Chrysler Pacifica 2004-2008 3.8L Engine Specifications
Explore detailed technical specifications for the 3.8L engine in the 2004-2008 Chrysler Pacifica. Learn about horsepower, torque, fuel system, and more for maintenance, repair, or upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 3.8L engine used in the 2004-2008 Chrysler Pacifica. 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 breaking down specific aspects of the engine. Use the search functionality to quickly locate specific details or navigate through the sections for a comprehensive understanding.
How to Use
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Key Specifications
Horsepower
215 hp @ 5000 rpm
Torque
245 lb-ft @ 4000 rpm
Displacement
3.8L (230 cubic inches)
Fuel Efficiency
16 mpg city / 23 mpg highway
Compression Ratio
9.6:1
Available Specifications
Engine Performance
This section covers the performance characteristics of the 3.8L engine, including horsepower, torque, and fuel efficiency. It also provides details on how the engine delivers power and its overall driving experience.
Engine Performance
This section covers the performance characteristics of the 3.8L engine, including horsepower, torque, and fuel efficiency. It also provides details on how the engine delivers power and its overall driving experience.
Horsepower and Torque
- Horsepower: 215 hp @ 5000 rpm
- Torque: 245 lb-ft @ 4000 rpm
- Power delivery: Smooth and consistent across the RPM range
- Fuel efficiency: 16 mpg city / 23 mpg highway
- Acceleration: 0-60 mph in approximately 8.5 seconds
- Top speed: Electronically limited to 112 mph
Fuel System
- Fuel type: Regular unleaded gasoline
- Fuel delivery: Sequential multi-port fuel injection
- Fuel tank capacity: 19.5 gallons
- Emissions: Meets ULEV standards
- Throttle response: Linear and predictable
Engine Design
This section delves into the design and construction of the 3.8L engine, including its configuration, materials, and key engineering features.
Engine Design
This section delves into the design and construction of the 3.8L engine, including its configuration, materials, and key engineering features.
Engine Configuration
- Engine type: V6
- Displacement: 3.8 liters (230 cubic inches)
- Cylinder arrangement: 60-degree V-angle
- Valvetrain: SOHC, 2 valves per cylinder
- Bore x Stroke: 3.78 in x 3.43 in
- Compression ratio: 9.6:1
Materials and Construction
- Block material: Cast iron
- Cylinder head material: Aluminum
- Pistons: Forged aluminum
- Crankshaft: Forged steel
- Weight: Approximately 400 lbs
Maintenance and Durability
This section provides information on the maintenance requirements and durability of the 3.8L engine, including recommended service intervals and common issues.
Maintenance and Durability
This section provides information on the maintenance requirements and durability of the 3.8L engine, including recommended service intervals and common issues.
Service Intervals
- Oil change: Every 5,000 miles or 6 months
- Spark plugs: Replace every 30,000 miles
- Timing belt: Inspect every 60,000 miles
- Coolant flush: Every 100,000 miles
- Air filter: Replace every 15,000 miles
Common Issues
- Oil leaks: Common around valve cover gaskets
- Ignition coil failure: Occasional reports
- Cooling system: Check for thermostat and water pump issues
- Exhaust manifold: Potential for cracking over time
- Transmission compatibility: Ensure proper fluid levels
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Engine Specifications
Overview
- Type
- V6
- Configuration
- 60-degree V
- Displacement
- 3.8 liters (231 cubic inches)
- Aspiration
- Naturally aspirated
- Fuel Type
- Gasoline
- Location
- Front, longitudinal
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 26.7 inches (678 mm)
- Height
- 27.3 inches (693 mm)
- Weight
- 375 lbs (170 kg)
- Bore
- 3.78 inches (96 mm)
- Stroke
- 3.40 inches (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
- Ignition System
-
- Distributorless ignition
- Coil-on-plug design
- Electronic spark control
- Fuel System
-
- Sequential multi-port fuel injection
- Returnless fuel system
- Electronic throttle control
- Cooling System
-
- Cross-flow radiator
- Electric cooling fan
- Thermostatically controlled
- Lubrication System
-
- Full-pressure oil system
- Oil cooler
- High-capacity oil pump
- Emissions Control
-
- EGR system
- Catalytic converter
- OBD-II compliance
Safety Features
- Engine Protection
-
- Low oil pressure shutdown
- Overheat protection
- Knock sensor
- Emissions Safety
-
- Evaporative emissions control
- Fuel vapor recovery system
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Climate Control
-
- Heated air intake
- Integrated HVAC system
Accessories
- Belts And Pulleys
-
- Serpentine belt
- Tensioner pulley
- Idler pulley
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Oxygen sensor
- Crankshaft position sensor
- Camshaft position 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 oil for extended intervals. 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 sensors
- Corrosion Warranty
- Miles: 100,000Years: 5Coverage: Perforation from rust
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 3.8l 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 coolant level
Use only manufacturer-recommended fluids and filters.
- Replace spark plugs
- Inspect timing belt
- Check fuel system
- Inspect exhaust system
- Test emissions system
Timing belt replacement recommended at 60,000 miles.
- Replace timing belt
- Flush coolant system
- Replace fuel filter
- Inspect engine mounts
- Check valve clearance
Critical to replace timing belt to prevent engine damage.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.8L engine compatible with other Chrysler models from 2004-2008?
Is the 3.8L engine compatible with other Chrysler models from 2004-2008?
The 3.8L V6 engine used in the 2004-2008 Chrysler Pacifica is specifically designed for this model and may not be directly compatible with other Chrysler vehicles without modifications. It features a cast iron block, aluminum heads, and a displacement of 3.8 liters, producing 215 horsepower. Always verify compatibility with your vehicle's VIN and consult a professional before attempting any swaps.
Q2 What are the maintenance requirements for the 3.8L engine?
What are the maintenance requirements for the 3.8L engine?
The 3.8L engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 5,000 miles, spark plug replacement every 30,000 miles, and timing belt inspection every 60,000 miles. Additionally, coolant flushes, air filter replacements, and periodic checks of the ignition system are recommended. Adhering to the manufacturer's maintenance schedule is crucial for longevity.
Q3 How do I replace the 3.8L engine in a 2004-2008 Chrysler Pacifica?
How do I replace the 3.8L engine in a 2004-2008 Chrysler Pacifica?
Replacing the 3.8L 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. 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 3.8L engine is overheating?
What should I do if my 3.8L engine is overheating?
If your 3.8L 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 failures. Always address overheating promptly to prevent engine damage.
Q5 How can I optimize the performance of my 3.8L engine?
How can I optimize the performance of my 3.8L engine?
To optimize performance, use high-quality synthetic oil and ensure regular maintenance. Upgrade the air intake and exhaust systems for better airflow. Consider a performance tune to enhance fuel efficiency and power output. Regularly clean fuel injectors and replace worn components like spark plugs and ignition coils. Proper tire pressure and alignment also contribute to overall 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.
2004-2008 Chrysler Pacifica Service Manual
Coming SoonComprehensive guide covering maintenance, repairs, and technical specifications for the 3.8L engine and other components.
Technical Service Bulletin: 3.8L Engine Updates
Coming SoonDetails updates and fixes for common issues with the 3.8L engine, including software updates and part replacements.
Chrysler Pacifica Parts Catalog
Coming SoonComplete catalog of OEM and aftermarket parts for the 2004-2008 Pacifica, including engine components and accessories.
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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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