L322 Range Rover Service Procedures
GENERAL INFORMATION
03-28
SRS Component Replacement Policy
The following information details the policy for
replacement of SRS components; either as a result
of a vehicle accident or as a result of vehicle age.
WARNING: All components of the SRS must be
replaced every 15 years.
Impacts which do not deploy the airbags or pre-
tensioners
Check for structural damage in the area of the impact
paying particular attention to bumper armatures,
longitudinals and bracketry.
Impacts which deploy the airbags or pre-
tensioners
The replacement and inspection policy is dependent
on the type and severity of the crash condition. The
following guidelines are the minimum that should be
exercised as a result of the deployment of specific
SRS components.
Check for structural damage in the area of the
impact paying particular attention to bumper
armatures, longitudinals and bracketry.
CAUTION: The SRS DCU must be replaced after
every deployment has occurred.
CAUTION: The SRS side impact sensor must be
replaced after every side deployment has
occurred. Only replace the side impact sensor on
the deployed side.
Front airbag deployment (driver and passenger)
If the front airbags are deployed, the following
components must be replaced:
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Driver airbag module
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Passenger airbag module
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Fly leads (where applicable) connecting front
airbag modules to SRS harness
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Front seat belt buckle pre-tensioners
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Rear seat belt pre-tensioners - if fitted
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Driver's seat belt retractor - if fitted
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Rotary coupler
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SRS DCU
In addition, the following should be inspected for
damage and replaced as necessary:
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Front passengers seat belt retractor - webbing,
tongue latching, 'D' loop, body anchorage point
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Rear seat belt buckles - webbing, buckle covers,
body anchorage, and tongue latching function
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Fascia moulding adjacent to passenger airbag
module
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Steering wheel
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Front seat frames and head restraints
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Steering column - if adjustment is lost or if there
are signs of collapse
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Seat belt height adjusters
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Rear seat belts
Side (Thorax airbags)
If the side (thorax) airbags are deployed, the
following components must be replaced on the side
of the vehicle on which the deployment occurred:
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Side (thorax) airbag.
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Both side impact sensors.
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SRS DCU.
In addition, the following should be inspected for
damage and replaced as necessary:
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Front seat belts - retractors, webbing, tongue
latching, 'D' loop, body anchorage points
l
Rear seat buckles - webbing, buckle covers,
tongue latching, body anchorage points
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Front seat frame and head restraints
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Door trim casing
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Seat belt height adjusters
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Rear seat belts
Head airbag modules
If the head airbag modules are deployed, the
following components must be replaced on the side
of the vehicle on which deployment occurred:
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Head airbag modules
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Link lead between airbag gas generator and
SRS harness
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Airbag retaining clips
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Internal trim finisher
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Front seat belt buckle pre-tensioners
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SRS DCU
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Both side impact crash sensors
In addition, the following should be inspected for
damage and replaced as necessary:
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Headlining
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Mounting brackets
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Front seat belts – retractors, webbing, tongue
latching, 'D' loop and body anchorage points.
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Rear seat belt buckles – webbing, buckle
covers, tongue latching and body anchorage
points
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Adjacent trim components
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Seat belt height adjusters