2003 Dodge Ram 3500 Service and Repair Manual
2003 Dodge Ram 3500 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
- SLT Cab & Chassis 2-Door
- Laramie Cab & Chassis 4-Door
- Laramie Cab & Chassis 2-Door
- Laramie Standard Cab Pickup 2-Door
- ST Cab & Chassis 4-Door
- SLT Cab & Chassis 4-Door
- Laramie Crew Cab Pickup 4-Door
- ST Cab & Chassis 2-Door
- ST Standard Cab Pickup 2-Door
- ST Crew Cab Pickup 4-Door
- SLT Standard Cab Pickup 2-Door
Engines covered
- 5.7L 345Cu. In. V8 GAS OHV Naturally Aspirated
- 8.0L 7990CC 488Cu. In. V10 GAS OHV Naturally Aspirated
- 5.9L 359Cu. 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
Chrysler Group LLC (Chrysler) is recalling certain model year 2003-2008 Dodge RAM 2500 4x4 and 3500 4x4, model year 2007-2008 Dodge RAM 3500 4x2 Cab Chassis and model year 2006-2008 Dodge RAM 1500 Meg
A failure of the tie rod assembly may result in a loss of steering control, increasing the risk of a
Chrysler notified owners and launched its recall campaign in January 2014. Owners may contact Chr
ON CERTAIN PICKUP TRUCKS EQUIPPED WITH DIESEL ENGINES AND AUTOMATIC TRANSMISSIONS, IN AN ATTEMPT TO EXIT THE VEHICLE QUICKLY WITHOUT SHUTTING OFF THE ENGINE AND REMOVING THE KEY, THE DRIVER MAY INADVE
THIS ERROR IS AN UNINTENDED ACTION THAT MAY RESULT IN A LACK OF TRANSMISSION PARK PAWL ENGAGEMENT AN
DEALERS WILL PERFORM A SOFTWARE MODIFICATION TO EQUIP THESE VEHICLES WITH AN OUT-OF-PARK ALARM. OWN
CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2008-2011 DODGE RAM 2500/3500 4X4, MANUFACTURED FROM FEBRUARY 14, 2008, THROUGH MARCH 28, 2011; MODEL YEAR 2008-2011 DODGE RAM 3500 CAB CHASSIS 4X2, MANUFACTUR
THIS CONDITION COULD RESULT IN THE POTENTIAL LOSS OF DIRECTIONAL STABILITY IN THE LEFT HAND FRONT WH
DEALERS WILL INSPECT THE TIE ROD ENDS FOR RELATIVE ORIENTATION AND REPLACE THE LEFT OUTER TIE ROD AS
CERTAIN HEAVY DUTY PICKUP TRUCKS, THE ALUMINUM WHEELS MAY HAVE EXCESSIVE POROSITY IN THE CENTER HUB AREA WHICH CAN CAUSE A WHEEL TO CRACK.
THIS COULD CAUSE A LOSS OF VEHICLE CONTROL AND RESULT IN A CRASH WITHOUT WARNING.
DEALERS WILL INSPECT THE WHEELS AND REPLACE THEM IF NECESSARY. OWNER NOTIFICATION IS EXPECTED TO BE
CERTAIN PICKUP TRUCKS, EQUIPPED WITH CUMMINS DIESEL ENGINES AND MANUAL TRANSMISSIONS, MAY EXPERIENCE AN ELEVATED IDLE SPEED AFTER EXTENDED CRUISE CONTROL USE.
THIS CAN RESULT IN UNINTENDED ACCELERATION AND A REDUCTION IN BRAKING EFFECTIVENESS, INCREASING THE
DEALERS WILL REPROGRAM THE SOFTWARE IN THE CUMMINS ENGINE CONTROLLER. OWNER NOTIFICATION BEGAN ON
FABTECH IS RECALLING CERTAIN AFTERMARKET REPLACEMENT PITMAN ARMS, P/NOS. FTS93001 AND FT44039, INSTALLED FOR USE ON CERTAIN 2003 THROUGH 2008 DODGE 2500 4WD, 3500 4WD, AND 1500 4WD MEGA CAB VEHICLES.
STEERING LOSS COULD RESULT IN A VEHICLE CRASH POSSIBLY RESULTING IN PROPERTY DAMAGE, INJURY OR DEATH
FABTECH WILL NOTIFY OWNERS AND AUTHORIZED INSTALLERS WILL INSPECT FOR DEFECTIVE PITMAN ARM AND REPLA
CERTAIN LKI ENTERPRISES, INC., BRAND NAME SUPERLIFT SUSPENSION, PITMAN ARMS SOLD AS REPLACEMENT EQUIPMENT FOR 2003-2007 DODGE RAM 2500 AND 3500 4X4 LIGHT TRUCKS. DUE TO INADEQUATE HEAT TREATMENT DURI
PITMAN ARM WEAR OR FAILURE MAY LEAD TO LOSS OF VEHICLE CONTROL, POSSIBLY RESULTING IN A VEHICLE CRAS
LKI WILL NOTIFY OWNERS AND REPLACE THE PITMAN ARM, IF NECESSARY. THE RECALL BEGAN ON MARCH 12, 2007
Plate - Planetary
KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. For all other platforms, if the "AB" NIC level will not program to the vehicl
KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. For all other platforms, if the "AB" NIC level will not program to the vehicl
Cummins Equipped Vehicles ONLY - The replacement oil pan gasket can be a four piece gasket rather than a single piece gasket. This applies to Cummins 5.9L and 6.7L engines only.
Valve Body. These may cause over drive cycling.
Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are neces
Disinfectant Solution Recommended for COVID-19
DODGE: BULLETIN PROVIDING ALIGNMENT PROCEDURES FOR TIE ROD BALL STUD HOUSING FOR THE RIGHT AND LEFT. MODEL YRS FOR CAB CHASSIS (REG AND MEGA PICKUPS AND 4X4) 2003-2011. *PE
Showing the 8 most recent of 14 technical service bulletins on file with NHTSA.
TL* THE CONTACT OWNS A 2003 DODGE RAM 3500. THE CONTACT STATED THAT WHILE DRIVING AT 25 MPH, THE VEHICLE SUDDENLY CRASHED INTO THE REAR OF ANOTHER VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THE FRONT PAS
DT*: THE CONTACT STATED THE VEHICLE REAR ENDED ANOTHER VEHICLE WHILE TRAVELING 45 MPH AND THE AIRBAGS DID NOT DEPLOY. THE DRIVER HIT THE STEERING WHEEL CAUSING A BLOODY LIP. THE NON-SERVICE DEALER E
AIR BAG DID NOT DEPLOY IN A COLLISION. ANOTHER VEHICLE RAN A STOP SIGN, I T-BONED THE OTHER VEHICLE WITH THE FRONT OF MY TRUCK, YET AIR BAG DID NOT DEPLOY. *NM
LOST CONTROL OF VEHICLE ON A MOUNTAIN ROAD. FRONT LEFT WHEEL FELL OFF, LEADING ME INTO A ROCK. VEHICLE IS TOTAL LOSS AND I HAVE HAD PHYSICAL DAMAGE ON MY FACE FROM IT GOING THROUGH THE DRIVER DOOR W
TL*THE CONTACT OWNS A 2003 DODGE RAM 3500 PICKUP. WHILE DRIVING 40 MPH THE STEERING WHEEL FAILED AND THE FRONT END BEGAN TO VIBRATE VIOLENTLY WHICH OVER CORRECTED ITSELF AND CRASHED INTO A DITCH. THE
Showing the 5 most serious of 330 complaints filed with NHTSA.
