2012 Chevrolet Sonic Service and Repair Manual

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Factory-Grade Data

2012 Chevrolet Sonic service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • LTZ Sedan 4-Door
  • LTZ Hatchback 4-Door
  • LS Hatchback 4-Door
  • LT Hatchback 4-Door
  • LT Sedan 4-Door
  • LS Sedan 4-Door

Engines covered

  • 1.6L 1598CC 98Cu. In. l4 GAS DOHC Naturally Aspirated
  • 1.8L 1796CC 110Cu. In. l4 FLEX DOHC Naturally Aspirated
  • 1.4L 1364CC 83Cu. In. l4 GAS DOHC Turbocharged
  • 1.6L 1588CC 98Cu. In. l4 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2012 Chevrolet Sonic Recalls & Complaints

NHTSA #11V59900028/12/2011Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

GENERAL MOTORS (GM) IS RECALLING CERTAIN MODEL YEAR 2012 CHEVROLET SONIC VEHICLES MANUFACTURED FROM JUNE 2, 2011, THROUGH NOVEMBER 21, 2011. ON SOME OF THESE VEHICLES, THE FRONT B

Consequence

A MISSING PAD COULD RESULT IN REDUCED BRAKE SYSTEM PERFORMANCE, INCREASING THE RISK OF A C

Remedy

GM WILL NOTIFY OWNERS, AND DEALERS WILL INSPECT THE FRONT BRAKES FOR A MISSING INNER OR OU

NHTSA #13V02300024/01/2013Component: AIR BAGS

General Motors LLC (GM) is recalling certain model year 2012 Chevrolet Camaro, Cruze and Sonic, and model year 2012 Buick Verano vehicles. The driver side frontal air bag has a sh

Consequence

If the bar and terminals are contacting each other at the time of a crash necessitating de

Remedy

GM will notify owners, and dealers will replace the steering wheel air bag coil, free of c

NHTSA #12V40800020/08/2012Component: VISIBILITY:WINDSHIELD WIPER/WASHER

General Motors LLC (GM) is recalling certain model year 2012 Chevrolet Sonic vehicles manufactured from May 5, 2011, through February 24, 2012. These vehicles fail to conform to F

Consequence

A lack of washer fluid could impede the driver's view, increasing the risk of a crash.

Remedy

GM will notify owners, and dealers will secure the windshield washer hose to prevent separ

TSB #11030974

This preliminary information communicates information about how to determine if a wheel and tires size change is available.

TSB #11030092

This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

TSB #11030091

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

TSB #11027601

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

TSB #11026104

This service bulletin provides information on Tire Sidewall Irregularities.

TSB #11026017

This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

TSB #11025755

This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customers vehicles that exhibit vibration conditions without utilizing the s

TSB #11024485

The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.

Showing the 8 most recent of 656 technical service bulletins on file with NHTSA.

20170324Component: AIR BAGSCrash reported2 injured

MY WIFE AND I W'ER HIT BY A PERSON THAT RAN A RED LIGHT THE CAR WAS TOTTLED OUT WITH MAJOR FRONT END DAMAGE NO AIR BAGS DEPLOYED AT ALL WHEN THE SIDE AIR BAGS SHOULD HAVE DEPLOYED

20170324Component: ELECTRONIC STABILITY CONTROL (ESC)Crash reported2 injured

MY WIFE AND I W'ER HIT BY A PERSON THAT RAN A RED LIGHT THE CAR WAS TOTTLED OUT WITH MAJOR FRONT END DAMAGE NO AIR BAGS DEPLOYED AT ALL WHEN THE SIDE AIR BAGS SHOULD HAVE DEPLOYED

20170324Component: ELECTRICAL SYSTEMCrash reported2 injured

MY WIFE AND I W'ER HIT BY A PERSON THAT RAN A RED LIGHT THE CAR WAS TOTTLED OUT WITH MAJOR FRONT END DAMAGE NO AIR BAGS DEPLOYED AT ALL WHEN THE SIDE AIR BAGS SHOULD HAVE DEPLOYED

20171124Component: ELECTRONIC STABILITY CONTROL (ESC)Crash reported1 injured1 fatalities

TL* THE CONTACT OWNED A 2012 CHEVROLET SONIC. WHILE THE CONTACT'S HUSBAND WAS DRIVING 35 MPH IN INCLEMENT WEATHER, THE CONDITION WENT FROM RAIN TO SNOW AND THE VEHICLE STARTED TO F

Showing the 4 most serious of 519 complaints filed with NHTSA.

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