Jeep Liberty 2008-2012 3.7L V6 Engine Specifications
Explore detailed specifications for the 3.7L V6 engine in the 2008-2012 Jeep Liberty. This guide covers performance, maintenance, and compatibility for owners and technicians.
Overview Specifications
This document provides detailed specifications and technical information about the 3.7L V6 engine used in the 2008-2012 Jeep Liberty. It is designed to assist users in understanding the engine's features, performance, and maintenance requirements. The content is organized into sections for easy navigation, with subsections breaking down specific aspects of the engine. Use the search and navigation instructions to quickly find relevant information.
How to Use
To search for specific terms or phrases, use the search bar at the top of the document. Enter keywords related to the engine feature or specification you are looking for, and the document will highlight relevant results.
Navigate through the document by scrolling or using the table of contents to jump directly to major sections. Each section is divided into subsections, which can be accessed by clicking on the corresponding titles.
Key Specifications
Displacement
3.7 liters
Horsepower
210 hp @ 5200 rpm
Torque
235 lb-ft @ 4000 rpm
Compression Ratio
9.6:1
Fuel Type
Regular Unleaded
Available Specifications
Engine Specifications
This section outlines the key technical specifications of the 3.7L V6 engine, including its displacement, configuration, and output. It provides a comprehensive overview of the engine's design and performance capabilities.
Engine Specifications
This section outlines the key technical specifications of the 3.7L V6 engine, including its displacement, configuration, and output. It provides a comprehensive overview of the engine's design and performance capabilities.
General Specifications
- Displacement: 3.7 liters
- Configuration: V6
- Valvetrain: SOHC (Single Overhead Cam)
- Cylinder Block Material: Cast Iron
- Cylinder Head Material: Aluminum
- Bore x Stroke: 93.0 mm x 91.0 mm
Performance Output
- Horsepower: 210 hp @ 5200 rpm
- Torque: 235 lb-ft @ 4000 rpm
- Compression Ratio: 9.6:1
- Fuel System: Sequential Multi-Port Fuel Injection
- Fuel Type: Regular Unleaded
Design Features
This section highlights the design features that make the 3.7L V6 engine reliable and efficient. It covers the engine's construction, cooling system, and other notable engineering elements.
Design Features
This section highlights the design features that make the 3.7L V6 engine reliable and efficient. It covers the engine's construction, cooling system, and other notable engineering elements.
Engine Construction
- Cast iron block for durability
- Aluminum cylinder heads for weight reduction
- Forged steel crankshaft
- Hydraulic roller lifters for reduced maintenance
- Timing chain for long-term reliability
Cooling and Lubrication
- High-flow water pump for efficient cooling
- Oil cooler integrated into the filter housing
- Full-flow oil filtration system
- Coolant capacity: 10.5 quarts
- Oil capacity: 6 quarts with filter
Maintenance and Service
This section provides essential information on maintaining and servicing the 3.7L V6 engine. It includes recommended service intervals, common maintenance tasks, and tips for optimal engine performance.
Maintenance and Service
This section provides essential information on maintaining and servicing the 3.7L V6 engine. It includes recommended service intervals, common maintenance tasks, and tips for optimal engine performance.
Service Intervals
- Oil change: Every 3,000-5,000 miles
- Spark plug replacement: Every 30,000 miles
- Coolant flush: Every 60,000 miles
- Air filter replacement: Every 15,000 miles
- Timing chain inspection: Every 100,000 miles
Common Maintenance Tasks
- Check and replace engine oil regularly
- Inspect and clean the throttle body
- Monitor coolant levels and condition
- Replace worn drive belts and hoses
- Ensure proper ignition system function
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Engine Specifications
Overview
- Type
- Gasoline
- Configuration
- V6
- Displacement
- 3.7 liters
- Aspiration
- Naturally Aspirated
- Location
- Front, Longitudinal
Dimensions
- Length
- 25.6 in (650 mm)
- Width
- 28.3 in (719 mm)
- Height
- 27.5 in (698 mm)
- Weight
- 415 lbs (188 kg)
- Bore
- 3.66 in (93 mm)
- Stroke
- 3.41 in (86.5 mm)
- Compression Ratio
- 9.6:1
Materials
- Block
- Cast Iron
- Cylinder Head
- 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
- High-Energy Spark Plugs
- Distributorless Ignition System
- Cooling System
-
- High-Efficiency Radiator
- Electric Cooling Fan
- Coolant Temperature Sensor
- Emissions Control
-
- Catalytic Converter
- Exhaust Gas Recirculation (EGR)
- Evaporative Emissions System
- Lubrication System
-
- Full-Flow Oil Filter
- High-Pressure Oil Pump
- Oil Cooler
Safety Features
- Engine Protection
-
- Low Oil Pressure Warning
- Overheat Warning
- Engine Immobilizer
- Fire Safety
-
- Firewall Heat Shields
- Fuel Cutoff Switch
Comfort Features
- Noise Reduction
-
- Acoustic Engine Cover
- Hydraulic Engine Mounts
- Vibration Control
-
- Balanced Crankshaft
- Dual Mass Flywheel
Accessories
- Belts And Pulleys
-
- Serpentine Belt
- Tensioner Pulley
- Idler Pulley
- Sensors
-
- Throttle Position Sensor
- Crankshaft Position Sensor
- Camshaft Position Sensor
- Filters
-
- Air Filter
- Oil Filter
- Fuel Filter
Maintenance
- Service intervals
-
- Oil Change: Every 3,000 miles or 3 months
- Air Filter: Every 15,000 miles
- Fuel Filter: Every 30,000 miles
- Spark Plugs: Every 60,000 miles
- Timing Belt: Every 90,000 miles
- Notes
- Use synthetic oil for extended service intervals. Check coolant levels regularly.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-Bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Engine and Transmission
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation Only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal Emissions Components
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Plant
- Trenton Engine Plant, Michigan
- Quality Control
- Testing: Dyno Testinginspection: 100% Visual InspectionTolerances: Precision Machining
- Sustainability Practices
-
- Recycled Materials in Components
- Emission Control Systems
- Energy-Efficient Manufacturing
- Production Metrics
- Units Per Year: 150,000Defect Rate: Less than 0.5%
Service Information for 3.7l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and Filter Change
- Inspect Belts and Hoses
- Check Fluid Levels
- Inspect Exhaust System
Use synthetic oil for best performance.
- Replace Air Filter
- Inspect Spark Plugs
- Check Ignition System
- Inspect Fuel System
Ensure all electrical connections are secure.
- Replace Spark Plugs
- Inspect Timing Belt
- Flush Cooling System
- Check Engine Mounts
Timing belt replacement recommended if signs of wear are present.
Common Questions
Find answers to common questions about torque specifications
Q1 What vehicles are compatible with the 3.7L V6 engine from 2008-2012 Jeep Liberty?
What vehicles are compatible with the 3.7L V6 engine from 2008-2012 Jeep Liberty?
The 3.7L V6 engine is specifically designed for the 2008-2012 Jeep Liberty (KJ and KK models). It is not compatible with other Jeep models or years without significant modifications. This engine features a cast-iron block, aluminum heads, and produces 210 horsepower with 235 lb-ft of torque. Always verify compatibility with your vehicle’s VIN before purchase.
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 inspection/replacement every 30,000 miles. Coolant should be flushed every 60,000 miles, and timing belt replacement is recommended at 100,000 miles. Regularly check for oil leaks, as this engine is prone to them.
Q3 How do I replace the 3.7L V6 engine in a 2008-2012 Jeep Liberty?
How do I replace the 3.7L V6 engine in a 2008-2012 Jeep Liberty?
To replace the 3.7L V6 engine, start by disconnecting the battery and draining fluids. Remove the intake manifold, exhaust system, and accessories. Unbolt the engine mounts and transmission bellhousing bolts. Use an engine hoist to lift the engine out. Install the new engine by reversing the steps, ensuring all connections are secure. Torque all bolts to manufacturer specifications.
Q4 What are common troubleshooting steps for the 3.7L V6 engine?
What are common troubleshooting steps for the 3.7L V6 engine?
Common issues include rough idling, oil leaks, and reduced power. For rough idling, inspect spark plugs and ignition coils. Oil leaks often stem from the valve cover gasket or oil pan gasket—replace as needed. Reduced power could indicate a clogged fuel filter or failing fuel pump. Use an OBD-II scanner to diagnose error codes for precise troubleshooting.
Q5 How can I optimize the performance of the 3.7L V6 engine?
How can I optimize the performance of the 3.7L V6 engine?
To optimize performance, use high-quality synthetic oil and ensure regular maintenance. Upgrade the air intake system for better airflow and install a high-flow exhaust system. Consider a performance tuner to adjust fuel mapping and ignition timing. Keep tires properly inflated and reduce vehicle weight for improved efficiency. Regular engine diagnostics can also help 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.
Jeep Liberty 3.7L V6 Service Manual
Coming SoonDetailed manual covering maintenance, repair, and technical specifications for the 3.7L V6 engine.
TSB 09-001-12: Engine Oil Leak
Coming SoonTechnical Service Bulletin addressing common oil leak issues in the 3.7L V6 engine.
Jeep Liberty 3.7L V6 Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket parts for 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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