Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: SIR Service Precautions

Chevrolet Sonic Repair Manual / Body / Restraints / Secondary / 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:

Disarming the System
To disarm the system, either unlock the doors using the RKE transmitter, or start the vehicle with a recognized transmitter in the vehicle. To avoid setting off the alarm by accident: Press on the RKE transmitter. Start the vehicle. To avoid setting off the alarm by accident: Lock t ...

Piston, Connecting Rod, and Bearing Cleaning and Inspection
Special Tools EN-470-B Angular Torque Wrench For equivalent regional tools, refer to Special Tools. Visual Inspection And Cleaning Procedure Connecting Rod Warning: Wear safety glasses when using compressed air in order to prevent eye injury. Clean the connecting rod ...

Transmission Control Replacement
Transmission Control Replacement Callout Component Name Preliminary Procedures Remove the front floor console. Refer to Front Floor Console Replacement. Disconnect the range selector lever cable. Refer to Range Select ...

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