2021 Chevrolet Onix Service and Repair Manual

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Factory-Grade Data

2021 Chevrolet Onix 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

  • Premier Sedan 4-Door
  • LT Sedan 4-Door
  • LS Sedan 4-Door

Engines covered

  • 1.2L l3 GAS DOHC Turbocharged
  • 1.0L l3 GAS DOHC Turbocharged

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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Payment methods

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  • Mastercard
  • PayPal
  • Union Pay
  • Visa

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Vehicle Safety Data

2021 Chevrolet Onix Recalls & Complaints

No active recalls The 2021 Chevrolet Onix has no recalls on file with NHTSA.
TSB #10238190

This service bulletin describes the U.S. Dealer Special Tool Loan Program process.

TSB #10237960

This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).

TSB #10237846

This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use.

TSB #10237841

This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).

TSB #10237387

This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is

TSB #10237349

This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

TSB #10237340

This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).

TSB #10236041

This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.

Showing the 8 most recent of 54 technical service bulletins on file with NHTSA.

20221130Component: AIR BAGSCrash reported1 injured

What component or system failed or malfunctioned, and is it available for inspection upon request? Lateral Air bags did no activate due to a crash accident, car was hit in the

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