Dodge Ram 3500 2003-2009 5.7L Engine Engine Specifications
Dodge Ram 3500 2003-2009

Dodge Ram 3500 2003-2009 5.7L Engine Specifications

Explore the detailed 5.7L engine specifications for the 2003-2009 Dodge RAM 3500. Learn about horsepower, torque, fuel system, and more for maintenance, upgrades, and repairs.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the 5.7L HEMI V8 engine used in the 2003-2009 Dodge RAM 3500. It is designed to assist owners, mechanics, and enthusiasts in understanding the engine's features, performance, and maintenance requirements. Use the search functionality to locate specific details or navigate through the sections for a comprehensive overview of the engine's design, capabilities, and key specifications.

How to Use

Use the search bar to enter keywords related to the 5.7L engine, such as 'horsepower,' 'torque,' or 'fuel system.' Results will highlight relevant sections and subsections for quick access.

Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections with detailed technical points for easy reference.

Key Specifications

Displacement

5.7L (345 cu in)

Horsepower

345 HP @ 5,400 RPM

Torque

375 lb-ft @ 4,200 RPM

Fuel Economy

13 MPG city / 18 MPG highway

Compression Ratio

9.6:1

Available Specifications

Engine Design and Configuration

This section covers the fundamental design aspects of the 5.7L HEMI V8 engine, including its architecture, cylinder configuration, and key components. Learn about the engine's construction and how it contributes to performance and durability.

Cylinder Configuration
  • V8 configuration with 90-degree bank angle
  • Displacement of 5.7 liters (345 cubic inches)
  • Overhead valve (OHV) design with two valves per cylinder
  • Cast iron engine block with aluminum cylinder heads
  • Sequential multi-port fuel injection system
  • Hydraulic roller lifters for reduced friction
Key Components
  • Forged steel crankshaft for enhanced strength
  • Powdered metal connecting rods
  • Aluminum pistons with low-friction coatings
  • MDS (Multi-Displacement System) for improved fuel efficiency
  • High-flow intake and exhaust manifolds
  • Electronic throttle control system

Performance Specifications

Explore the performance capabilities of the 5.7L HEMI V8 engine, including horsepower, torque, and fuel efficiency. This section provides detailed metrics and comparisons to help you understand the engine's power output and operational efficiency.

Power and Torque
  • 345 horsepower at 5,400 RPM
  • 375 lb-ft of torque at 4,200 RPM
  • Peak power achieved with premium fuel
  • Torque curve optimized for towing and hauling
  • MDS system reduces fuel consumption during light loads
  • Compression ratio of 9.6:1
Fuel Efficiency
  • EPA-estimated 13 MPG city / 18 MPG highway
  • MDS system improves highway fuel economy by up to 20%
  • Flex-fuel capability (E85 compatibility)
  • Electronic fuel injection for precise fuel delivery
  • Low rolling resistance tires as standard
  • Aerodynamic design for improved efficiency

Maintenance and Durability

This section outlines the maintenance requirements and durability features of the 5.7L HEMI V8 engine. Learn about recommended service intervals, common maintenance tasks, and the engine's long-term reliability.

Service Intervals
  • Oil change recommended every 6,000 miles or 6 months
  • Spark plug replacement every 30,000 miles
  • Air filter replacement every 15,000 miles
  • Coolant flush every 100,000 miles
  • Timing chain designed for lifetime use
  • Regular inspection of belts and hoses
Durability Features
  • Hardened valve seats for extended lifespan
  • Thermal management system for optimal operating temperature
  • Corrosion-resistant materials used throughout
  • Heavy-duty oil pump for consistent lubrication
  • Dual-stage oil filter for improved filtration
  • Robust cooling system for heavy-duty use

Engine Specifications

Overview

Type
V8
Configuration
90-degree V8
Platform
Chrysler Hemi
Material
Cast iron block, aluminum heads
Location
Front longitudinal
Displacement
5.7 liters (345 cubic inches)

Dimensions

Length
29.5 inches (749 mm)
Width
30.7 inches (780 mm)
Height
27.6 inches (701 mm)
Weight
560 lbs (254 kg)
Bore
3.92 inches (99.5 mm)
Stroke
3.58 inches (90.9 mm)
Cylinder Spacing
4.46 inches (113.3 mm)

Materials

Engine Block
Cast iron
Cylinder Heads
Aluminum
Pistons
Aluminum alloy
Crankshaft
Forged steel
Valves
Stainless steel

Features

Fuel System
  • Sequential multi-port fuel injection
  • Electronic throttle control
  • Variable valve timing
Ignition System
  • Coil-on-plug ignition
  • Electronic spark advance
  • Knock sensor control
Cooling System
  • High-capacity water pump
  • Dual electric fans
  • Thermostatically controlled
Exhaust System
  • Dual exhaust
  • Stainless steel headers
  • Catalytic converters
Performance
  • 345 horsepower @ 5400 rpm
  • 375 lb-ft torque @ 4200 rpm
  • High-flow intake manifold

Safety Features

Engine Protection
  • Oil pressure sensor
  • Coolant temperature sensor
Emission Control
  • EGR system
  • Oxygen sensors
  • Catalytic converters
Overheat Protection
  • High-temperature warning system
  • Automatic engine shutdown

Comfort Features

Noise Reduction
  • Acoustic engine cover
  • Hydraulic engine mounts
Vibration Control
  • Balanced crankshaft
  • Dual-mass flywheel
Climate Control
  • Heated intake manifold
  • Auxiliary coolant pump

Accessories

Engine Bay
  • Air intake system
  • Belt-driven accessories
  • Power steering pump
Electrical
  • Alternator
  • Starter motor
  • Battery
Cooling
  • Radiator
  • Coolant reservoir
  • Intercooler

Maintenance

Service interval
Every 7,500 miles or 6 months
Service Items
  • Oil and filter change
  • Spark plug replacement
  • Air filter inspection
  • Coolant flush
  • Belt and hose inspection
Maintenance Notes
Use synthetic oil for optimal performance. Check for oil leaks regularly.

Warranty

Basic
Miles: 36,000
Years: 3
Coverage: Bumper-to-bumper
Powertrain
Miles: 60,000
Years: 5
Coverage: Engine and transmission
Emissions
Miles: 80,000
Years: 8
Coverage: Catalytic converter and sensors
Corrosion
Miles: 100,000
Years: 5
Coverage: Perforation only

Production Details

Manufacturer
Chrysler Group LLC
Manufacturing Process
  • Casting
  • Machining
  • Assembly
  • Testing
Quality Control
inspection: 100% engine testing
Tolerances: Precision machining within 0.001 inches
Sustainability Practices
  • Recycled materials
  • Low-emission manufacturing
  • Energy-efficient processes
Production Metrics
Units Per Day: 500
Defect Rate: Less than 0.1%

Service Information for 5.7l engine Service

Maintenance and service requirements specific to this component

7,500
6
  • Oil and filter change
  • Inspect air filter
  • Check coolant level
  • Inspect belts and hoses
  • Check for oil leaks

Use synthetic oil for optimal performance.

30,000
24
  • Replace spark plugs
  • Inspect ignition system
  • Check fuel system
  • Inspect exhaust system
  • Test emissions system

Ensure all sensors are functioning properly.

100,000
84
  • Replace timing chain
  • Inspect valve train
  • Check cylinder compression
  • Replace coolant
  • Inspect engine mounts

Major service requires specialized tools and expertise.

Common Questions

Find answers to common questions about torque specifications

Q1

Is the 5.7L engine compatible with other Dodge RAM models?

The 5.7L HEMI V8 engine is primarily designed for the 2003-2009 Dodge RAM 3500. While it shares similarities with engines in other RAM models, compatibility depends on specific configurations such as transmission type, mounting points, and ECU programming. Always verify with a certified mechanic or Dodge's technical documentation before attempting cross-model installations.

Q2

What are the maintenance requirements for the 5.7L engine?

The 5.7L engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 5,000-7,500 miles, air filter replacement every 15,000 miles, spark plug replacement every 30,000 miles, and coolant flushes every 50,000 miles. Regularly inspect belts, hoses, and the fuel system to prevent unexpected failures.

Q3

How do I replace the 5.7L engine in a Dodge RAM 3500?

Replacing the 5.7L engine involves disconnecting the battery, draining fluids, removing the radiator, and detaching the transmission and exhaust system. Use an engine hoist to lift the old engine out and lower the new one into place. Reconnect all components, refill fluids, and test the engine. Refer to the service manual for detailed torque specifications and safety precautions.

Q4

What are common troubleshooting steps for the 5.7L engine?

Common issues include rough idling, misfires, and oil leaks. Start by checking the ignition system, including spark plugs and coils. Inspect the fuel injectors and air intake for blockages. Use an OBD-II scanner to identify error codes. For oil leaks, examine the valve covers and oil pan gaskets. Regular diagnostics can prevent major repairs.

Q5

How can I optimize the performance of the 5.7L engine?

To optimize performance, consider upgrading the air intake and exhaust systems for better airflow. Use high-quality synthetic oil and premium fuel. Regularly clean the throttle body and fuel injectors. Tuning the ECU can also enhance horsepower and torque. Always balance performance upgrades with proper maintenance to ensure longevity.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

2003-2009 Dodge RAM 3500 Service Manual

Coming Soon

Comprehensive guide covering engine maintenance, repair procedures, and technical specifications for the 5.7L engine.

Technical Service Bulletin for 5.7L Engine Updates

Coming Soon

Details updates and fixes for common issues reported in the 5.7L engine, including software updates and part replacements.

Dodge RAM 3500 Parts and Accessories Catalog

Coming Soon

Catalog listing OEM and aftermarket parts compatible with the 2003-2009 Dodge RAM 3500, including engine components.

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Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
  • Vehicle specifications and procedures may vary by model year, trim level, and region.
  • Always follow the manufacturer's recommended procedures and safety precautions.
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  • If you're unsure about any procedure, consult a qualified professional mechanic.
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About the Author

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Alan Montanye - Automotive Technical Specialist
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