2012 Ram 1500 Service and Repair Manual

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Covers all 2012 1500 trims — Tradesman HD Standard Cab Pickup 2-Door, Sport Standard Cab Pickup 2-Door, SLT Crew Cab Pickup 4-Door +5 more ·
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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
NHTSA #16E04100016/05/2016Component: EQUIPMENT

Chrysler (FCA US LLC) is recalling aftermarket Mopar Canvas Seat Covers for certain 2012-2016 RAM 1500, 2500, and 3500 trucks. These Mopar canvas seat covers were sold through Chrysler dealerships be

Consequence

If the seat cover impedes the air bag deployment, the seat thorax air bags may not provide adequate

Remedy

Chrysler will notify owners to remove the front seat covers and return them for a full refund. The

NHTSA #13V03800006/02/2013Component: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

Chrysler is recalling certain model year 2009-2012 Ram 1500 trucks manufactured from February 27, 2008, through June 30, 2009, and from December 1, 2009, through October 20, 2011; model year 2009-2011

Consequence

If the rear axle pinion nut loosens, the axle can lock up and cause a loss of vehicle control and/or

Remedy

On November 7, 2013 Chrysler notified owners that dealers would install a pinion nut retainer, free

NHTSA #12V19200002/05/2012Component: EQUIPMENT:OTHER:LABELS

CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2012 RAM 1500 TRUCKS, MANUFACTURED FROM JANUARY 5, 2012 THROUGH JANUARY 6, 2012. THE AFFECTED VEHICLES HAVE A SPARE TIRE THAT DOES NOT MATCH THE SPECIFICATION

Consequence

IF INSTALLED, THE INCORRECTLY SIZED SPARE TIRE MAY UNEXPECTEDLY ACTIVATE THE ELECTRONIC STABILITY CO

Remedy

CHRYSLER WILL NOTIFY OWNERS, AND DEALERS WILL INSPECT AND REPAIR VEHICLES AS NECCESSARY FREE OF CHAR

TSB #11011751

"Dual EVAP System Extreme Duty Vapor Canister Filter Kit Customers operating fleet or severe/extreme duty gasoline vehicles in continuous dusty driving conditions can plug the single OE filter system and may experience a Malfunction Indicat

TSB #11010205

Plate - Planetary

TSB #11004993

Replacement Totally Integrated Power Module (TIPM) Displays Incorrect Vehicle Identification Number (VIN) Current and Active

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

Showing the 8 most recent of 58 technical service bulletins on file with NHTSA.

No complaints filed No consumer complaints on file with NHTSA for the 2012 Ram 1500.

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