Chevrolet Silverado 2500/3500 (2020-2024) Repair Manual

Take control of the maintenance and repair of your Chevrolet Silverado HD 2500 or 3500 with the Haynes Workshop Manual for 2020–2024 models. Whether you're an experienced mechanic or a weekend DIYer, this comprehensive guide provides the step-by-step knowledge you need to keep your truck running at peak performance—while saving money on shop labor costs.

Backed by over 60 years of trusted Haynes expertise, this manual delivers real-world repair procedures, hundreds of photos and illustrations, clear instructions, and access to exclusive digital content that updates over time. Every system is broken down into practical steps to help you complete repairs accurately and confidently.

Models & Engines Covered

• Chevrolet Silverado 2500 HD & 3500 HD (2020–2024)
• 6.6L L5P V8 Turbo Diesel
• Online Only: 6.6L L8T V8 Gasoline

Common Repairs for 2020–2024 Silverado HD Trucks

• DEF system and NOx sensor failure – Frequent on L5P diesel models and may trigger warning lights or limp mode. DEF system coverage appears in Chapter 4B, Section 2; NOx sensor replacement is detailed in Chapter 4A, Section 8.
• Transmission fluid leaks or hard shifting – Seen on both gas and diesel models, especially under heavy towing. Oil seal replacement is found in Chapter 6, Section 5.
• Front suspension and steering wear – Ball joints, tie rods, and steering gear are common wear points, especially in towing or off-road conditions. These procedures are located in Chapter 10.
• Accelerated brake pad and rotor wear – Heavy towing increases brake system stress. Brake component replacement is covered in Chapter 9.

What’s Inside the Haynes Manual

• Printed manual plus online access to expanded digital content
• Step-by-step repair procedures with torque specifications for all major systems
• Hundreds of detailed illustrations and photos to simplify repairs
• Symptom-based Fault Finder troubleshooting tool
• Online maintenance schedules, diagnostic information, lubricants, fluids, and tire pressure charts

Why Choose This Manual

• Print + Online resources provide extended repair coverage and ongoing updates
• Multi-device access—view content on your phone, tablet, or desktop
• Clear component identification for faster, more accurate repairs
• User-friendly layout with the newest Haynes design format
• Ideal for DIY truck maintenance, troubleshooting, and performance tuning

Take Control of Your Truck’s Maintenance

Routine servicing helps extend the life of your Silverado HD while protecting its long-term value. From oil and filter changes to full diagnostics and driveline repairs, the Haynes Repair Manual gives you the expertise to do the job right the first time.

Order your Chevrolet Silverado HD 2500/3500 (2020–2024) Haynes Manual today and start saving time, money, and stress with professional-level repair guidance at your fingertips.

Full List of Vehicles Covered

• Make: Chevrolet
• Model: Silverado 2500 HD, Silverado 3500 HD
• Year Range: 2020–2024

This manual's year range reflects the coverage available when the manual was written. The vehicle’s production years may extend beyond this range.

Sub-Models Covered

• C/K-30/31
• MK IV

Engines Covered

• 6.6 (Duramax) Diesel (L5P)
• 6.6 (Duramax) Gas (L8T)