2012 Ram 4500 Service and Repair Manual

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Covers all 2012 4500 trims — SLT Cab & Chassis - Conventional 2-Door, ST Cab & Chassis - Conventional 2-Door, Laramie Cab & Chassis - Crew Cab 4-Door +3 more ·
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2012 Ram 4500 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 Cab & Chassis - Conventional 2-Door
  • ST Cab & Chassis - Conventional 2-Door
  • Laramie Cab & Chassis - Crew Cab 4-Door
  • SLT Cab & Chassis - Crew Cab 4-Door
  • Laramie Cab & Chassis - Conventional 2-Door
  • ST Cab & Chassis - Crew Cab 4-Door

Engines covered

  • 6.7L 408Cu. In. l6 DIESEL OHV Turbocharged

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
NHTSA #16V73900013/10/2016Component: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

Chrysler (FCA US LLC) is recalling certain model year 2011-2014 Dodge Charger Police vehicles, 2007-2013 RAM 3500 Cab Chassis, 2008-2013 RAM 4500 and 5500 Cab Chassis, and 2013 RAM 2500 and 3500 vehic

Consequence

If the alternator fails, the vehicle may stall without warning, increasing the risk of a crash. The

Remedy

Chrysler will notify owners, and dealers will replace the alternator with a revised alternator, free

NHTSA #13V52700006/11/2013Component: STEERING:LINKAGES:TIE ROD ASSEMBLY

Chrysler Group LLC (Chrysler) is recalling certain model year 2008-2012 RAM 4500 and 5500 trucks manufactured February 20, 2007, through December 22, 2012. The left tie rod assembly may break.

Consequence

A failure of the tie rod assembly may result in a loss of steering control, increasing the risk of a

Remedy

On May 19, 2015 Chrysler notified owners that dealers would replace the tie rod assembly, free of ch

NHTSA #13V34400006/08/2013Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Chrysler Group LLC (Chrysler) is recalling certain model year 2012 RAM 3500 trucks manufactured May 4, 2012, through August 7, 2012; and model year 2012 RAM 4500 and 5500 trucks manufactured May 3, 20

Consequence

An unexpected loss of power transfer may increase the risk of a crash.

Remedy

Chrysler will notify owners, and dealers will replace the transmission assembly free of charge. The

NHTSA #13V23900004/06/2013Component: POWER TRAIN:AXLE ASSEMBLY

Chrysler Group LLC (Chrysler) is recalling certain model year 2012 RAM 4500 and 5500 trucks manufactured February 2, 2012, to December 22, 2012. Due to a welding issue with the front axle carrier, th

Consequence

Damage to other components, or sudden loss of drive power may increase the risk of a crash.

Remedy

Chrysler will notify owners, and dealers will replace or repair the front axle assembly, free of cha

TSB #10248509

Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing t

TSB #10248517

LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect.

TSB #10244348

Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing t

TSB #10244356

LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect.

TSB #10242717

Lubrication and Maintenance Fluids If MOPAR fluids and chemicals are not readily available, please review Service Library for specifications so a suitable alternative can be used

TSB #10236933

wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK

TSB #10230180

Issue involves overheating, running hot, coolant leaks and related symptoms after a Mopar replacement engine has been installed in the vehicle.

TSB #10229988

NUT, Wheel Flange Wheel Nut Service Torque should be 190 N-M.

Showing the 8 most recent of 40 technical service bulletins on file with NHTSA.

No complaints filed No consumer complaints on file with NHTSA for the 2012 Ram 4500.

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