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 Seatbelt Pretensioner Handling Warning
Warning: When carrying an undeployed inflatable restraint seat belt
retractor pretensioner:
Do not carry the seat belt pretensioner by the seat belt webbing or
pigtail connector, if e ...
SIR Warning
Warning: This vehicle is equipped with a Supplemental Inflatable Restraint
(SIR) System. Failure to follow the correct procedure could cause the following
conditions:
Air bag deploymen ...
Other materials:
Battery Positive Cable Replacement
Removal Procedure
Disconnect the negative battery cable. Refer to Battery Negative Cable
Disconnection and Connection.
Remove the underhood fuse block cover.
Remove the battery positive nut (1) and the battery positive cable (2),
from the underhood fus ...
Air Conditioning Compressor and Condenser Hose Replacement (LUV)
Removal Procedure
Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
Remove the drivetrain and front suspension frame skid plate if equipped.
Refer to Drivetrain and Front Suspension Frame Skid Plate Replacement.
Remove the front fascia assembly. Re ...
Water Inlet Replacement (LUW)
Removal Procedure
Drain the engine coolant system. Refer to Cooling System Draining and
Filling.
Disconnect the engine coolant temperature sensor connector (1).
Remove the radiator outlet hose connector clip (2) and the radiator
outlet hose ...
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