# What speed do airbags deploy up to?

## What speed do airbags deploy up to?

Frontal air bags are generally designed to deploy in “moderate to severe” frontal or near-frontal crashes, which are defined as crashes that are equivalent to hitting a solid, fixed barrier at 8 to 14 mph or higher. (This would be equivalent to striking a parked car of similar size at about 16 to 28 mph or higher.)

## How long does it take for an airbag to inflate?

This gas fills a nylon or polyamide bag at a velocity of 150 to 250 miles per hour. This process, from the initial impact of the crash to full inflation of the airbags, takes only about 40 milliseconds (Movie 1). Ideally, the body of the driver (or passenger) should not hit the airbag while it is still inflating.

What is the maximum pressure in an air bag?

But even as it is filling with nitrogen gas, an airbag is already venting so that when the human body makes contact, it’s not running into the equivalent of a fully inflated Pirelli P7 radial. In fact, the maximum pressure in an airbag is less than 5 psi—even in the middle of a crash event.

### Why do airbags explode?

Chemical burns When a car crash happens, an electrical charge is triggered, causing the sodium azide or sodium hydroxide to explode and convert to nitrogen gas inside the bag. Often the bag ruptures and the high-temperature gases burn the driver or passengers.

### Why do airbags deflate quickly?

It follows Newton’s second law: its momentum continues until an outside force (usually the steering wheel, dash board or windshield) brings it to a stop. That’s why airbags inflate and then quickly deflate—to gradually bring the driver’s momentum from 60 mph to zero.

What PSI should I run in my air bags?

It is typical to run about 70-80 pounds of air pressure or more in the airbags to support a load like a truck camper. This amount of pressure is needed to level the vehicle, but causes an uncomfortable and rough ride. On your unloaded truck, go ahead and deflate your airbags.

## How much air do I put in my air shocks?

The proper pressure of an air shock should be between 35 and 75 PSI. If it is any lower than this, the shocks will need to be filled with air.

## Are there any airbag computer modules that work?

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Where are crash codes stored in an airbag control module?

Airbag control modules store hard and soft codes caused by accidents. Even after small accidents, fault codes will be stored in the module which will turn on the airbag light. We reset and clear all crash codes inside the computer module which will turn off the airbag light.

### How much air should I put in my air bags?

The maximum psi will vary with your specific air bag kit number, so you should check the instructions for your specific air bag kit. Most air bag kits will fall into this range. So, now that we have the maximum amount of air that you can put into your air bags out of the way, let’s look at how much you should put into them to get the ride you want.

### What happens when airbag module is unmatched?

The repaired module MUST GO BACK INTO THE SAME VEHICLE FROM WHICH IT WAS TAKEN. Airbag modules are matched to a specific car, like an address. Each airbag module is matched with all or part of the vehicle’s VIN. Unmatched modules will usually cause the airbag light to illuminate. Complete all other repairs first.