Dodge Dakota 2005-2011 3.7L Engine Specifications
Explore detailed technical specifications for the 3.7L engine in the 2005-2011 Dodge Dakota. Learn about horsepower, torque, fuel system, compression ratio, and maintenance tips for optimal performance.
Overview Specifications
This document provides detailed specifications and technical information about the 3.7L engine used in the 2005-2011 Dodge Dakota. It is designed to assist users in understanding the engine's features, performance, and maintenance requirements. The document is organized into sections for easy navigation, with subsections detailing specific aspects of the engine. Use the search and navigation instructions to quickly find the information you need.
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.
Scroll through the document or use the table of contents to jump to specific sections. Each section is divided into subsections for detailed information.
Key Specifications
Displacement
3.7 liters
Horsepower
210 hp @ 5200 rpm
Torque
235 lb-ft @ 4000 rpm
Fuel Economy
15 mpg city / 20 mpg highway
Oil Capacity
6 quarts
Available Specifications
Engine Specifications
This section covers the basic technical specifications of the 3.7L engine, including displacement, configuration, and performance metrics. It provides a comprehensive overview of the engine's design and capabilities.
Engine Specifications
This section covers the basic technical specifications of the 3.7L engine, including displacement, configuration, and performance metrics. It provides a comprehensive overview of the engine's design and capabilities.
General Specifications
- Displacement: 3.7 liters (226 cubic inches)
- Configuration: V6
- Bore x Stroke: 93.0 mm x 90.8 mm
- Compression Ratio: 9.6:1
- Fuel System: Sequential Multi-Port Fuel Injection
- Valvetrain: SOHC, 12 valves
Performance Metrics
- Horsepower: 210 hp @ 5200 rpm
- Torque: 235 lb-ft @ 4000 rpm
- Fuel Economy: 15 mpg city / 20 mpg highway
- Emissions: Meets EPA Tier 2 Bin 5 standards
Engine Design
This section delves into the design features of the 3.7L engine, including its construction materials, cooling system, and lubrication system. It highlights the engineering choices that contribute to the engine's durability and efficiency.
Engine Design
This section delves into the design features of the 3.7L engine, including its construction materials, cooling system, and lubrication system. It highlights the engineering choices that contribute to the engine's durability and efficiency.
Construction Materials
- Block Material: Cast iron
- Cylinder Head Material: Aluminum
- Pistons: Forged aluminum
- Connecting Rods: Forged steel
Cooling and Lubrication
- Cooling System: Liquid-cooled with electric fan
- Oil Capacity: 6 quarts (with filter)
- Oil Type: 5W-20 synthetic recommended
- Oil Change Interval: 7,500 miles or 6 months
Maintenance and Service
This section provides guidance on maintaining and servicing the 3.7L engine. It includes recommended service intervals, common maintenance tasks, and tips for ensuring the engine's longevity.
Maintenance and Service
This section provides guidance on maintaining and servicing the 3.7L engine. It includes recommended service intervals, common maintenance tasks, and tips for ensuring the engine's longevity.
Service Intervals
- Oil Change: Every 7,500 miles or 6 months
- Air Filter Replacement: Every 30,000 miles
- Spark Plug Replacement: Every 100,000 miles
- Timing Belt: Not applicable (timing chain)
Common Maintenance Tasks
- Check and replace engine oil and filter
- Inspect and replace air filter as needed
- Monitor coolant levels and top off as necessary
- Inspect and replace spark plugs at recommended intervals
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Engine Specifications
Overview
- Type
- V6
- Configuration
- 60-degree V
- Platform
- Chrysler PowerTech
- Material
- Cast iron block, aluminum heads
- Location
- Front longitudinal
Dimensions
- Displacement
- 3.7 liters (226 cubic inches)
- Bore
- 3.66 inches (93 mm)
- Stroke
- 3.58 inches (91 mm)
- Length
- 28.5 inches (724 mm)
- Width
- 26.7 inches (678 mm)
- Height
- 27.3 inches (693 mm)
- Weight
- 410 lbs (186 kg)
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
- Returnless fuel system
- Ignition System
-
- Coil-on-plug ignition
- Distributorless ignition system
- Electronic spark timing
- Cooling System
-
- High-capacity radiator
- Electric cooling fan
- Thermostatically controlled
- Emissions
-
- EGR system
- Catalytic converter
- OBD-II compliant
- Performance
-
- 210 horsepower @ 5200 rpm
- 235 lb-ft torque @ 4000 rpm
- Variable valve timing
Safety Features
- Engine Protection
-
- Low oil pressure shutdown
- Overheat protection
- Emissions Control
-
- Evaporative emissions system
- Secondary air injection
- Electrical Safety
-
- Fused circuits
- Ground fault protection
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
- Engine Bay
-
- Air intake system
- Belt-driven accessories
- Engine cover
- Cooling System
-
- Radiator
- Coolant reservoir
- Electric fan
- Exhaust System
-
- Exhaust manifold
- Catalytic converter
- Muffler
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 oil for optimal performance. Check for oil leaks regularly.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Engine and transmission
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Catalytic converter and ECU
- Corrosion Warranty
- Miles: 100,000Years: 5Coverage: Perforation only
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% engine testingTolerances: Precision machining within 0.001 inches
- Sustainability Practices
-
- Recycled materials in components
- Low-emission manufacturing
- Energy-efficient production
- Production Metrics
- Units Per Year: 150,000Defect Rate: Less than 0.1%
Service Information for 3.7l 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 for oil leaks
Use synthetic 5W-20 oil for best performance.
- Replace spark plugs
- Inspect ignition system
- Check fuel system pressure
- Inspect exhaust system
- Test battery and charging system
Replace spark plugs with OEM parts only.
- Replace timing belt
- Flush cooling system
- Replace fuel filter
- Inspect engine mounts
- Perform compression test
Timing belt replacement is critical to prevent engine damage.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.7L engine compatible with other Dodge models or years?
Is the 3.7L engine compatible with other Dodge models or years?
The 3.7L V6 engine used in the 2005-2011 Dodge Dakota is specifically designed for this model and may not be directly compatible with other Dodge vehicles without modifications. It shares some components with the Jeep Liberty and other Chrysler vehicles, but compatibility depends on the specific model and year. Always verify with a trusted mechanic or dealership before attempting cross-model installations.
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 5,000-7,500 miles, air filter replacement every 15,000 miles, and spark plug replacement every 30,000 miles. Additionally, inspect the timing belt, coolant, and transmission fluid 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 Dodge Dakota?
How do I replace the 3.7L engine in a Dodge Dakota?
Replacing the 3.7L engine involves several steps: disconnect the battery, drain fluids, remove the radiator, and detach the transmission and exhaust system. Unbolt the engine mounts and carefully lift the engine using a hoist. 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 task.
Q4 What should I do if my 3.7L engine is overheating?
What should I do if my 3.7L engine is overheating?
Overheating in the 3.7L engine can result from a faulty thermostat, coolant leaks, or a malfunctioning water pump. First, check coolant levels and inspect for leaks. Replace the thermostat if necessary and ensure the radiator fan is functioning. If the issue persists, inspect the water pump and radiator for damage. Addressing overheating promptly prevents 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 a performance tuner to adjust engine parameters. Regularly clean fuel injectors and replace worn-out components. These steps enhance horsepower, fuel efficiency, and overall engine responsiveness.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2005-2011 Dodge Dakota Service Manual
Coming SoonComprehensive guide covering maintenance, repairs, and technical specifications for the Dodge Dakota with the 3.7L engine.
Technical Service Bulletin for 3.7L Engine
Coming SoonOfficial bulletin addressing common issues, updates, and fixes for the 3.7L engine in Dodge Dakota models.
Dodge Dakota Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 2005-2011 Dodge Dakota, 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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