What dealership did you work with where you are and can you pass on the information (name and number) so I can call them if it gets to that level?

Thanks!
 

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PM me if you get the time. Let's strategize. I'll help in any way I can.

They advertise the X dirty!!! I hate that kind of BS. What, you're not supposed to get the X muddy??? In Georgia??? Give me a break.
 

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d-rap said:
PM me if you get the time. Let's strategize. I'll help in any way I can.

They advertise the X dirty!!! I hate that kind of BS. What, you're not supposed to get the X muddy??? In Georgia??? Give me a break.
I left you a PM.

As a follow up: I have been working with 1800Nissan1 about this and they are talking to the service dept as to why they didn't warranty the canister... we'll see how that goes. I also took apart the area and found out that replacing the canister should be pretty easy and also relocating the breather tube would be relatively easy with some hose clamps and a 3/4" tube. I'll probably write a how to one this issue is resolved.

M
 

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Discussion Starter #15
On a side note:

Does anybody know of a website that you can order xterra parts? Like a vapor canister? I have an S2000 and there was a site that had every part imaginable for the S and it was cheaper than going to the dealer. Anything for the X?

M
 

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www.yournissanparts.com

They won't have it listed on their site, but if you give Brian a call, I am sure he can get it for you.

Now, they are a dealer, they just don't rip you off as bad a most, so my guess, it's still not going to be cheap.
 

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Discussion Starter #19
Update:

I took out the evap canister and cleaned out all the lines myself with carb cleaner (but the inside of the canister, i didn't touch that). The light went away but not permanently. Its weird now that it turns on (for 300 miles) but will turn itself off for about 2 wks or so.

I have called 1800Nissan1 but they won't return my phone calls either. I told them that this is a problem with other Xterras but now their customer service people won't respond back to my messages. And I'm being a nice guy not a jerk. Since my light is off now (for abourt 500 miles now) I'm just going to keep pestering them so that when it turns back on I'll go get it fixed, if they ever admit to fault.

It hasn't affected my gas mileage any so I'm ok.

I'm going to work on getting that vent valve rerouted so it won't happen again. its a horrible design location.
 

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So did you ever take it to another dealer? And if the dealer denies you, maybe they can arrange for you to talk to a regional rep, or whatever the Nissan person is called.

Reading our service manual overhauling the evap canister beyond what you did looks complicated. My dealer has replaced mine (now I'm no longer under warranty) four times; they didn't even think about servicing the unit.

Next time mine goes, I'm going to use all my paperwork and the history to try to make them replace it--then I'll try a re-routing fix for the vent, hopefully with your help. Truth be told, if I can't win the argument, I think I'll just bite the bullet, buy a new unit for the $122 listed in the link above, re-route the vent, and--hopefully--be done with it.
 
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