2023 Chevrolet Blazer Service and Repair Manual

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Factory-Grade Data

2023 Chevrolet Blazer 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

  • RS Sport Utility 4-Door
  • True North Sport Utility 4-Door
  • Premier Sport Utility 4-Door
  • LT Sport Utility 4-Door

Engines covered

  • 3.6L 222Cu. In. V6 GAS DOHC Naturally Aspirated
  • 2.0L 1998CC 122Cu. In. l4 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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  • Google Pay
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  • Mastercard
  • PayPal
  • Union Pay
  • Visa

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Vehicle Safety Data

2023 Chevrolet Blazer Recalls & Complaints

NHTSA #23V17200016/03/2023Component: POWER TRAIN:AUTOMATIC TRANSMISSION

General Motors, LLC (GM) is recalling certain 2023 Cadillac XT6, GMC Acadia, Chevrolet Blazer, Traverse, and 2022-2023 Cadillac XT5 vehicles. The transmission may have been built

Consequence

A half-shaft disengaging from the transmission can result in a loss of drive power or vehi

Remedy

Dealers will replace the sun gears, free of charge. Owner notification letters were maile

NHTSA #23V04200002/02/2023Component: POWER TRAIN:DRIVELINE:DRIVESHAFT

General Motors, LLC (GM) is recalling certain 2023 Chevrolet Blazer and Traverse vehicles. The left-side half-shaft assemblies may be missing a retaining ring.

Consequence

A missing retaining ring on the half-shaft can cause half-shaft inner joint separation, re

Remedy

Dealers will replace the left-side half-shaft assembly, free of charge. Owner notificatio

TSB #11032784

This Preliminary information communicates to dealers a procedure to reset the radio.

TSB #11032767

This Preliminary information communicates to dealers a procedure to reset the radio.

TSB #11032766

PI created to guide technicians through radio restriction process

TSB #11032764

Pi created to provide GM dealers with information on gathering information for projection issue

TSB #11032763

This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

TSB #11032559

This Preliminary information communicates to dealers a procedure to reset the radio.

TSB #11030974

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

TSB #11030532

Improvements to OnStar functionality.

Showing the 8 most recent of 564 technical service bulletins on file with NHTSA.

20250805Component: SERVICE BRAKESCrash reported1 injured

The contact's father owns a 2013 Chevrolet Blazer. The contact stated that while his father was driving at approximately 40 MPH straight forward, the brake pedal was depressed, and

20250805Component: AIR BAGSCrash reported1 injured

The contact's father owns a 2013 Chevrolet Blazer. The contact stated that while his father was driving at approximately 40 MPH straight forward, the brake pedal was depressed, and

20241031Component: SERVICE BRAKESCrash reported

While my wife was pulling into park the car and pressing the brake, the car all of a sudden accelerated into the building. Pressing the brake failed to stop the car. No person was

20241031Component: UNKNOWN OR OTHERCrash reported

While my wife was pulling into park the car and pressing the brake, the car all of a sudden accelerated into the building. Pressing the brake failed to stop the car. No person was

Showing the 4 most serious of 53 complaints filed with NHTSA.

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