2012 Ram 2500 Service and Repair Manual

2012 Ram 2500 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

• SLT Crew Cab Pickup 4-Door
• Hemi Sport Standard Cab Pickup 2-Door
• SLT Standard Cab Pickup 2-Door
• Outdoorsman Extended Crew Cab Pickup 4-Door
• R/T Standard Cab Pickup 2-Door
• Laramie Longhorn Crew Cab Pickup 4-Door
• Outdoorsman Crew Cab Pickup 4-Door
• SLT Extended Crew Cab Pickup 4-Door
• Laramie Crew Cab Pickup 4-Door
• Outdoorsman Standard Cab Pickup 2-Door
• Laramie Extended Crew Cab Pickup 4-Door
• Laramie Longhorn Extended Crew Cab Pickup 4-Door
• ST Standard Cab Pickup 2-Door
• ST Crew Cab Pickup 4-Door
• Power Wagon Crew Cab Pickup 4-Door

Engines covered

• 5.7L 345Cu. In. V8 GAS OHV Naturally Aspirated
• 6.7L 408Cu. In. l6 DIESEL OHV Turbocharged
• 5.7L 345Cu. In. V8 BI-FUEL OHV Naturally Aspirated
• 4.7L 287Cu. In. V8 FLEX SOHC Naturally Aspirated

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