GMC Terrain (2018-2024) Repair Manual

Compact yet capable, the GMC Terrain (2018–2024) blends everyday practicality with modern technology and fuel efficiency. Keep your SUV performing at its best with the Haynes Repair Manual—your complete, step-by-step guide to maintenance and repairs specifically tailored for the Terrain.

Expert Guidance You Can Trust

Each Haynes manual is developed through real-world teardown and rebuild experience. You'll find clear instructions, torque specifications, detailed illustrations, and professional repair tips designed to help you service your vehicle confidently and save significantly compared to dealership costs.

Models & Engines Covered

• GMC Terrain (2018–2024)
• 1.5L inline-4 turbocharged gasoline
• 2.0L inline-4 turbocharged gasoline
• 1.6L inline-4 turbo-diesel

Common GMC Terrain Issues (and How This Manual Helps)

• Turbocharger oil leaks – Inspection steps and replacement procedures, often needed around 60k miles.
• Transmission shift hesitation – Includes fluid service intervals, fault diagnosis, and troubleshooting charts.
• Timing chain wear – Detailed, step-by-step replacement instructions for gasoline engines.
• Diesel emissions system problems – Covers DEF, DPF, sensors, and regeneration issues.
• Electrical faults – Starting, charging, wiring, and sensor troubleshooting included.
• Brake and ABS service – Rotor, pad, caliper, and sensor replacement procedures with illustrations.

Driving Habits That Affect Maintenance

City driving with stop-start use: Accelerates brake and battery wear; the manual shows easy DIY replacement procedures.

Highway mileage: Timing chain checks and transmission fluid servicing become increasingly important.

Diesel Terrain models: Emissions components—DPF, DEF, and sensors—require periodic service; detailed steps are included.

Older or high-mileage Terrains: Expect more frequent suspension, drivetrain, and electrical issues; comprehensive repair coverage is provided.

What’s Inside the Haynes Repair Manual

• Complete maintenance and repair instructions with factory torque specifications
• Service intervals and fluid charts tailored to Terrain engines
• Troubleshooting flowcharts for drivetrain, electrical, emissions, and cooling systems
• Coverage of brakes, suspension, steering, HVAC, body components, and wiring diagrams
• Hybrid format: printed manual plus convenient online access

Full List of Vehicles Covered

• Make: GMC
• Model: Terrain
• Year Range: 2018–2024

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

Engines Covered

• 1.5 Turbo Gas (LSD)
• 1.5 Turbo Gas (LYX)
• 1.6 Turbo Diesel (LH7)
• 2.0 Turbo Gas (LTG)