🏷️ Basic Information

Make:

Dodge

Model:

Ram 1500, 2500, 3500

Model Years Covered:

2012, 2013

Platform Code:

DS/DJ (for 1500), DB/DD (for 2500/3500)

👋 Introduction

Market Position:

The Ram 1500, 2500, and 3500 trucks for the 2012-2013 model years represented a significant evolution in Chrysler's truck lineup, focusing on improved refinement, capability, and efficiency. This manual serves the professional technician and the dedicated DIY enthusiast seeking to maintain and repair these robust vehicles.

Competitive Analysis:

Competed directly with Ford F-Series, Chevrolet Silverado/GMC Sierra, and Toyota Tundra. This generation of Ram trucks aimed to differentiate through its Hemi V8 engines, coil spring rear suspension (on 1500), and the introduction of the Cummins turbodiesel for heavy-duty models.

Key Features:

This manual is the definitive resource for maintaining the integrity and performance of your Dodge Ram. It offers in-depth, factory-correct procedures essential for accurate repairs and diagnostics, mirroring the information used by authorized service centers.

📋 Manual Details

Coverage Areas:

All major mechanical, electrical, diagnostic, and body systems

Body And Interior:

Covers removal and installation of exterior body panels (doors, fenders, hood, bumpers), interior trim components, seating systems, and airbags.

Page Count:

Varies, typically 2000+ pages for comprehensive factory service manuals

Manual Type:

Factory Service Manual (FSM) / Online Repair Manual

Language:

English

Format:

Digital Download (PDF)

Accessibility:

Accessible on computers, tablets, and smartphones with PDF reader capabilities.

📖 Manual Coverage

Systems Covered:

Engine mechanical (3.6L Pentastar V6, 5.7L HEMI V8, 6.4L HEMI V8, 6.7L Cummins I6 Turbo Diesel), transmission (5-speed and 6-speed automatic, manual), drivetrain, suspension, steering, brakes (ABS, hydraulic), HVAC, fuel system, exhaust system, electrical system (ECU, body control module, lighting, instrumentation), chassis, interior trim, exterior body panels, diagnostic procedures, wiring diagrams

Engine Mechanical Diesel:

Detailed procedures for 6.7L Cummins turbodiesel, including fuel injection, turbocharger, exhaust gas recirculation (EGR), cooling system, and engine block disassembly/assembly.

Electrical System Diagnostics:

Includes comprehensive wiring diagrams, fuse and relay locations, module diagnostics (PCM, BCM, TCM, ABS module), and troubleshooting for various electrical faults.

Exhaust System:

Catalytic converter, muffler, pipes, oxygen sensors, diesel particulate filter (DPF) and selective catalytic reduction (SCR) system for Cummins.

Fuel System Diesel:

High-pressure common rail fuel system diagnostics, injector testing and replacement, fuel filter replacement, lift pump.

Procedures Included:

Scheduled maintenance, routine inspections, diagnostics, component removal and installation, overhaul procedures, torque specifications, fluid capacities, wiring schematic interpretation, troubleshooting guides, emission control system repair

Brake System Repair:

Front and rear brake pad and rotor replacement, caliper service, brake fluid bleeding, ABS component diagnostics, parking brake adjustment.

Suspension Steering Repair:

Front and rear suspension component replacement (shocks, struts, ball joints, control arms, coil springs), steering gear service, power steering system diagnostics.

Charging System Repair:

Alternator testing and replacement, battery diagnostics, starter motor service.

Ignition System Repair:

Spark plug replacement (V6/V8), ignition coil testing and replacement, glow plug service (diesel).

Technical Depth:

Comprehensive, from basic fluid changes and filter replacements to advanced engine and transmission rebuilds, electrical system diagnostics, and chassis component overhauls.

Diagnostic Codes:

Detailed listing and interpretation of Diagnostic Trouble Codes (DTCs) for all major systems, with step-by-step diagnostic procedures for common faults.

Torque Specifications:

Precise torque values for critical fasteners across all vehicle systems, including engine, transmission, suspension, and chassis components.

📊 Manual Specifications

File Format:

PDF

Searchable Text:

Yes, the PDF format allows for full text searching of repair procedures, specifications, and diagnostics.

Print Quality:

High-resolution, printable pages with clear diagrams and text

Binding Type:

N/A (Digital)

Paper Type:

N/A (Digital)

⚙️ Engine Specifications

Primary Engine 1500:

3.6L Pentastar V6 (283 hp @ 6400 rpm, 260 lb-ft @ 4800 rpm)

Primary Engine 1500 Optional:

5.7L HEMI V8 (395 hp @ 5600 rpm, 410 lb-ft @ 3950 rpm)

Primary Engine 2500 3500:

6.4L HEMI V8 (410 hp @ 5600 rpm, 429 lb-ft @ 4000 rpm)

Primary Engine Heavy Duty Optional:

6.7L Cummins I6 Turbo Diesel (350 hp @ 2800 rpm, 660 lb-ft @ 1500 rpm - standard output; 370 hp @ 2800 rpm, 800 lb-ft @ 1600 rpm - HO output)

Engine Monitoring:

On-board diagnostics (OBD-II), engine control module (ECM) calibration and diagnostics covered.

Engine Cooling System:

Radiator, fan clutch (diesel), coolant reservoir, thermostat, water pump and coolant flow diagnostics.

Fuel System Type:

Multi-point fuel injection (MPI)

Fuel Type:

Unleaded gasoline (87 octane minimum recommended for Pentastar and Hemi), Diesel fuel for Cummins

🔧 Transmission

Transmission 1500 Standard:

5-speed automatic (545RFE/68RFE)

Transmission 2500 3500 Standard:

6-speed manual (G56) or 6-speed automatic (68RFE)

Transmission 1500 Optional:

6-speed automatic (65RFE/8HP70 - for later 2012 models and 2013)

Transmission Features:

Tow/Haul mode, electronic shift control, transmission fluid cooler specifications and maintenance.

📐 Dimensions

Exterior Dimensions 1500:

Varies by cab and bed configuration (e.g., Crew Cab, Short Bed ~237" L x 79.4" W x 74.6" H)

Exterior Dimensions 2500 3500:

Varies by cab and bed configuration (e.g., Mega Cab, Long Bed ~258" L x 80" W x 78" H)

Cargo Bed Lengths:

5'7" (short bed), 6'4" (standard bed), 8'0" (long bed)

Gross Vehicle Weight Rating Gvwr:

Ranges from ~7,000 lbs (1500) to over 14,000 lbs (3500 HD)

Curb Weight:

Varies significantly by configuration, typically 5,500 - 8,000+ lbs

🛡️ Safety Features

NHTSA Ratings:

Varies by year and specific test, generally good for the era, with 4/5 star ratings in frontal and side impacts for some configurations.

Active Safety Features:

Anti-lock Braking System (ABS), Electronic Stability Control (ESC), Traction Control System (TCS), trailer brake controller (optional/factory-installed)

Passive Safety Features:

Advanced multi-stage front airbags, supplemental side curtain airbags, seatbelt pretensioners, energy-absorbing steering column.

💡 Technology Features

Infotainment System:

Uconnect multimedia system with touchscreens (5-inch or 8.4-inch available), AM/FM/CD/DVD/MP3 radio, SiriusXM Satellite Radio, navigation (optional).

Driver Assistance Features:

ParkView Rear Back-Up Camera, ParkSense Front/Rear Park Assist (optional), trailer sway control.

Connectivity Options:

Bluetooth streaming audio and hands-free calling, USB port, auxiliary input jack.

🔧 Maintenance

Oil Change Interval:

Every 6,000 to 8,000 miles or 6 months, depending on oil type (synthetic recommended) and driving conditions. Refer to manual for exact mileage based on oil used.

Tire Rotation Interval:

Every 7,500 miles

Transmission Fluid Change Interval:

Every 60,000 to 100,000 miles for automatic transmissions; refer to specific transmission type and severe service schedule.

Engine Coolant Flush Interval:

Initial flush at 100,000 miles, then every 50,000 miles thereafter (OAT coolant).

Engine Oil Specification:

SAE 5W-20 (Pentastar V6, 5.7L HEMI) or SAE 10W-30 (6.7L Cummins). Always confirm with manual and oil manufacturer. API SN or higher recommended.

Transmission Fluid Specification:

ATF+4 for 545RFE/68RFE; Pentosin ATF1 or equivalent for 8HP70 8-speed automatic; specified manual transmission fluid for G56.

Coolant Specification:

Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, 50/50 mix with distilled water.

Transfer Case Fluid:

Mopar ATF+4 or equivalent for NV243, NV271, NV273 transfer cases.

Rear Axle Fluid:

API GL-5, SAE 75W-90 (or 75W-140 for heavy-duty towing applications). Limited slip differentials require specific additive.

Known Issues Common:

Water pump leaks (Pentastar V6), Hemi tick (lifter noise), transmission solenoid pack issues, exhaust manifold cracks (especially 5.7L), EGR valve issues (Cummins), DEF system issues (Cummins).

Known Issues Specific:

Camshaft/lifter wear in early Pentastar V6, potential for transmission torque converter shudder in some automatic transmissions, Uconnect system glitches requiring software updates.

📚 Vehicle History

Brand Heritage:

Dodge, and subsequently Ram Trucks as a standalone brand, has a long-standing history in the American truck market, known for robust construction and powerful engine options.

Model Evolution:

The 2012-2013 models represent the fourth generation of the Ram truck, with significant updates for this period, including the introduction of the new 3.6L Pentastar V6 and refinement of the HEMI engines. The separation of Ram as a distinct brand from Dodge occurred in 2009, allowing for focused development.

Production Location:

Warren Truck Assembly Plant, Warren, Michigan; Saltillo Truck Assembly Plant, Saltillo, Mexico.

🏆 Awards & Recognition

Truck Of The Year Awards:

While specific model years may vary, Ram trucks have consistently been recognized by various automotive publications and organizations for their capability, design, and features.

Consumer Reports Ratings:

Generally rated average to above average for predicted reliability and owner satisfaction for the 2012-2013 period, with specific strengths in powertrain and ride quality.