Chevrolet Sonic Repair Manual: SIR Service Precautions
- General Service Instructions
-
Warning:
When performing service on or near the SIR components or the SIR wiring, the SIR system must be disabled. Refer to SIR Disabling and Enabling . Failure to observe the correct procedure could cause deployment of the SIR components, personal injury, or unnecessary SIR system repairs.
Note:
The Inflatable Restraint Sensing and Diagnostic Module (SDM) maintains a reserved energy supply. The reserved energy supply provides deployment power for the SIR air bags. Deployment power may be available for up to 2 minutes after disconnecting the vehicle power. Disabling the SIR system prevents deployment of the SIR air bags from the reserved energy supply.
Note:
The following are general service instructions which must be followed in order to properly repair the vehicle and return it to its original integrity:
- Do not expose air bags to temperatures above 85?€‰?°C?€‰ (185?€‰?°F)
- Verify the correct replacement part number. Do not substitute a component from a different vehicle
- Use only original GM replacement parts available from your authorized GM dealer. Do not use salvaged parts for repairs to the SIR system
Note:
Discard any of the following components if it has been dropped from a height of 80?€‰cm?€‰(15.75?€‰in) or greater:
- Inflatable Restraint Sensing and Diagnostic Module
- Passenger instrument panel air bag
- Driver steering wheel air bag
- Driver steering wheel air bag coil
- Roof rail air bags
- Front and /or side impact sensors
- Seat belt achor and/or retractor pretensioners
- Front seat side air bag
- Knee air bag
SIR Identification Views
The SIR Identification Views shown below illustrate the approximate location
of all SIR components available for the vehicle. This will assist in determining
the appropriate SIR Disabling and Enab ...
Seat Adjustment
Manual Seats
Warning: You can lose control of the vehicle if you try to adjust
a driver seat while the vehicle is moving. Adjust the driver seat only when
the vehicle is not movin ...
Other materials:
SIR Inflator Module Handling and Storage Warning
Warning: When carrying an undeployed inflator module:
Do not carry the inflator module by the wires or connector.
Make sure the air bag opening points away from you.
When storing an undeployed inflator module:
Make sure the air bag opening points away from the surface o ...
Rear Seat Head Restraint Replacement
Rear Seat Head Restraint Replacement
Callout
Component Name
1
Rear Seat Head Restraint
Preliminary Procedures
Depress the large button on the head restraint guide and raise the
head restraint to the full up p ...
Heater Inlet Hose Replacement (LDE, LUW)
Special Tools
BO-38185 Hose Clamp Pliers
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Drain the cooling system. Refer to Cooling System Draining and Filling.
Disengage the heater inlet hose quick connect clip (1) at the heater
...
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