Jeep Liberty 2002-2007 3.7L V6 Engine Specifications
Explore the comprehensive technical specifications of the 3.7L V6 engine for the 2002-2007 Jeep Liberty. Learn about engine performance, maintenance, and compatibility for optimal vehicle care and upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 3.7L V6 engine used in the 2002-2007 Jeep Liberty. It is designed for enthusiasts, mechanics, and owners seeking to understand the engine's features, performance, and maintenance. The content is organized into sections for easy navigation and includes a quick reference guide for key specifications.
How to Use
Use the search functionality to quickly locate specific terms or topics within the document. Enter keywords related to the information you need, such as 'horsepower' or 'fuel system'.
Navigate through the document by scrolling or using the table of contents. Each section is clearly labeled, and subsections provide detailed information on specific aspects of the engine.
Key Specifications
Displacement
3.7 liters
Horsepower
210 hp
Torque
235 lb-ft
Compression Ratio
9.7:1
Fuel Type
Regular unleaded
Available Specifications
Engine Specifications
This section covers the fundamental specifications of the 3.7L V6 engine, including its displacement, configuration, and key performance metrics. It is essential for understanding the engine's capabilities and design.
Engine Specifications
This section covers the fundamental specifications of the 3.7L V6 engine, including its displacement, configuration, and key performance metrics. It is essential for understanding the engine's capabilities and design.
General Specifications
- Displacement: 3.7 liters
- Configuration: V6
- Bore x Stroke: 93.0 mm x 91.0 mm
- Compression Ratio: 9.7:1
- Valvetrain: SOHC, 12 valves
- Fuel System: Sequential multi-port fuel injection
Performance Metrics
- Horsepower: 210 hp @ 5200 rpm
- Torque: 235 lb-ft @ 4000 rpm
- Redline: 6000 rpm
- Fuel Type: Regular unleaded
Engine Design
This section delves into the design features of the 3.7L V6 engine, including its construction materials, cooling system, and lubrication system. It highlights the engine's durability and efficiency.
Engine Design
This section delves into the design features of the 3.7L V6 engine, including its construction materials, cooling system, and lubrication system. It highlights the engine's durability and efficiency.
Construction
- Block Material: Cast iron
- Cylinder Head Material: Aluminum
- Piston Material: Aluminum alloy
- Crankshaft Material: Forged steel
Cooling and Lubrication
- Cooling System: Liquid-cooled
- Oil Capacity: 6 quarts (with filter)
- Oil Type: 5W-30
- Oil Change Interval: 3,000-5,000 miles
Maintenance and Service
This section provides guidance on maintaining and servicing the 3.7L V6 engine. It includes recommended service intervals, common issues, and tips for ensuring optimal performance.
Maintenance and Service
This section provides guidance on maintaining and servicing the 3.7L V6 engine. It includes recommended service intervals, common issues, and tips for ensuring optimal performance.
Service Intervals
- Oil Change: Every 3,000-5,000 miles
- Spark Plug Replacement: Every 30,000 miles
- Air Filter Replacement: Every 15,000-30,000 miles
- Timing Belt Inspection: Every 60,000 miles
Common Issues
- Oil leaks from valve cover gaskets
- Coolant leaks from water pump
- Ignition coil failures
- Throttle body cleaning required periodically
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Engine Specifications
Overview
- Type
- Gasoline
- Configuration
- V6
- Displacement
- 3.7 liters
- Fuel System
- Sequential multi-port fuel injection
- Valvetrain
- SOHC, 12 valves
- Location
- Front, longitudinal
Dimensions
- Length
- 25.6 inches (650 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 27.2 inches (691 mm)
- Weight
- 400 lbs (181 kg)
- Bore
- 3.66 inches (93 mm)
- Stroke
- 3.41 inches (86.5 mm)
- Compression Ratio
- 9.7:1
- Oil Capacity
- 6 quarts (5.7 liters)
Materials
- Block
- Cast iron
- Cylinder Head
- Aluminum
- Pistons
- Aluminum alloy
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Performance
-
- 210 horsepower @ 5200 rpm
- 235 lb-ft torque @ 4000 rpm
- Electronic throttle control
- High-flow intake manifold
- Efficiency
-
- Low-friction piston rings
- Optimized combustion chamber
- Lightweight components
- Cooling
-
- High-capacity radiator
- Electric cooling fan
- Thermostatically controlled
- Ignition
-
- Distributorless ignition system
- Platinum-tipped spark plugs
- Coil-on-plug design
- Emissions
-
- Catalytic converter
- Exhaust gas recirculation (EGR)
- OBD-II compliance
Safety Features
- Engine Protection
-
- Oil pressure warning
- Coolant temperature warning
- Fuel System
-
- Rollover fuel shutoff
- Leak detection system
- Electrical
-
- Short circuit protection
- Overload protection
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Climate Control
-
- Heated air intake
- Engine block heater
Accessories
- Engine Bay
-
- Air intake system
- Battery and cables
- Serpentine belt
- Exhaust
-
- Exhaust manifold
- Muffler
- Tailpipe
- Cooling System
-
- Radiator
- Coolant reservoir
- Water pump
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Spark plug inspection
- Air filter replacement
- Coolant flush
- Belt and hose inspection
- Maintenance Notes
- Use synthetic oil for extended intervals.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 5Coverage: Engine and transmission
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation from rust
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
- Warranty Terms
- Original owner only, transferable with fee.
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Quality Control
- inspection: 100% engine testingStandards: ISO 9001 certifiedDefect Rate: Less than 0.1%
- Sustainability Practices
-
- Recycled materials
- Low-emission manufacturing
- Energy-efficient facilities
- Production Metrics
- Units Per Day: 500Lead Time: 2 weeksYield Rate: 98.5%
Service Information for 3.7l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect spark plugs
- Check air filter
- Inspect belts and hoses
- Check fluid levels
Use synthetic oil for optimal performance.
- Replace air filter
- Inspect cooling system
- Check ignition system
- Inspect exhaust system
- Rotate tires
Follow torque specifications for all components.
- Replace spark plugs
- Flush and replace coolant
- Inspect timing chain
- Replace serpentine belt
- Perform compression test
Critical to ensure engine longevity.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.7L V6 engine compatible with other Jeep models?
Is the 3.7L V6 engine compatible with other Jeep models?
The 3.7L V6 engine is specifically designed for the 2002-2007 Jeep Liberty. While it shares some components with other Jeep engines, it is not directly compatible with other models due to differences in mounting points, wiring harnesses, and ECU configurations. Always consult a professional or refer to the service manual before attempting cross-model compatibility.
Q2 What are the maintenance requirements for the 3.7L V6 engine?
What are the maintenance requirements for the 3.7L V6 engine?
Regular maintenance for the 3.7L V6 engine includes 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, and serpentine belt periodically. Adhering to these guidelines ensures optimal performance and longevity of the engine.
Q3 How do I replace the 3.7L V6 engine in my Jeep Liberty?
How do I replace the 3.7L V6 engine in my Jeep Liberty?
Replacing the 3.7L V6 engine involves disconnecting the battery, draining fluids, and removing components like the radiator, exhaust system, and wiring harness. Use an engine hoist to lift the old engine out and carefully install the new one, ensuring all connections are secure. Always refer to the service manual for detailed instructions and torque specifications.
Q4 What should I do if my 3.7L V6 engine is overheating?
What should I do if my 3.7L V6 engine is overheating?
If the engine is overheating, check the coolant level, radiator, and thermostat for issues. Inspect the water pump and hoses for leaks or blockages. Ensure the cooling fan is functioning properly. If the problem persists, it may indicate a more serious issue like a blown head gasket, requiring professional diagnosis and repair.
Q5 How can I optimize the performance of my 3.7L V6 engine?
How can I optimize the performance of my 3.7L V6 engine?
To optimize performance, use high-quality synthetic oil, upgrade the air intake and exhaust systems, and ensure the engine is properly tuned. Regularly clean fuel injectors and replace spark plugs. Additionally, consider using a performance chip to enhance throttle response and power output. Always follow manufacturer recommendations for modifications.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Jeep Liberty 2002-2007 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the Jeep Liberty, including the 3.7L V6 engine.
Technical Service Bulletin for 3.7L V6 Engine
Coming SoonLatest updates and fixes for common issues related to the 3.7L V6 engine in the Jeep Liberty.
Jeep Liberty Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 2002-2007 Jeep Liberty, including the 3.7L V6 engine.
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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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