Dodge Durango 2004-2009 3.7L Engine Specifications
Explore detailed technical specifications for the 3.7L engine in the 2004-2009 Dodge Durango. Learn about horsepower, torque, fuel systems, 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 2004-2009 Dodge Durango. 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 design.
How to Use
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Scroll through the document to explore major sections like 'Engine Performance' or 'Technical Specifications'. Each section contains subsections with detailed points for easy reference.
Key Specifications
Displacement
3.7L (225 cu in)
Horsepower
210 HP @ 5,200 RPM
Torque
235 lb-ft @ 4,000 RPM
Fuel Economy
15 city / 20 highway MPG
Engine Type
V6 OHV
Available Specifications
Engine Performance
This section covers the performance metrics of the 3.7L 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 3.7L engine, including horsepower, torque, and fuel efficiency. It also highlights the engine's capabilities under various driving conditions.
Horsepower and Torque
- 210 horsepower at 5,200 RPM
- 235 lb-ft of torque at 4,000 RPM
- Optimized for mid-range power delivery
- Suitable for towing and off-road performance
Fuel Efficiency
- 15 MPG in city driving conditions
- 20 MPG on highways
- Designed for balanced fuel economy
- Uses sequential multi-port fuel injection
Technical Specifications
This section provides detailed technical information about the 3.7L engine, including its configuration, displacement, and material composition.
Technical Specifications
This section provides detailed technical information about the 3.7L engine, including its configuration, displacement, and material composition.
Engine Configuration
- V6 engine with 60-degree bank angle
- 3.7-liter displacement (225 cubic inches)
- Overhead valve (OHV) design
- Cast iron engine block with aluminum heads
Material Composition
- Aluminum cylinder heads for weight reduction
- Cast iron block for durability
- Forged steel crankshaft
- High-strength connecting rods
Maintenance and Durability
This section outlines the maintenance requirements and durability features of the 3.7L engine, including recommended service intervals and common issues.
Maintenance and Durability
This section outlines the maintenance requirements and durability features of the 3.7L engine, including recommended service intervals and common issues.
Service Intervals
- 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 from valve cover gaskets
- Occasional misfires due to worn spark plugs
- Cooling system maintenance is critical
- Regular inspection of the timing belt is recommended
Search Specifications
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Engine Specifications
Overview
- Type
- V6
- Configuration
- 60-degree V
- Platform
- Chrysler PowerTech
- Material
- Aluminum block and heads
- Location
- Front, longitudinal
Dimensions
- Length
- 26.5 in (673 mm)
- Width
- 28.3 in (719 mm)
- Height
- 27.6 in (701 mm)
- Displacement
- 226.1 cu in (3.7 L)
- Bore
- 3.66 in (93 mm)
- Stroke
- 3.58 in (91 mm)
- Weight
- 385 lbs (175 kg)
Materials
- Block
- Aluminum alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Fuel System
-
- Sequential multi-port fuel injection
- Electronic throttle control
- Returnless fuel system
- Ignition System
-
- Coil-on-plug ignition
- Distributorless ignition system
- Waste spark technology
- Cooling System
-
- Cross-flow aluminum radiator
- Electric cooling fan
- Thermostatically controlled
- Emissions
-
- EGR system
- Catalytic converters
- OBD-II compliant
- Performance
-
- 210 hp @ 5200 rpm
- 235 lb-ft @ 4000 rpm
- 10.3:1 compression ratio
Safety Features
- Engine Protection
-
- Low oil pressure shutdown
- Overheat protection
- Emissions Control
-
- Closed-loop fuel control
- Evaporative emissions system
- Electrical Safety
-
- Fused ignition system
- Short circuit protection
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
- Belts And Pulleys
-
- Serpentine belt
- Tensioner pulley
- Idler pulley
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Crankshaft position sensor
- Camshaft position sensor
- Knock sensor
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 synthetic 5W-20 oil for optimal performance
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 of aluminum block
- CNC machining
- Assembly line production
- Quality Control
- inspection: 100% engine testingTolerances: Within 0.001 in (0.025 mm)
- Sustainability Practices
-
- Recycled aluminum usage
- Low-VOC paints
- Waste reduction programs
- Production Metrics
- Units Per Day: 500Defect Rate: 0.5%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 only manufacturer-recommended fluids
- Replace spark plugs
- Inspect timing belt
- Check ignition system
- Fuel system cleaning
- Coolant system flush
Timing belt replacement recommended at 60,000 miles
- Replace timing belt
- Replace water pump
- Transmission service
- Replace accessory belts
- Comprehensive engine diagnostics
Major service interval - requires specialized tools
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.7L engine compatible with other Dodge models from 2004-2009?
Is the 3.7L engine compatible with other Dodge models from 2004-2009?
The 3.7L V6 engine used in the 2004-2009 Dodge Durango is specifically designed for this model and may not be directly compatible with other Dodge vehicles without modifications. It is recommended to consult the vehicle's service manual or a certified mechanic to confirm compatibility with other models, as mounting points, wiring harnesses, and transmission interfaces may differ.
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 levels, and serpentine belt periodically. Adhering to the manufacturer’s maintenance schedule is crucial for longevity and reliability.
Q3 How do I replace the 3.7L engine in a 2004-2009 Dodge Durango?
How do I replace the 3.7L engine in a 2004-2009 Dodge Durango?
Replacing the 3.7L engine involves several steps: disconnect the battery, drain fluids, remove the engine mounts, and detach electrical connections and hoses. Use a hoist to lift the engine out of the vehicle. Install the new engine by reversing the process, ensuring all connections are secure. Torque bolts to manufacturer specifications and refill fluids. Professional assistance is recommended for this complex procedure.
Q4 What should I do if my 3.7L engine is overheating?
What should I do if my 3.7L engine is overheating?
If your 3.7L engine overheats, first check the coolant level and inspect for leaks. Ensure the radiator fan is functioning and the thermostat is not stuck. Flush the cooling system if necessary. If the issue persists, inspect the water pump and head gasket for damage. Addressing overheating promptly is essential to prevent severe engine damage.
Q5 How can I optimize the performance of my 3.7L engine?
How can I optimize the performance of my 3.7L engine?
To optimize the 3.7L engine’s performance, use high-quality synthetic oil and ensure regular maintenance. Upgrade the air intake and exhaust systems for better airflow. Consider tuning the engine control unit (ECU) for improved fuel efficiency and power. Regularly inspect and replace worn components like spark plugs and filters 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.
2004-2009 Dodge Durango Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 3.7L engine and other components.
Technical Service Bulletin for 3.7L Engine
Coming SoonDetails common issues, updates, and fixes for the 3.7L engine in 2004-2009 Dodge Durango models.
Dodge Durango Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket parts compatible with the 2004-2009 Dodge Durango 3.7L engine.
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General Information
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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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