Dodge Ram 1500 2002-2008 5.7l-engine Specifications
Explore the detailed 5.7L HEMI V8 engine specifications for the 2002-2008 Dodge RAM 1500. Learn about horsepower, torque, fuel system, and more for maintenance, repairs, and upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 5.7L HEMI V8 engine used in the 2002-2008 Dodge RAM 1500. It is designed to assist users in understanding the engine's performance, design, and maintenance requirements. Use the search functionality to locate specific details or navigate through the sections for a comprehensive overview of the engine's features and capabilities.
How to Use
Use the search bar to enter keywords related to the 5.7L engine, such as 'horsepower' or 'torque'. 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
5.7 liters
Horsepower
345 HP
Torque
375 lb-ft
Fuel Economy
13 city / 18 highway MPG
Engine Type
HEMI V8
Available Specifications
Engine Performance
This section covers the performance metrics of the 5.7L HEMI V8 engine, including horsepower, torque, and fuel efficiency. It also highlights the engine's capabilities under various driving conditions.
Engine Performance
This section covers the performance metrics of the 5.7L HEMI V8 engine, including horsepower, torque, and fuel efficiency. It also highlights the engine's capabilities under various driving conditions.
Power Output
- 345 horsepower at 5,400 RPM
- 375 lb-ft of torque at 4,200 RPM
- Multi-Displacement System (MDS) for improved fuel efficiency
- Designed for towing and heavy-duty applications
- Optimized for both city and highway driving
- High-performance exhaust system
Fuel Efficiency
- EPA-estimated 13 MPG city
- EPA-estimated 18 MPG highway
- MDS technology deactivates four cylinders during light load conditions
- Electronic throttle control for precise fuel delivery
- Designed to meet emissions standards
- Regular maintenance recommended for optimal efficiency
Engine Design
This section delves into the engineering and design features of the 5.7L HEMI V8 engine, including its construction, materials, and innovative technologies.
Engine Design
This section delves into the engineering and design features of the 5.7L HEMI V8 engine, including its construction, materials, and innovative technologies.
Construction
- Cast iron engine block for durability
- Aluminum cylinder heads for reduced weight
- Overhead valve (OHV) design
- 16-valve configuration
- Forged steel crankshaft
- Hydraulic roller lifters for reduced friction
Innovative Technologies
- HEMI combustion chamber design for improved airflow
- Variable valve timing (VVT) for enhanced performance
- Electronic ignition system for reliable starts
- Integrated oil cooler for temperature regulation
- High-flow intake and exhaust manifolds
- Designed for compatibility with aftermarket upgrades
Maintenance and Durability
This section provides guidance on maintaining the 5.7L HEMI V8 engine, including recommended service intervals, common issues, and tips for extending engine life.
Maintenance and Durability
This section provides guidance on maintaining the 5.7L HEMI V8 engine, including recommended service intervals, common issues, and tips for extending engine life.
Service Intervals
- Oil change every 6,000 miles or 6 months
- Replace spark plugs every 30,000 miles
- Inspect timing belt every 60,000 miles
- Check coolant levels every 12,000 miles
- Replace air filter every 15,000 miles
- Regularly inspect and clean throttle body
Common Issues
- Lifter noise due to oil flow issues
- Exhaust manifold bolts may loosen over time
- Potential for oil leaks from valve covers
- MDS system may cause rough idling
- Check engine light due to sensor malfunctions
- Regularly monitor oil pressure and temperature
Search Specifications
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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 control
- Knock sensor system
- Cooling System
-
- High-flow 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
- Compression ratio: 9.6:1
Safety Features
- Engine Management
-
- OBD-II diagnostics
- Fail-safe cooling mode
- Over-rev protection
- Fuel Safety
-
- Rollover fuel shutoff
- Leak detection system
- Ignition Safety
-
- Immobilizer system
- Spark knock detection
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Climate Control
-
- Heated intake manifold
- Cold-start enrichment
Accessories
- Engine Bay
-
- High-output alternator
- Power steering pump
- A/C compressor
- Cooling
-
- Radiator
- Coolant reservoir
- Transmission cooler
- Electrical
-
- Battery
- Starter motor
- Ignition coils
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter inspection
- Coolant flush
- Timing belt inspection
- Maintenance Notes
- Use 5W-20 synthetic oil for optimal performance. Timing belt replacement recommended at 100,000 miles.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Engine and transmission
- Corrosion
- Miles: 100,000Years: 5Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- Casting for engine block
- CNC machining for cylinder heads
- Robotic assembly
- Quality Control
- inspection: 100% engine testingTolerances: Micron-level precision
- Sustainability Practices
-
- Recycled aluminum usage
- Low-emission manufacturing
- Production Metrics
- Units Per Day: 1,200Defect Rate: 0.02%
Service Information for 5.7l engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect air filter
- Check coolant level
- Inspect belts and hoses
- Check ignition system
Use only manufacturer-recommended fluids and filters.
- Replace air filter
- Inspect fuel system
- Check spark plugs
- Inspect exhaust system
- Test battery and charging system
Perform compression test if any performance issues are noted.
- Replace timing belt
- Flush cooling system
- Replace spark plugs
- Inspect valve train
- Perform engine decarbonization
Critical to replace timing belt to prevent engine damage. Use OEM parts.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 5.7L HEMI engine compatible with other Dodge RAM models?
Is the 5.7L HEMI engine compatible with other Dodge RAM models?
The 5.7L HEMI engine, used in the 2002-2008 Dodge RAM 1500, is specifically designed for this model range. While it shares similarities with other HEMI engines, compatibility with other models depends on factors like mounting points, wiring harnesses, and ECU configurations. Always verify with a professional or refer to the manufacturer's specifications before attempting cross-model installations.
Q2 What are the maintenance requirements for the 5.7L HEMI engine?
What are the maintenance requirements for the 5.7L HEMI engine?
The 5.7L HEMI 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, and spark plug replacement every 30,000 miles. Additionally, inspect the cooling system, belts, and hoses annually. Adhering to the manufacturer's maintenance schedule is crucial for longevity and reliability.
Q3 How do I replace the 5.7L HEMI engine in a 2002-2008 Dodge RAM 1500?
How do I replace the 5.7L HEMI engine in a 2002-2008 Dodge RAM 1500?
Replacing the 5.7L HEMI engine involves several steps: disconnect the battery, drain fluids, remove the hood, disconnect wiring harnesses and hoses, unbolt the transmission, and lift the engine out using a hoist. Installation is the reverse process. Ensure proper alignment and torque specifications. Refer to the service manual for detailed instructions and safety precautions.
Q4 What are common troubleshooting steps for the 5.7L HEMI engine?
What are common troubleshooting steps for the 5.7L HEMI engine?
Common issues with the 5.7L HEMI engine include rough idling, misfires, and oil consumption. Start by checking for error codes using an OBD-II scanner. Inspect spark plugs, ignition coils, and fuel injectors for wear. Verify oil levels and check for leaks. If problems persist, consult a professional mechanic or refer to the service manual for advanced diagnostics.
Q5 How can I optimize the performance of the 5.7L HEMI engine?
How can I optimize the performance of the 5.7L HEMI engine?
To optimize the 5.7L HEMI engine, consider upgrading the air intake and exhaust systems for better airflow. Use high-quality synthetic oil and ensure timely maintenance. A performance tuner can adjust ECU settings for improved power and efficiency. Regularly inspect and clean the throttle body and fuel injectors to maintain peak performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2002-2008 Dodge RAM 1500 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 5.7L HEMI engine and other components.
Technical Service Bulletin for 5.7L HEMI Engine
Coming SoonLatest updates and fixes for common issues related to the 5.7L HEMI engine in Dodge RAM 1500 models.
Dodge RAM 1500 Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 2002-2008 Dodge RAM 1500, 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.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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