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  #1  
Old 12-18-2010
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Smashed Ford Ranger

Had a front End impact with our Ford Ranger ,15,000 worth of damage. The frame look like a crinkled french fry. The air bags didn't deploy which caused my husband to break his back in 2 places. they replaced the module and sensors for the airbags which tells me they were defected. Ford in Dearborn Michigan says the impact wasn't hard enough for the airbags to deploy . My husband was going 45mph at impact with a 5 ft ditch embankment trying to avoid some idiot who was blowing a red light and coming toward him head on.
Anyways anybody else have airbag problems with there 2008 Ford Ranger not deploying? Now Ford in Dearborn wants to inspect the Modules and Sensors because they still say after they were replaced that they are not activated.
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Old 12-18-2010
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45? I have to think that they should have gone off, at least I would hope so.
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Old 12-18-2010
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Was the airbag light on the dash on prior to the incident? If that light is on for any reason the airbag system will shut down and will not deploy under any circumstance.

Other than that I've not heard of any airbag problems, in fact there have been several members here who's airbags have gone off far to easily, typically while driving off road.
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  #4  
Old 12-18-2010
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sensors dont need to be activated but module does and im so sorry to hear your husbands hurt hope he is going to be ok
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  #5  
Old 12-18-2010
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Lawsuit?........I would
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  #6  
Old 12-18-2010
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It's funny, I hear of guys running though water too quickly off road and their airbags deploying. Yet every other week I hear about a Ranger wreck with no airbag deployment.
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  #7  
Old 12-18-2010
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If he didn't hit a brick wall its likely the bags wont pop. The system measures stopping force in only one direction. If he was sliding sideways or going up a hill it will lessened the forward decel and the bags wont go off.

I myself was in a ranger wreck although it had no bags and I suffered 2 compression fractures of t9 and t10. I was holding the dash on the passenger side which was a huge mistake, I have a lot of scare tissue along my spine. So mush so if you message my shoulder you will hear a crunchy sound. The driver not wearing a belt literally ate the steering wheel and had rotator cuff injury.


I ask you this does it look like someone hit him in the stomach and chest with a baseball bat? If it does then the bags should have went off. If not the impact wasn't great enough or he wasn't wearing his seat belt.
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Old 12-18-2010
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I'm in charge of my office's fleet of trucks and we've got 32 Rangers... We've had 3 accidents in the last week alone, 4 accidents in the last 45 days.

The first accident was just the bumped clipping another car... NOTHING else was damaged, but the airbag went off. The last accident was a rear-end collision (our dumbass driver was picking up his cell to see who was calling). The two other cars he hit had MINOR damage and his Ranger needed to be towed (front pass wheel fell off and major front end damage)... his airbag didn't go off.

The last accident was an '07... I believe the first accident was an '09 IIRC.
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  #9  
Old 12-20-2010
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Lights are very vivid and it was dark and they were NOT on.
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  #10  
Old 12-20-2010
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Originally Posted by The SuperDookie Ranger View Post
Lawsuit?........I would
We are trying
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  #11  
Old 12-20-2010
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let me know what you find out i have a 08 and if(knock on wood) i get in a wreak i want my airbags to work if they are supposed to
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  #12  
Old 12-20-2010
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Originally Posted by Blhde View Post
If he didn't hit a brick wall its likely the bags wont pop. The system measures stopping force in only one direction. If he was sliding sideways or going up a hill it will lessened the forward decel and the bags wont go off.

I myself was in a ranger wreck although it had no bags and I suffered 2 compression fractures of t9 and t10. I was holding the dash on the passenger side which was a huge mistake, I have a lot of scare tissue along my spine. So mush so if you message my shoulder you will hear a crunchy sound. The driver not wearing a belt literally ate the steering wheel and had rotator cuff injury.


I ask you this does it look like someone hit him in the stomach and chest with a baseball bat? If it does then the bags should have went off. If not the impact wasn't great enough or he wasn't wearing his seat belt.
He was wearing his seat belt, he hit the solid dirt embankment head on. Mind you we live in southern California this dirt embankment was HARD AS A ROCK, we don't get any rain except for now. He jump the side of the road curb went up in the air , the 4-5 ft ditch which was about 7 ft away from the road and then hit the other side of the of that ditch head on that is why the frame was a crinkle french fry and the dealer collision center couldn't under stand themselves why they didn't go off.
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Old 12-20-2010
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Good luck getting anything out of Ford. They have the resources to keep that tied up in court for years longer than you can afford. IF they wish to.


GB :)
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  #14  
Old 12-20-2010
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Originally Posted by Bird76Mojo View Post
Good luck getting anything out of Ford. They have the resources to keep that tied up in court for years longer than you can afford. IF they wish to.


GB :)
And they will. The only way you'll beat Ford in a lawsuit is by class action.
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  #15  
Old 12-20-2010
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Originally Posted by RazorsEDGE View Post
And they will. The only way you'll beat Ford in a lawsuit is by class action.

Or marry a lawyer and tell every major media organization that you can. Get bigtime news coverage about it and then Ford "may" decide to talk turkey with ya.. Only to avoid the bad press.



GB :)
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Old 12-20-2010
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Source

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Airbags are designed to deploy in frontal and near-frontal collisions more severe than a threshold defined by the regulations governing vehicle construction in whatever particular market the vehicle is intended for: U.S. regulations require deployment in crashes at least equivalent in deceleration to a 23 km/h (14 mph) barrier collision, or similarly, striking a parked car of similar size across the full front of each vehicle at about twice the speed.[28] International regulations are performance based, rather than technology-based, so airbag deployment threshold is a function of overall vehicle design.

Unlike crash tests into barriers, real-world crashes typically occur at angles other than directly into the front of the vehicle, and the crash forces usually are not evenly distributed across the front of the vehicle. Consequently, the relative speed between a striking and struck vehicle required to deploy the airbag in a real-world crash can be much higher than an equivalent barrier crash. Because airbag sensors measure deceleration, vehicle speed is not a good indicator of whether an airbag should have deployed. Airbags can deploy due to the vehicle's undercarriage striking a low object protruding above the roadway due to the resulting deceleration.

The airbag sensor is a MEMS accelerometer, which is a small integrated circuit with integrated micro mechanical elements. The microscopic mechanical element moves in response to rapid deceleration, and this motion causes a change in capacitance, which is detected by the electronics on the chip that then sends a signal to fire the airbag. The most common MEMS accelerometer in use is the ADXL-50 by Analog Devices, but there are other MEMS manufacturers as well.

Initial attempts using mercury switches did not work well. Before MEMS, the primary system used to deploy airbags was called a "rolamite". A rolamite is a mechanical device, consisting of a roller suspended within a tensioned band. As a result of the particular geometry and material properties used, the roller is free to translate with little friction or hysteresis. This device was developed at Sandia National Laboratories. The rolamite, and similar macro-mechanical devices were used in airbags until the mid-1990s when they were universally replaced with MEMS.

Nearly all airbags are designed to automatically deploy in the event of a vehicle fire when temperatures reach 150-200 C (300-400 F).[29] This safety feature, often termed auto-ignition, helps to ensure that such temperatures do not cause an explosion of the entire airbag module.

Today, airbag triggering algorithms are becoming much more complex. They try to reduce unnecessary deployments and to adapt the deployment speed to the crash conditions. The algorithms are considered valuable intellectual property. Experimental algorithms may take into account such factors as the weight of the occupant, the seat location, seatbelt use, and even attempt to determine if a baby seat is present.
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  #17  
Old 12-21-2010
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Originally Posted by Susee995 View Post
why the frame was a crinkle french fry
This is probably why the bags didn't go off. The frame absorbed the energy and slowed the truck down. Air bags will prevent the body from contacting the seat belt and the associated chest and neck injuries. With damage to the spine either energy traveled down your husbands arms or it traveled up from his butt and the belt held him in place until he suffered a fracture.

It sounds to me if the bags went off he still would have a back injury and two black eyes with a fat lip.

I am not a doctor just relaying things I have learned after my back injury. I wish him well as back pain is some of the worst to deal with.
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  #18  
Old 12-21-2010
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what year is the ranger? did the seatbelt pretensioner activate?

if the light was off, and the drivers seatbelt was buckled, and the front bumper was stock they should have went off
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  #19  
Old 12-21-2010
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Quote:
Originally Posted by Toreador4x4 View Post
what year is the ranger? did the seatbelt pretensioner activate?

if the light was off, and the drivers seatbelt was buckled, and the front bumper was stock they should have went off
my guess would be a 2008 becuase she mentioned something about 2008 rangers
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  #20  
Old 12-21-2010
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ohh...duh well then the questions still stand about the pretensioners. if the pretensioner went off the airbag attempted to deploy but did not for whatever reason
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  #21  
Old 12-21-2010
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ive had a serious frontal collision with my old ranger.. 98 ford ranger 4.0 slt.. 5000 worth of damage on a 8 years old at that time was a lot . 1 of the fork on the frame was bent backward. airbag never deployed, and i hit a brick wall doing 65 km /h...stupid..mess up my jaw and few fingers...

i think i could find picure.. but not on computer , ill try to scan them when i go at my moms house for christmas.

Last edited by cedrik101; 12-21-2010 at 01:02 PM.
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  #22  
Old 12-21-2010
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Originally Posted by Toreador4x4 View Post
what year is the ranger? did the seatbelt pretensioner activate?

if the light was off, and the drivers seatbelt was buckled, and the front bumper was stock they should have went off
2008 , yes the seat belt pretensioner activated and the truck was all stock
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