Dodge Ram 1500 2002-2008 3.7L Engine Specifications
Explore the detailed 3.7L engine specifications for the 2002-2008 Dodge RAM 1500. Learn about horsepower, torque, fuel system, and more for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 3.7L engine used in the 2002-2008 Dodge RAM 1500. It is designed to assist users 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 capabilities and specifications.
How to Use
Use the search bar to enter keywords related to the 3.7L engine, such as 'horsepower' or 'torque'. The search 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
3.7L
Horsepower
215 HP
Torque
235 lb-ft
Fuel Efficiency (City)
15 MPG
Fuel Efficiency (Highway)
20 MPG
Available Specifications
Engine Performance
This section covers the performance characteristics of the 3.7L engine, including horsepower, torque, and fuel efficiency. It also provides insights into the engine's power delivery and overall driving experience.
Engine Performance
This section covers the performance characteristics of the 3.7L engine, including horsepower, torque, and fuel efficiency. It also provides insights into the engine's power delivery and overall driving experience.
Horsepower and Torque
- 215 horsepower at 5,200 RPM
- 235 lb-ft of torque at 4,000 RPM
- Optimized for mid-range power delivery
- Suitable for light towing and hauling
Fuel Efficiency
- 15 MPG city
- 20 MPG highway
- Designed for balanced performance and economy
- Uses regular unleaded gasoline
Engine Design
This section delves into the design and construction of the 3.7L engine, including its configuration, materials, and key engineering features.
Engine Design
This section delves into the design and construction of the 3.7L engine, including its configuration, materials, and key engineering features.
Configuration and Layout
- V6 engine configuration
- 3.7-liter displacement
- Overhead valve (OHV) design
- Cast iron block with aluminum heads
Key Engineering Features
- Multi-point fuel injection system
- Hydraulic lifters for reduced maintenance
- Balanced crankshaft for smooth operation
- Dual overhead camshafts (DOHC)
Maintenance and Durability
This section provides information on the maintenance requirements and durability of the 3.7L engine, including recommended service intervals and common issues.
Maintenance and Durability
This section provides information on the maintenance requirements and durability of the 3.7L engine, including recommended service intervals and common issues.
Recommended Maintenance
- Oil change every 5,000 miles
- Spark plug replacement every 30,000 miles
- Timing belt inspection every 60,000 miles
- Coolant flush every 100,000 miles
Common Issues
- Potential for oil leaks over time
- Occasional issues with the fuel injection system
- Wear on timing belt components
- Regular inspection of gaskets recommended
Search Specifications
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Engine Specifications
Overview
- Type
- V6
- Configuration
- 60-degree V6
- Platform
- Dodge RAM-1500
- Material
- Cast iron block with aluminum heads
- Location
- Front longitudinal
Dimensions
- Length
- 27.5 inches (698.5 mm)
- Width
- 28.3 inches (718.8 mm)
- Height
- 26.7 inches (678.2 mm)
- Weight
- 410 lbs (186 kg)
- Bore
- 3.66 inches (93 mm)
- Stroke
- 3.405 inches (86.5 mm)
- Displacement
- 226 cubic inches (3.7 liters)
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 intake manifold
- Ignition System
-
- Distributorless ignition system
- Coil-on-plug design
- High-energy spark plugs
- Cooling System
-
- High-capacity radiator
- Electric cooling fan
- Thermostatically controlled
- Lubrication System
-
- Full-pressure lubrication
- Oil cooler
- High-capacity oil pump
- Emissions Control
-
- Catalytic converter
- EGR system
- Oxygen sensors
Safety Features
- Engine Management
-
- Knock sensor
- Over-rev protection
- Cooling System
-
- High-temperature warning
- Coolant level sensor
- Oil System
-
- Low oil pressure warning
- Oil level sensor
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Climate Control
-
- Heated air intake
- Cold-start enrichment
Accessories
- Belts And Pulleys
-
- Serpentine belt
- Tensioner pulley
- Idler pulley
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Crankshaft position sensor
- Camshaft position sensor
- Throttle position sensor
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Air filter inspection
- Spark plug replacement
- Coolant flush
- Timing belt inspection
- Maintenance Notes
- Use synthetic oil for extended intervals
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
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% engine testingTolerances: Within 0.001 inches
- Sustainability Practices
-
- Recycled aluminum
- Low-emission manufacturing
- Waste reduction programs
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%Energy Usage: 15 kWh per engine
Service Information for 3.7l engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Tire rotation
- Fluid level checks
- Brake inspection
- Air filter inspection
Use synthetic oil for best performance
- Replace spark plugs
- Inspect timing belt
- Fuel system cleaning
- Coolant flush
- Transmission fluid check
Check for any engine codes
- Replace timing belt
- Replace water pump
- Replace serpentine belt
- Full engine diagnostics
- Compression test
Major service - consider professional assistance
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.7L engine compatible with other Dodge RAM models?
Is the 3.7L engine compatible with other Dodge RAM models?
The 3.7L V6 engine, used in the 2002-2008 Dodge RAM 1500, is specifically designed for this model. While it shares some components with other Chrysler engines, direct compatibility with other RAM models or trims is limited. Always verify engine codes and specifications before attempting cross-model installations. Consult a certified mechanic or Dodge service manual for precise compatibility details.
Q2 What are the maintenance requirements for the 3.7L engine?
What are the maintenance requirements for the 3.7L engine?
The 3.7L engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 3,000-5,000 miles, air filter replacement every 15,000 miles, and spark plug replacement every 30,000 miles. Additionally, inspect the timing belt, coolant system, and fuel injectors annually. Adhering to the manufacturer’s maintenance schedule is crucial for longevity and reliability.
Q3 How do I replace the 3.7L engine in a Dodge RAM 1500?
How do I replace the 3.7L engine in a Dodge RAM 1500?
Replacing the 3.7L engine involves several steps: disconnect the battery, drain fluids, and remove components like the radiator, exhaust manifold, and transmission connections. 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. Professional assistance is recommended for this complex procedure.
Q4 What are common troubleshooting steps for the 3.7L engine?
What are common troubleshooting steps for the 3.7L engine?
Common issues with the 3.7L engine include rough idling, reduced power, and check engine lights. Start by scanning for error codes using an OBD-II scanner. Check for vacuum leaks, faulty sensors, or clogged fuel injectors. Inspect the ignition system and ensure proper fuel pressure. If problems persist, consult a certified mechanic for advanced diagnostics.
Q5 How can I optimize the performance of the 3.7L engine?
How can I optimize the performance of the 3.7L engine?
To optimize the 3.7L engine, use high-quality synthetic oil and premium fuel. Upgrade the air intake and exhaust systems for better airflow. Regularly clean the throttle body and fuel injectors. Consider a performance tuner to adjust engine parameters. Ensure all maintenance tasks are completed on time 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, repairs, and technical specifications for the 3.7L engine and other components.
Technical Service Bulletin for 3.7L Engine Updates
Coming SoonDetails updates and fixes for common issues reported in the 3.7L engine, including software updates and part replacements.
Dodge RAM 1500 Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket parts compatible with the 2002-2008 Dodge RAM 1500, including engine components.
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General Information
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We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
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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