2012 Ram 1500 Service and Repair Manual

2012 Ram 1500 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

• Tradesman HD Standard Cab Pickup 2-Door
• Sport Standard Cab Pickup 2-Door
• SLT Crew Cab Pickup 4-Door
• ST Extended Cab Pickup 4-Door
• Outdoorsman Extended Cab Pickup 4-Door
• Laramie Extended Cab Pickup 4-Door
• Sport Crew Cab Pickup 4-Door
• Tradesman Extended Cab Pickup 4-Door
• Express Standard Cab Pickup 2-Door
• Tradesman Crew Cab Pickup 4-Door
• SLT Standard Cab Pickup 2-Door
• Express Crew Cab Pickup 4-Door
• Laramie Longhorn Crew Cab Pickup 4-Door
• Outdoorsman Crew Cab Pickup 4-Door
• Sport Extended Cab Pickup 4-Door
• Big Horn Extended Cab Pickup 4-Door
• Big Horn Crew Cab Pickup 4-Door
• Laramie Crew Cab Pickup 4-Door
• Outdoorsman Standard Cab Pickup 2-Door
• Express Extended Cab Pickup 4-Door
• ST Standard Cab Pickup 2-Door
• SLT Extended Cab Pickup 4-Door
• ST Crew Cab Pickup 4-Door
• Tradesman Standard Cab Pickup 2-Door

Engines covered

• 5.7L 345Cu. In. V8 GAS OHV Naturally Aspirated
• 4.7L 287Cu. In. V8 FLEX SOHC Naturally Aspirated
• 3.7L 226Cu. In. V6 GAS 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