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Home >> Land Rover >> 2012 >> LR4 HSE Lux >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System >> Supplemental Restraint System >> Description & Operation >> Air Bag And Safety Belt PRETENSIONER Supplemental Restraint System (SRS) >> Driver Air Bag

Driver Air Bag

GJ0019014Courtesy of JAGUAR CARS, INC.
Item Number Description
1 Release tool slot and guide channel
2 Inflator stage 1 connector
3 Inflator stage 2 connector
4 Latch spring
5 Locating pin and spring
6 Latch hook

The driver air bag forms the center pad of the steering wheel. Four pins and two latches locate and secure the driver air bag to the steering wheel. The latches consist of wire springs on each side of the driver air bag which engage with hooks in the steering wheel. The driver air bag is released from the steering wheel by pulling on the wire springs with a special tool inserted through a slot on each side of the steering wheel hub. Springs on the locating pins then push the driver air bag away from the steering wheel.

A Lucar connector attaches a ground to the driver air bag.

The driver air bag has a two stage inflator, with separate electrical connectors for each stage. The inflator contains a non-azide propellant as the gas generator.

Lines moulded into the inner surface of the driver air bag cover provide weak points that split open in a controlled manner when the driver air bag deploys. The inflated volume of the air bag is 57 liters (2.01 ft3 ).