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Jeep Wrangler 2007-2017 3.8L V6 Engine Specifications
Explore the detailed specifications of the 3.8L V6 engine for the 2007-2017 Jeep Wrangler. This guide covers horsepower, torque, fuel efficiency, and maintenance tips, making it a must-read for owners and technicians.
Overview Specifications
This document provides detailed specifications and technical information about the 3.8L V6 engine used in the 2007-2017 Jeep Wrangler. It is designed to assist enthusiasts, mechanics, and owners in understanding the engine's features, performance, and maintenance requirements. Use the search functionality to quickly locate specific details or navigate through the sections to explore comprehensive information about the engine's design, capabilities, and key specifications.
How to Use
Use the search bar to enter keywords like 'horsepower,' 'torque,' or 'fuel efficiency' to find relevant information instantly. Ensure your search terms are specific for accurate results.
Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections for easy access to detailed technical points.
Key Specifications
Displacement
3.8L
Horsepower
202 HP
Torque
237 lb-ft
Fuel Efficiency
17 MPG combined
Oil Capacity
6 quarts
Available Specifications
Engine Design
The 3.8L V6 engine in the Jeep Wrangler features a robust design optimized for off-road performance and reliability. This section covers the engine's architecture, materials, and construction details.
Engine Design
The 3.8L V6 engine in the Jeep Wrangler features a robust design optimized for off-road performance and reliability. This section covers the engine's architecture, materials, and construction details.
Architecture
- Naturally aspirated V6 configuration
- 60-degree cylinder bank angle
- Cast iron engine block
- Aluminum cylinder heads
- Overhead valve (OHV) design
- Sequential multi-port fuel injection
Materials
- High-strength cast iron for durability
- Lightweight aluminum heads for heat dissipation
- Steel crankshaft for reliability
- Powdered metal connecting rods
- Forged pistons for high compression
Performance
This section highlights the 3.8L V6 engine's performance metrics, including horsepower, torque, and fuel efficiency. Learn how the engine delivers power for both on-road and off-road driving.
Performance
This section highlights the 3.8L V6 engine's performance metrics, including horsepower, torque, and fuel efficiency. Learn how the engine delivers power for both on-road and off-road driving.
Power Output
- 202 horsepower at 5,200 RPM
- 237 lb-ft of torque at 4,000 RPM
- Redline at 5,500 RPM
- Optimized for low-end torque
- Suitable for towing and off-roading
Fuel Efficiency
- 15 MPG city
- 19 MPG highway
- 17 MPG combined
- EPA-certified emissions rating
- Designed for regular unleaded fuel
Maintenance
Proper maintenance is essential for the longevity of the 3.8L V6 engine. This section provides guidelines for oil changes, fluid checks, and common maintenance tasks.
Maintenance
Proper maintenance is essential for the longevity of the 3.8L V6 engine. This section provides guidelines for oil changes, fluid checks, and common maintenance tasks.
Oil and Fluids
- Recommended oil: 5W-20 synthetic blend
- Oil capacity: 6 quarts with filter
- Coolant capacity: 10.5 quarts
- Transmission fluid type: ATF+4
- Regular oil changes every 5,000 miles
Common Tasks
- Inspect and replace air filter annually
- Check spark plugs every 30,000 miles
- Monitor engine belts for wear
- Flush coolant system every 50,000 miles
- Inspect PCV valve for proper operation
Search Specifications
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Engine Specifications
Overview
- Type
- Gasoline V6
- Configuration
- 60-degree V6
- Displacement
- 3.8 liters
- Material
- Cast iron block with aluminum heads
- Location
- Front, longitudinal
Dimensions
- Length
- 24.6 inches (625 mm)
- Width
- 28.3 inches (719 mm)
- Height
- 27.9 inches (709 mm)
- Weight
- 440 lbs (199.6 kg)
- Bore
- 3.78 inches (96 mm)
- Stroke
- 3.43 inches (87 mm)
- Oil Capacity
- 6 quarts (5.7 liters)
Materials
- Block
- Cast iron
- Cylinder Heads
- Aluminum
- Pistons
- Aluminum alloy
- Valves
- Steel
- Crankshaft
- Forged steel
Features
- Fuel System
-
- Sequential multi-port fuel injection
- Electronic throttle control
- Returnless fuel system
- Cooling
-
- Liquid-cooled
- High-capacity radiator
- Electric cooling fan
- Ignition
-
- Direct ignition system
- Platinum-tipped spark plugs
- Coil-on-plug design
- Emissions
-
- Catalytic converter
- EGR system
- OBD-II compliant
- Performance
-
- Variable valve timing
- High-flow intake manifold
- Dual exhaust system
Safety Features
- Engine Protection
-
- Low oil pressure shutdown
- Overheat protection
- Knock sensor
- Emissions Control
-
- Evaporative emissions system
- Secondary air injection
- Catalytic converter monitoring
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Tuned intake manifold
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Hydraulic valve lifters
Accessories
- Belts And Hoses
-
- Serpentine belt
- Timing belt
- Coolant hoses
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Oxygen sensor
- Coolant temperature sensor
- Crankshaft position sensor
Maintenance
- Service intervals
-
- Oil change every 3,000 miles or 3 months
- Spark plugs every 30,000 miles
- Timing belt every 60,000 miles
- Coolant flush every 50,000 miles
- Air filter every 15,000 miles
- Notes
-
- Use synthetic oil for extended intervals
- Check for oil leaks regularly
- Inspect belts and hoses for wear
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Engine, transmission, drivetrain
- Emissions
- Miles: 80,000Years: 8Coverage: Catalytic converter, ECU, sensors
- Corrosion
- Miles: 100,000Years: 5Coverage: Perforation from rust
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- Casting for engine block
- CNC machining for cylinder heads
- Robotic assembly
- Quality Control
- Testing: Cold testing, Hot testing, Dyno testinginspection: Visual inspection, Leak testing, Dimensional checks
- Sustainability
-
- Recycled materials in components
- Low VOC paints
- Energy-efficient manufacturing
- Production Metrics
- Units Per Year: 150,000Defect Rate: 0.1%Lead Time: 2 weeks
Service Information for 3.8l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect belts and hoses
- Check fluid levels
- Inspect spark plugs
- Check for leaks
Use only recommended oil grade
- Replace spark plugs
- Inspect timing belt
- Replace air filter
- Check ignition system
- Inspect fuel system
Ensure proper gap for spark plugs
- Replace timing belt
- Flush coolant system
- Replace fuel filter
- Inspect engine mounts
- Check exhaust system
Timing belt replacement is critical to prevent engine damage
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.8L V6 engine compatible with other Jeep models?
Is the 3.8L V6 engine compatible with other Jeep models?
The 3.8L V6 engine is primarily designed for the 2007-2017 Jeep Wrangler (JK series). It is not directly compatible with other Jeep models like the Cherokee or Grand Cherokee without significant modifications. Always verify compatibility with your vehicle's specifications and consult a professional before attempting any engine swaps or upgrades.
Q2 What are the maintenance requirements for the 3.8L V6 engine?
What are the maintenance requirements for the 3.8L V6 engine?
The 3.8L V6 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 inspection every 30,000 miles. Additionally, coolant and transmission fluid should be checked and replaced as per the manufacturer’s recommendations. Regular inspections of belts, hoses, and the timing chain are also essential.
Q3 How do I install or replace the 3.8L V6 engine in my Jeep Wrangler?
How do I install or replace the 3.8L V6 engine in my Jeep Wrangler?
Replacing the 3.8L V6 engine involves several steps: 1) Disconnect the battery and drain fluids. 2) Remove ancillary components like the alternator, AC compressor, and exhaust manifold. 3) Detach the transmission and engine mounts. 4) Carefully lift the engine using a hoist. For installation, reverse the process, ensuring all connections are secure and fluids are refilled. Professional installation is recommended for optimal results.
Q4 What are common troubleshooting steps for the 3.8L V6 engine?
What are common troubleshooting steps for the 3.8L V6 engine?
Common issues with the 3.8L V6 engine include oil leaks, overheating, and reduced performance. Start by checking for visible leaks, inspecting the cooling system, and ensuring proper oil levels. Use an OBD-II scanner to identify error codes. Address issues like worn gaskets, faulty sensors, or clogged filters promptly. Regular maintenance can prevent many of these problems.
Q5 How can I optimize the performance of the 3.8L V6 engine?
How can I optimize the performance of the 3.8L V6 engine?
To optimize performance, consider upgrading the air intake and exhaust systems for better airflow. Use high-quality synthetic oil and ensure proper tuning of the engine. Regularly clean fuel injectors and replace spark plugs. Adding a performance chip or programmer can also enhance power and efficiency. Always balance upgrades with proper maintenance for sustained 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.
2007-2017 Jeep Wrangler Service Manual
Coming SoonThis comprehensive manual covers all aspects of maintenance, repair, and troubleshooting for the Jeep Wrangler, including detailed instructions for the 3.8L V6 engine.
Technical Service Bulletin for 3.8L V6 Engine
Coming SoonThis bulletin provides updates and fixes for common issues related to the 3.8L V6 engine, including oil leaks and overheating problems.
Jeep Wrangler Parts and Accessories Catalog
Coming SoonThis catalog lists all available parts and accessories for the 2007-2017 Jeep Wrangler, including engine components and performance upgrades.
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Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
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The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
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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