Land Rover Discovery Owners & Service Manuals

Land Rover Discovery: Air Bags

Highly flammable, explosive - observe No Smoking policy.

Used within the vehicle as safety restraints.

The inflator contains a high-energy propellant which, when ignited, produces a VERY HOT GAS (2500ºC).

The gas inflator (generator) used in air bags is Sodium Azide. This material is hermetically sealed in each air bag module and is completely consumed during deployment. No attempt should be made to open an air bag inflator as this will lead to the risk of exposure to Sodium Azide. If a gas generator is ruptured, full protective clothing should be worn when dealing with the spillage.

After normal deployment, gloves and safety goggles should be worn during the handling process.

Deployed air bags should be disposed of in a plastic bag in accordance with local regulations at an approved chemical waste site.

Following any direct contact with Sodium Azide:

  • Wash affected areas thoroughly with water.

Air Bags - Do's

  • Do store modules in an upright position.
  • Do keep modules dry.
  • Do carry modules with the cover side pointing away from the body.
  • Do place modules with their cover side upwards.
  • Do carefully inspect modules for damage.
  • Do stand to one side when connecting modules.
  • Do make sure all test equipment is properly calibrated and maintained.
  • Do wash hands after handling deployed air bags.

Air Bags - Do Not

  • Do Not store highly flammable material together with modules or gas generators.
  • Do Not store gas generators at temperatures exceeding 80ºC.
  • Do Not store modules upside down.
  • Do Not attempt to open a gas generator housing.
  • Do Not expose gas generators to open flame or sources of heat.
  • Do Not place anything on top of a module cover.
  • Do Not use damaged modules.
  • Do Not touch a fired module or gas generator for at least 10 minutes after firing.
  • Do Not use any electrical probes on the wiring circuit.


Whenever work is being undertaken on the air suspension system, suitable eye protection must be worn.


Highly flammable, combustible - observe No Smoking policy.

Skin contact may result in frostbite.

Instructions given by the manufacturer must be followed. Avoid naked lights, wear suitable protective gloves and goggles.

If refrigerant comes into contact with the skin or eyes, rinse the affected areas with water immediately. Eyes should also be rinsed with an appropriate irrigation solution such as a solution of 9% Sodium Chloride and Purified Water. DO NOT RUB THE EYES AND SEEK IMMEDIATE MEDICAL ATTENTION.


Do Not

  • Do Not expose refrigerant bottles to sunlight or heat.
  • Do Not expose refrigerant bottles to frost.
  • Do Not drop refrigerant bottles.
  • Do Not vent refrigerant to atmosphere under any circumstance.
  • Do Not mix refrigerants.


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