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:
Cruise Control
If the vehicle is equipped with cruise control, a speed of about 40 km/h (25
mph) or more can be maintained without keeping your foot on the accelerator. Cruise
control does not work at speeds below 40 km/h (25 mph).
Warning
Cruise control can be dangerous where you cannot drive safely at a st ...
Turbocharger Installation
Special Tool
EN-49942 Holding Wrench
For equivalent regional tools, refer to Special Tools.
Clean the sealing surfaces.
Replace the connect fittings on the turbocharger coolant feed pipe and the
turbocharger coolant return pipe. Refer to Turbocharger Disassemble and Turbocharger
Ass ...
Drive Sprocket, Driven Sprocket, and Drive Link Cleaning and Inspection
Drive Sprocket, Driven Sprocket, and Drive Link Cleaning and Inspection
Callout
Component Name
1
Drive Sprocket Thrust Washer
2
Drive Sprocket Retainer Ring
3
Drive ...
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