That ain't right! (Strut, round 2)
Suddenly, I hear a big *BANG*. I walk out of the bedroom and everyone says, "Geez, did you hear that? What was that? Was that in the back yard?" I go out to the garage and see image #1 below. Around to the right of the car, I saw image #2. I look underneath and see image #3. After searching around and finally using the really freaky jack to raise the car, I found image #4 just above the wheel. That ain't right. Image 5 is what was left on the ground after I backed out. My head could've been under there when it blew and I could've gotten something in my eye or worse had my head pinned under the suspension.
I flatbedded the truck to the dealership. We'll see what's next. First the left strut leaks and needs to be replaced. Now the right bag blows. Which really blows!
Ugh.
STP
God love the woman, she's born for the Autobahn.
STP
Good grief.....what if that happened at 80mph!!!
STP
I have never heard of that happening to an air suspension bag... Thats totally messed up!
The only thing I could think of that would cause that is a malfunction in the pressure sensor that would cause the pump to overpressurize the bag... But that is unlikely... Those bags are made to take a heck of a lot of pressure before failing.
Maybe there was a flaw in the bag itself during manufacture...
That's F'd up. I am glad you were nowhere near your GL when this happened. You are reinforcing my belief that I either need to get rid of my GL before the warranty expires or get an extended warranty......
You still coming to Vegas next month???????????
Jeff
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Since I've replaced two of the struts, both in front, Barb's asking me how many more times this can happen. Of course I can't answer her honestly, but I did say, "Well ... twice, 'cause there's two more struts."
It has to have been a manufacturing defect, to my mind, because of the way that highly reinforced bag tore. But that doesn't make it any better, now does it?
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I'm still at the verge of what I would've paid for a full warranty, but I'm under 60K miles. As I've said before, bode well it does not.
STP
The mechanic showed me the strut. He explained that it couldn't have been an overpressure because of redundancy in the relief valves both at the pump and in the strut. Also, it's nearly impossible to overpressure the bags (you can see how thick they are, reinforced and such, the same as are used on semi and RV suspensions). My impression from the damage is some manufacturing defect. There's sort of a start point, an area that's a little more frayed than the rest, but the tear's nearly all the way around the bag. He said he'd seen bags blow before but very, very rarely and even moreso since 2005's models. (I think Airmatic came out in 2000?)
I don't know that losing the airbag would've affected actual controlability, as there was no difference I could feel in the short distance I moved it to get it to the tow truck. But certainly perceived controllability, as well as the sudden shock of having the corner drop, would cause a problem. And still, this is a potential problem that NHTSA and MBUSA should both know about and weigh in on.
I think the most effective way to go about it would be to write NHTSA, cc:MBUSA, and include a cover letter to MBUSA about the situation. What do you guys think?
STP
Did you have to pay to have it fixed? Was the failure on the side where they replaced the strut previously?
There is one other possibility that could cause the failure... The bag may have been somehow damaged when it was installed the first (or second) time... Something could have taken a chunk out of the bag making it a ticking time bomb...




https://www-odi.nhtsa.dot.gov/ivoq/Consumer.cfm
Did you have to pay to have it fixed? Was the failure on the side where they replaced the strut previously?
There is one other possibility that could cause the failure... The bag may have been somehow damaged when it was installed the first (or second) time... Something could have taken a chunk out of the bag making it a ticking time bomb...
STP

Jokes aside though, glad that everyone is safe. Any word back fro MBUSA?
STP

That's crazy! To be honest, I didn't read the last half of the thread so I'm not sure if anything else was mentioned, but good luck getting your car fixed!
I just got back from taking mine to the cabin in Vermont and pounded the crap out of the suspension on our 3 mile dirt/frost heave/mud, rut road and all held together anyway. I've put over 36K on the truck in the past two years.....all going from here to there and this trip was the first one that I actually thought about something nasty potentially happening.........I would think if there was an inherent weakness in the design, I probably would have encountered the issue by now
Hope you get through this and have 0 problems from here on in....you deserve a break!!!




