Chevrolet Sonic Repair Manual: SIR Identification Views

Supplemental Inflatable Restraint Identification Views

(1)	Right Front Impact Sensor - Located under the hood at the front right side of the vehicle
(2)	Front Hood Assist Rod - A gas shock located under the front hood on the passenger side
(3)	Passenger Instrument Panel Air Bag - Located at the top right under the instrument panel
(4)	Right Roof Rail Air Bag - Located under the headliner, extending from the passenger front windshield pillar to the passenger rear windshield pillar
(5)	Right Front Side Impact Sensor - Located behind door panel on the passenger front door
(6)	Inflatable Restraint Sensing and Diagnostic Module - Located underneath the vehicle carpet under the center console
(7)	Passenger Seat Side Air Bag - Located on the seat back of passenger seat
(8)	Passenger Seat Belt Retractor Pretensioner - Located under the trim near the bottom of the center pillar on the passenger side of vehicle
(9)	Inflator Module for Right Roof Rail Air Bag - Located behind the garnish molding on the upper rear pillar
(10)	Rear Hood Assist Rod - A gas shock located under the rear truck lid on the passenger side
(11)	Rear Hood Assist Rod - A gas shock located under the rear truck lid on the driver side
(12)	Inflator Module for Left Roof Rail Air Bag - Located behind garnish molding on the upper rear pillar
(13)	Driver Seat Belt Retractor Pretensioner - Located under the trim near the bottom of the center pillar on the driver side of vehicle
(14)	Driver Seat Side Air Bag - Located on the seat back of driver seat
(15)	Left Front Side Impact Sensor - Located behind door panel on the driver front door
(16)	Left Roof Rail Air Bag - Located under the headliner, extending from the driver front windshield pillar to the driver rear windshield pillar
(17)	Driver Steering Wheel Air Bag - Located on the steering wheel
(18)	Front Hood Assist Rod - A gas shock located under the front hood on the driver side
(19)	Vehicle Battery - Located at the front left of the engine compartment
(20)	Left Front Impact Sensor - Located under the hood at the front left side of the vehicle

SIR Disabling and Enabling

SIR component location affects how a vehicle should be serviced. There are parts of the SIR system installed in various locations around a vehicle. To find the location of the SIR components refer ...

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 ...

Other materials:

Master Cylinder Bench Bleeding
Warning: Refer to Brake Fluid Irritant Warning. Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution. Secure the mounting flange of the brake master cylinder in a bench vice so that the rear of the primary piston is accessible. Remov ...

Brake Drum Diameter Measurement
Warning: Refer to Brake Dust Warning. Remove brake drum. Refer to Brake Drum Replacement Clean the brake shoe lining contact surface of the brake drum (2) with denatured alcohol or an equivalent approved brake cleaner. Using a brake drum micrometer (1) calibra ...

Automatic Transmission Flex Plate Installation
Special Tools EN-652 Automatic Transmission Flex Plate Holder For equivalent regional tools, refer to Special Tools. Clean the automatic transmission flex plate bolt threads. Install the automatic transmission flex plate (2) and the EN-652 holder to hold the automatic tran ...