2021 Chevrolet Blazer Service and Repair Manual

2021 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

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

Engines covered

• 2.5L 2457CC 153Cu. In. l4 GAS DOHC Naturally Aspirated
• 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