2020 Jeep Grand Cherokee Service and Repair Manual

2020 Jeep Grand Cherokee 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 diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

• Step-by-step repair procedures and service information
• Specifications and reference data (where provided)
• Electrical diagnostics with wiring diagrams
• Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

• High Altitude Sport Utility 4-Door
• Summit Elite Platinum Sport Utility 4-Door
• Summit Sport Utility 4-Door
• Trailhawk Sport Utility 4-Door
• Altitude Sport Utility 4-Door
• SRT Sport Utility 4-Door
• Laredo Sport Utility 4-Door
• Limited Lujo Advance Sport Utility 4-Door
• Trackhawk Sport Utility 4-Door
• Limited Sport Utility 4-Door
• Limited Lujo V8 Sport Utility 4-Door
• Overland Sport Utility 4-Door
• Limited X Sport Utility 4-Door
• Upland Sport Utility 4-Door
• Limited Lujo Sport Utility 4-Door
• North Sport Utility 4-Door

Engines covered

• 3.0L 2987CC 182Cu. In. V6 DIESEL DOHC Turbocharged
• 3.6L 3604CC 220Cu. In. V6 FLEX DOHC Naturally Aspirated
• 5.7L 345Cu. In. V8 GAS OHV Naturally Aspirated
• 6.4L 6424CC 392Cu. In. V8 GAS OHV Naturally Aspirated
• 6.2L 6166CC 376Cu. In. V8 GAS OHV Supercharged
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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