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Comments
-juice
I think most large vehicles with large amounts of sheet metal like an SUV are going to have this issue. It's a simple frequency resonance issue that I'm not sure you can fix completely, simply because of the way that lower frequencies (caused by a large box) build up, particularly when you add vibrations from suspension and road noise into the picture. I guess you could build a "bass bin" which will absorb low frequencies, but I don't know where you'd put them.
I wonder if Nissan has thought about simply putting some type of dynamat (like a 1/4" rubber sheet used in car audio applications) on the metal roof under the headliner? It certainly would kill a lot of vibrations and help to absorb some sound. Oh well, we'll see I guess.
-Nathan
The Armada is popular so clearly it's worth a little investment. C'mon Nissan. Tie Carlos "le cost cutter" Ghosn if you have to.
FWIW I've felt a resonance in one other vehicle - an older Pontiac TranSport an aunt of mine owned. If you drove with the front windows open you'd get a fierce resonance at certain speeds. It was so bad you just had to close the windows.
-juice
C'mon now- it's not accurate to say resonance is not common. Every vehicle has a resonance of some kind when you drive- it's unavoidable. Whether or not it's loud enough to be annoying is one thing, but it's impossible to completely isolate all resonance and noise from a vehicle. A hollow cavity WILL vibrate when moved, regardless of how good the suspension is, etc. Not to say that there aren't cars that have eliminated most noise, but noise happens. The bigger the cavity, the lower the frequency, and depending on the shape of the cab the more the frequencies can build up. It is interesting to me that it's a choppy low frequency resonance in the Nissan- I don't know what to make of that.
This resonance in the Armada isn't that big a deal to me, but I'm coming from a 2000 Tahoe (new body style) and even with the res. my Armada is still miles above the Tahoe in most every respect. Way more power, a smoother ride thanks to the independent rear suspension, better interior, etc. And it's quieter!
I shopped Denalis and Escalades before I bought my Armada, and I was pretty disappointed. I have always been a U.S. car guy, but my Nissan has turned me into a believer. The Japanese do design better vehicles. At least this one anyway.
Why anyone would buy an Escalade is beyond me- it was nothing more than a Tahoe with the 6.0l V8. The same cheesy plastic, same poor fit, etc. as my Tahoe. Sad when they're asking 50k plus for a new Escalade. Strangely I found the Denali a little better, although still pretty much the same vehicle with the same issues.
I don't know how bad the resonance problem is in some of the other vehicles, but to my ears this resonance issue is a tad overblown. Not to say that I won't consider having a fix applied (depending on many factors) but to me it's just not a dealbreaker if you're thinking of buying an Armada. I live on the border with Louisiana which has some of the worst roads I've ever seen, and even then I don't even notice it so much unless I've got the radio off. Maybe I'm lucky?
Sorry for the long post...
=Nathan
My wife and I bought the Armada about 3 weeks ago. I was really concerned about the resonance issues and was hesitant to but one but went ahead any way. I'm regretting it now.
We went on our first road trip yesterday and it was not fun. The resonance was noticeable enough to cause pressure in our heads and ears and cause discomfort.
I've owned Suburbans, Ford Pickups, Expeditions, and countless sedans without ANY noticeable resonance problems... much less induced head aches.
I went to my local dealer today... the service advisor said he had never heard of the issue. Given the problems that people have had with the fixes I'm reticent to even TRY and get if fixed.
Hopefully they'll issue a TSB soon that fixes the problem or Nissan will have a big problem on their hands. I'm sure it's negatively impacting sales not to mention that the cost of the buy backs/ lemons.
I love everything else about the truck but wish we had never bought it now...
-Nathna
Let's see how Nissan responds. I think that's the telling part.
If they step up and provide a good fix for this, they could even build loyalty. I can't imagine they'd ignore this. They can't.
-juice
I read that tire pressure might be a factor, and found my tires were over-inflated to 41-42 psi. After I took them down to 35 psi as stated on the tire chart, it vanished.
Maybe I just got lucky and was having a different type of problem, but from what I've read the "resonance" i experienced is the same as everyone else's, just not as bad...
Oh, the second armada I test drove also had the same problem, but it wasn't as bad as the first... the two Titans i drove didn't seem to have any resonance at all.
=N
Proper PDI would have them air it down before delivery, but they often rush.
-juice
I have the same noise when I roll them up. The nissan tech is ordering two new pieces for the back. I forgot what they were called, but they will be here in 3 days. If this fixes it, i'll make sure to post... the groaning sound is almost embarissing!!
I think the roof thing may not be the whole problem. Every time I hit a bump I get a low frequency vibration running through the entire body, and a related resonant thundering noise. The vibration and thundering occurs at any speed. I can feel the drivers door and center console vibrating all the time I am driving. Sometimes I get a much more severe shuddering that runs through the body.
I am beginning to think that the vibration and resonance is actually the basic resonant frequency of the body shell, and we are hitting an effect not dissimilar to the Tacoma Narrows Bridge disaster, where the bridge was caused to vibrate at its resonant frequency and then ripped itself apart. An energy input from going over a bump excites the body at its natural frequency, and more input either from road bumps or wind keeps the effect going. The "helicopter" resonance might be the extreme state of resonance.
If that is the case, then I don't see how glueing the roof to its supports is going to do anything long term. The desire of the body to flex at its resonant frequency is going to be so severe that it will soon cause any joints to fail.
I think the problem is actually far more severe and deep seated than we have realized to date, and I don't see how Nissan can fix it. That would certainly explain why a TSB has not been seen yet, even though Nissan has been working on this problem for a long time.
Oh boy, this could be a long haul.....
I have noticed the lack of Armada commercials... I used to see one or two every few days, now I haven't seen a single commercial...
Does anyone else notice a clanging sound coming from the back of their Armadas when going over a bump or pothole? It sounds like my step-dad's metal toolbox in the back of his F-350... I figured it was the tools in my crappy "toolbox," but I'm still hearing it after taking everything out of the back...
Also, how exactly am I supposed to put on my rear license plate with a frame without drilling holes through the back bumper?? There are only two top holes, and this lets the plate stay extremely loose, especially since I put on a protective plate cover... (Never had a problem installing plates, are there adapers I could use, maybe? I haven't a clue, but I don't want holes in her.)
LE/Tech/Sunroof
On a better note, my gas mileage has had an extreme jump for the better. I'm getting ~14 mpg, vs. the previous 11.
I've also been reading about overhead consoles coming loose and DVD screens shaking to the point of being useless. The list keeps growing. What a nightmare! I think Nissan's ambitious plans are running into teething problems.
having said that, i dont outright dismiss everyone on here individually. i beleive all of you...till i have reason not to.
also, out of the dozens of armadas that we've sold, noone has complained about or had repaired, any issue greater that a rattle...and that was only 1 person.
again...im not saying you all ARENT having problems. i just have a salt shaker ready every time i read about them. ;-)
(holding it together in MA..) -Tigger
I have a Bose system, and allthough the ranges that hit sounds great IMO, the lower notes are nonexistant... Has anyone heard of a wiring harness or possibly a simple Audio Out that I could hook an amplifier up to for an additional subwoofer (for the absent lower ranges)?
If so, you are a godsend!! Crutchfield still doesn't have any information on the Armada save speaker size.
During my typical day-to-day commute (those that don't involve using any broken components), I absolutely love my truck. I haven't had this much fun driving in any vehicle, including all "sporty" sedans and the like.
She is truly a performance vehicle, and everything that works is a hell of a lot better than expected.
An abundance of storage compartments, cupholders, and other extremely useful features are around every nook and cranny.
As much as I hate to say it, I almost like the second row seats better than the fronts! While the middle seat is a bit stiff, passengers sitting next to the doors are given more head, leg, and overall body comfort than any of the "Pedestrian" UV's I tried.
By the way, the Armada is a true SUV, not a minivan. Give some gas to one or go play in the mud, definately at home
Although, as mentioned many a time, my baby is a Petroholic... Well worth the price, though
The Aramada was a real Gas-a-Hog. I had one tire that was low in air and the tire pressure guage came on. Once I filled the air in the tire, gas mileage was dramitically improved. All tires are now all at 40ibs psi and that makes a big difference in gas milage.
Been hauling some stuff around and this "beast" is real good hauler. Very powerfull and with the leveling feature its awsome. Love my Armada.
For those of you looking, don't take me wrong. I love the Bose system. For most people, the Bose system is more than enough...
Any Nissan dealer have any inside info. on the newer Armadas? Allthough I got almost everything I wanted, these things are almost impossible to customize!! I wanted the Nav. package and sunroof, but not the leather. I would have liked the DVD player, but I didn't want the leather... I was really hoping to get the Off-Road, but again, you get the picture... I HATE leather...
Anybody know where there's info regarding putting in an aftermarket stereo? I have a really nice Premier unit that I'd like to install. Ditto on any info for aftermarket subs, etc.
Everything is pretty much ok on my Armada. There's a little resonance, but it's not a big deal to me. I guess mine's not as bad as the worst.
Overall, I would highly recommend an Armada.
Steve, Host