2003 Chrysler/Dodge Ram Pickup 1500-2500-3500 Workshop Repair Service Manual Best

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🏷️ Basic Information Identification Make: Chrysler/Dodge Model: Ram Pickup Year: 2003 Chassis Code: DR (Third Generation Ram) Body Styles Covered: Standard Cab, Extended Cab (Club Cab), Crew Cab Weight Classes:...

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Stichworte: 2003 300 Cars Chrysler Chrysler/dodge Featured Ram Pickup 1500 Ram Pickup 2500 Ram Pickup 3500 Truck

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🏷️ Basic Information

Identification

Make:

Chrysler/Dodge

Model:

Ram Pickup

Year:

Chassis Code:

DR (Third Generation Ram)

Body Styles Covered:

Standard Cab, Extended Cab (Club Cab), Crew Cab

Weight Classes:

1500, 2500, 3500

👋 Introduction

Market Position

Segment:

Full-size pickup truck

Key Attributes:

Robustness, towing capacity, payload capacity, versatility

Competitive Analysis

Competitors:

Ford F-Series, Chevrolet Silverado/GMC Sierra

Key Features

Manual Value Proposition:

Enables DIY repairs and maintenance, saving costs and empowering owners

Manual Completeness:

100% complete and intact, no missing or corrupt sections

📋 Manual Details

Coverage Areas

Coverage:

All aspects of repair, maintenance, rebuilding, refurbishing, and restoration

Diagnostic Coverage:

Comprehensive diagnostic and repair procedures

Page Count

Estimated Page Count:

Likely 2000+ pages (typical for full workshop manuals of this era and scope)

Manual Type

Type:

Workshop Repair Service Manual

Language

Language:

English

Format

Format:

Digital (PDF)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine overhaul, cylinder head, block, crankshaft, pistons, connecting rods, timing components

Engine Lubrication:

Oil pump, oil pan, oil filter, lubrication passages, oil pressure testing

Engine Cooling:

Radiator, water pump, thermostat, coolant hoses, cooling fan, pressure testing

Engine Control:

ECM/PCM operation, sensors (MAP, TPS, O2, CKP, CMP), actuators, ignition system, emissions control

Fuel System:

Fuel pump, fuel injectors, fuel filter, fuel lines, fuel pressure regulator, EVAP system

Exhaust System:

Exhaust manifolds, catalytic converter, mufflers, pipes, oxygen sensors

Transmission Clutch:

Clutch assembly, flywheel, pressure plate, release bearing (for manual transmissions)

Manual Transaxle:

Gearbox overhaul, internal components, shift linkage, clutch hydraulics

Automatic Transaxle:

Transmission overhaul, torque converter, valve body, clutch packs, bands, solenoids, transmission control module (TCM)

Driveline Front Axle:

CV joints, axle shafts, differential, hub bearings (if applicable)

Driveline Rear Axle:

Rear axle housing, differential, axle shafts, limited-slip differentials (if equipped)

Suspension Front:

Upper and lower control arms, ball joints, tie rod ends, sway bar, springs, shock absorbers/struts, steering knuckle

Suspension Rear:

Leaf springs, U-bolts, shock absorbers, axle housing mounting

Road Wheels Tyres:

Wheel specifications, tire pressure, rotation, balancing, lug nut torque

Brake System:

Front and rear disc brakes, brake calipers, pads, rotors, hydraulic lines, master cylinder, brake fluid specifications

Parking Brake:

Parking brake mechanism, cables, adjustment

Brake Control:

ABS system, sensors, control module, hydraulic control unit (HCU)

Steering Power:

Power steering pump, steering gear/rack, hydraulic lines, fluid type and capacity

Steering System:

Steering wheel, steering column, tie rods, steering knuckle

Restraints Seatbelts:

Seat belt operation, pretensioners, webbing maintenance

Restraints Srs:

Airbag system operation, sensors, control module, diagnostic procedures

Body Locks Security:

Door locks, latches, handles, keyless entry, immobilizer system

Body Glass Mirrors:

Window regulators, power windows, door glass replacement, mirror adjustment and replacement

Body Roof:

Roof panel, sunroof (if equipped), headliner

Body Exterior Interior:

Bumpers, fenders, hood, doors, tailgate, trim, interior panels, upholstery, carpeting

Body Instrument Panel:

Dashboard construction, gauges, warning lights, switches, HVAC controls

Body Seats:

Seat adjustment mechanisms, power seat components, seat covers

Air Conditioner:

Refrigerant system, compressor, condenser, evaporator, expansion valve, HVAC controls, cabin air filter

Electrical Wiring Diagrams:

Complete and detailed wiring schematics for all vehicle systems

Electrical Starting Charging:

Starter motor, battery, alternator, voltage regulator, wiring

Electrical Lighting:

Headlights, taillights, brake lights, turn signals, interior lighting, bulb types and replacement

Electrical Driver Info:

Instrument cluster diagnostics, message center operation

Electrical Wiper Washer Horn:

Wiper motor, washer pump, wiper linkage, horn operation

Electrical Body Control:

Body Control Module (BCM) functions and diagnostics

Electrical Lan System:

Local Area Network (LAN) communication bus, diagnostic tools

Electrical Audio Visual Navigation:

Radio, speakers, antenna, navigation system components (if equipped)

Electrical Auto Cruise Control:

Cruise control system operation, components, and diagnostics

Electrical Power Supply Ground:

Main power distribution, ground points, circuit breakers, fuses

Procedures Included

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, inspections

Troubleshooting:

Diagnostic flowcharts, symptom-based troubleshooting guides

Repair:

Component removal, installation, adjustment, and calibration

Rebuilding:

Detailed procedures for engine, transmission, and axle rebuilding

Technical Depth

Depth:

Comprehensive from basic maintenance to complete overhaul and diagnostics

📊 Manual Specifications

File Format

Format:

Searchable:

Likely searchable text (based on description 'easy to use')

Print Quality

Printability:

High-quality printable pages

Illustrations:

High-quality photos, illustrations, and diagrams

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Base Engine:

4.7L Magnum V8 (16-valve, SOHC)

Engine Code 4.7L:

EAS (example, may vary)

Performance 4.7L

Horsepower 4.7L:

Approx. 235-245 hp

Torque 4.7L:

Approx. 295-305 lb-ft

Optional Engine 1

Optional Engine 1 Type:

5.9L Magnum V8 (16-valve, OHV)

Optional Engine 1 Code

Engine Code 5.9L:

253 (example, may vary)

Performance 5.9L

Horsepower 5.9L:

Approx. 245-250 hp

Torque 5.9L:

Approx. 330-335 lb-ft

Optional Engine 2

Optional Engine 2 Type:

5.7L HEMI V8 (16-valve, OHV)

Optional Engine 2 Code

Engine Code 5.7L:

ERS (example, may vary)

Performance 5.7L

Horsepower 5.7L:

Approx. 345 hp

Torque 5.7L:

Approx. 375 lb-ft

Fuel System

Fuel Delivery:

Multi-point Fuel Injection (MPI)

Recommended Fuel:

87 Octane Unleaded Gasoline (check owner's manual for specific engine requirements)

🔧 Transmission

Standard Transmission

Transmission 1500:

4-speed automatic (45RFE/48RE depending on engine)

Transmission 2500 3500:

4-speed automatic (48RE)

Optional Transmission

Optional Manual Transmission:

6-speed manual (NV5600) - typically for heavy-duty models

Features

Overdrive:

All automatic transmissions feature overdrive

Transfer Case:

Part-time 4WD system (full-time 4WD might be available on certain configurations)

📐 Dimensions

Exterior Length

Length:

Varies by cab and bed configuration (e.g., approx. 207-247 inches)

Exterior Width

Width:

Approx. 79.8 inches (without mirrors)

Exterior Height

Height:

Varies by configuration (approx. 73-78 inches)

Wheelbase

Wheelbase:

Varies by configuration (e.g., 124.5 inches for standard cab, 140.5 inches for Quad Cab, 160.5 inches for Mega Cab)

Cargo Bed Lengths

Short Bed:

6.3 ft (approx. 75.2 inches)

Long Bed:

8.0 ft (approx. 96.3 inches)

Weights

Curb Weight:

Varies significantly by configuration and drivetrain (e.g., 4500-6000+ lbs)

Gross Vehicle Weight (e.g., 6050 lbs for 1500, 8500 lbs for 2500, 9600 lbs for 3500)

Towing Capacity:

Up to 10,000+ lbs (varies significantly by configuration, engine, axle ratio, and towing package)

Payload Capacity:

Up to 3,000+ lbs (varies significantly)

🛡️ Safety Features

Ratings

NHTSA Frontal Impact:

4-star driver, 4-star passenger (typical for this era, but may vary)

NHTSA Side Impact:

4-star front, 4-star rear (typical for this era, but may vary)

Active Features

Anti-lock Braking System (ABS) standard on all models

Traction Control:

Optional traction control system (TCS)

Passive Features

Airbags:

Driver and front passenger airbags

Seatbelts:

3-point seat belts with pretensioners

💡 Technology Features

Infotainment

Audio System:

AM/FM stereo with CD player; cassette tape player often standard or optional. Premium Infinity audio systems available.

Navigation:

Optional factory navigation system

Driver Assistance

Cruise Control:

Standard or optional cruise control

Rear Park Assist:

Optional rear parking assist sensors

Connectivity

Phone Integration:

Optional Uconnect hands-free communication system (introduced in later years of this generation, but might be present on some 2003 models depending on build date/package)

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 3,000-7,500 miles or 6 months, depending on driving conditions and oil type (refer to manual for exact specs)

Air Filter Replacement:

Every 15,000-30,000 miles or as needed based on conditions

Spark Plug Replacement:

Varies by engine: Magnum V8s typically 30,000-60,000 miles; HEMI 5.7L around 100,000 miles (with specific platinum or iridium plugs)

Fluid Specifications

Engine Oil 4.7L:

SAE 5W-30 (API Certified, Synthetic recommended for severe service)

Engine Oil 5.9L:

SAE 10W-30 or 10W-40 (API Certified)

Engine Oil 5.7L Hemi:

SAE 5W-20 (API Certified, Synthetic recommended)

Transmission Fluid Auto:

ATF+4 (Automatic Transmission Fluid type 4) or equivalent Mopar spec

Transmission Fluid Manual:

NV5600: SAE 75W-90 Synthetic Gear Oil

Coolant:

Mopar Antifreeze/Coolant (HOAT - Hybrid Organic Acid Technology), typically 50/50 mix with distilled water

Brake Fluid:

DOT 3 or DOT 4 Brake Fluid

Power Steering Fluid:

ATF+4 or specified Mopar power steering fluid

Known Issues

Common Issue Camshaft Wear:

Early 4.7L Magnum engines experienced camshaft lobe wear issues. Diagnosis and replacement procedures are crucial.

Common Issue Transmission Cooler:

Automatic transmission cooler lines can corrode and leak, leading to transmission fluid loss and potential damage.

Common Issue Radiator:

Plastic end tanks on radiators can crack or leak over time.

Common Issue Brake Rotors:

Warped brake rotors can be a common complaint, especially under heavy use.

Common Issue Evap System:

Evaporative Emission Control (EVAP) system leaks (e.g., charcoal canister, vent valve) can trigger check engine lights.

📚 Vehicle History

Brand Heritage

Dodge Truck Legacy:

Dodge has a long history of producing durable and capable trucks dating back to the 1930s.

Model Evolution

Third Generation Ram:

The 2003 model year marks the third generation of the Dodge Ram (DN/DR platform), introduced for the 2002 model year. This generation featured a significant redesign with a more aggressive exterior styling, updated powertrains, and improved interiors.

Introductions Of Note For 2003:

The introduction of the 5.7L HEMI V8 engine was a significant upgrade for this model year, offering a substantial power increase. The Mega Cab configuration also became available, offering unprecedented rear-seat space.

Production

Manufacturing Location:

Saltillo, Mexico; Warren, Michigan; St. Louis, Missouri (assembly locations varied)

🏆 Awards & Recognition

Recognitions

Truck Of The Year:

The third-generation Ram lineup received various 'Truck of the Year' accolades from automotive publications upon its introduction.

Powertrain Awards:

The HEMI engine, introduced for 2003, was particularly well-received for its power and performance.