Question about 2007 Chevrolet Colorado (Extended Cab) New Cars

6 Answers

Passenger airbag sensor

I had a faulty passenger airbag sensor. After the dealer replaced the sensor, there has been an awful smell in the truck. I heard there was some type of oil pouch or bag associated with the airbag, is so, could that have been punctured and that's what I'm smelling? Any ideas?

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  • gjljslo Jul 02, 2008

    I need to know if there is an oil pouch or bag in the benchseat that could possibly have been puntured when they replaced the airbag sensor.

  • gjljslo Jul 02, 2008

    Is there liquid in the sensor?

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Re-check it through the dealer.if any thing is placed wrong or loose inside.
rate the solution

Posted on Jul 02, 2008

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Better you can suggest with the dealer ,because something might have gone wrong while replacing ,and also check whether the fixed sensors OEM number is same as the old one ,and also check whether the sensor is placed correctly.Because doing trial and error method without seeing the problem is difficult,so check with the dealer

Posted on Jul 02, 2008

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As per IrishDruid it,s best to take to dealer as car is still in warranty get any manual work done may lead to out of warranty , Sodium azide (NaN3) and potassium nitrate (KNO3) react very quickly to produce a large pulse of hot nitrogen gas. This gas inflates the bag, which literally bursts out of the steering wheel or dashboard as it expands yes there are changes of the defect which is happened when replacing the sensor ,PLease get it check as this could let failure of your car airbags.......................



Good luck.............

Posted on Jul 02, 2008

  • Anand Kumar
    Anand Kumar Jul 02, 2008

    Yes :
    An airbag inflator includes a pair of telescoping pistons slidingly
    mounted within a housing. Pressurization of a combustion chamber by a
    pyrotechnic initiator acts on one piston to pressurize a hydraulic
    fluid chamber, which, in turn, acts on the other piston to pressurize a
    liquid propellant reservoir. Liquid propellant can then be
    regeneratively pumped from the reservoir into the combustion chamber
    for combustion to generate an airbag inflation gas. A hydraulic fluid
    damping chamber is utilized to exert a controllable retarding force on
    the one piston, such as to control the rate of airbag inflation gas
    generation.


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Better go back to dealer . Something may be fitted wrong.

Posted on Jul 02, 2008

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jul 02, 2008

    Several very important points must be kept in mind about replacing crash sensors. One is to make sure the replacement is the correct one for the application. Crash sensors are calibrated for specific vehicle applications, so compare OEM part numbers to make sure your parts supplier has given you the correct replacement part.

    The mounting of the sensor is also critical. A replacement sensor must be installed in exactly the same location as the original, and at the same angle. The sensor must also be firmly attached so it won't break loose in a future collision. Altering the mounting location or position of a sensor may cause it to trigger the air bag accidentally or not at all.

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It is best you take it back to the dealer nad have them investigate. After all, they are the ones who fixed it up, so if there is, in fact, any leakage, they should sort it out for you for free, rather than you try to do a DIY..

Posted on Jul 02, 2008

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Model no plz.

Posted on Jul 02, 2008

  • Yaz  S
    Yaz S Jul 02, 2008

    The smell will dissipate shortly, and is not a drug. It's nitrogen gas, a component of good old air you breathe. The airbag's inflation system reacts sodium azide (NaN3) with potassium nitrate (KNO3) to produce nitrogen gas. Hot blasts of the nitrogen inflate the airbag

  • Yaz  S
    Yaz S Jul 02, 2008

    yes, i agree with IrishDruid that u take it back to the dealer to investigate bcoz any faulty problems with the air bag sensor are likely that it blows up unexpectedly while driving.



    All the best



    Thank you for using Fixya






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