Chrysler Pacifica 2004-2008 4.0L Engine Specifications
Explore detailed technical specifications for the 4.0L engine in the 2004-2008 Chrysler Pacifica. Learn about horsepower, torque, fuel system, and maintenance tips for optimal performance and reliability.
Overview Specifications
This document provides detailed specifications and technical information about the 4.0L 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 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 the information you need.
How to Use
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Navigate through the document by scrolling through the sections or using the table of contents. Each section is labeled with a title and description, making it easy to find the information you need.
Key Specifications
Displacement
4.0L
Horsepower
253 hp
Torque
262 lb-ft
Fuel System
Multi-port injection
Configuration
V6
Available Specifications
Engine Performance
This section covers the performance characteristics of the 4.0L engine, including horsepower, torque, and fuel efficiency. It also provides details on how the engine delivers power and handles various driving conditions.
Engine Performance
This section covers the performance characteristics of the 4.0L engine, including horsepower, torque, and fuel efficiency. It also provides details on how the engine delivers power and handles various driving conditions.
Horsepower and Torque
- Horsepower: 253 hp @ 6,000 rpm
- Torque: 262 lb-ft @ 4,200 rpm
- Peak power delivered at high RPM
- Smooth power delivery across the RPM range
Fuel Efficiency
- City MPG: 16
- Highway MPG: 22
- Combined MPG: 18
- Designed for balanced performance and efficiency
Engine Design
This section delves into the design and construction of the 4.0L engine, including its configuration, materials, and key components. Learn about the engineering behind its durability and performance.
Engine Design
This section delves into the design and construction of the 4.0L engine, including its configuration, materials, and key components. Learn about the engineering behind its durability and performance.
Engine Configuration
- V6 configuration
- 60-degree bank angle
- DOHC (Dual Overhead Camshaft)
- 24-valve design
Materials and Construction
- Aluminum engine block
- Forged steel crankshaft
- High-strength connecting rods
- Lightweight design for improved efficiency
Fuel and Ignition System
This section explains the fuel delivery and ignition systems of the 4.0L engine, highlighting how they contribute to performance and reliability. It includes details on fuel injection and spark timing.
Fuel and Ignition System
This section explains the fuel delivery and ignition systems of the 4.0L engine, highlighting how they contribute to performance and reliability. It includes details on fuel injection and spark timing.
Fuel System
- Sequential multi-port fuel injection
- Electronic throttle control
- Optimized fuel delivery for performance
- Meets stringent emissions standards
Ignition System
- Coil-on-plug ignition
- High-energy spark plugs
- Precise spark timing for efficiency
- Reliable performance in all conditions
Search Specifications
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Engine Specifications
Overview
- Type
- V6
- Configuration
- 60-degree V
- Platform
- Chrysler Pacifica 2004-2008
- Material
- Aluminum block and heads
- Location
- Front, transverse
Dimensions
- Length
- 24.5 inches (622.3 mm)
- Width
- 28.7 inches (729 mm)
- Height
- 27.6 inches (701 mm)
- Displacement
- 244 cubic inches (4.0 liters)
- Bore
- 3.66 inches (93 mm)
- Stroke
- 3.86 inches (98 mm)
- Weight
- 375 lbs (170 kg)
Materials
- Engine Block
- Aluminum alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Fuel System
-
- Sequential multi-port fuel injection
- Electronic throttle control
- Variable intake manifold
- Ignition System
-
- Coil-on-plug ignition
- Electronic spark advance
- Knock sensor control
- Cooling System
-
- High-capacity radiator
- Electric cooling fan
- Thermostatically controlled
- Emissions
-
- EGR system
- Catalytic converter
- OBD-II compliant
- Performance
-
- Horsepower: 253 hp @ 6400 rpm
- Torque: 262 lb-ft @ 4000 rpm
- Redline: 6500 rpm
Safety Features
- Engine Protection
-
- Low oil pressure shutdown
- Overheat protection
- Emissions Control
-
- Evaporative emissions system
- Secondary air injection
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
- 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 5W-20 oil for optimal performance.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Engine and transmission
- Corrosion
- Miles: 100,000Years: 5Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- Casting for engine block and heads
- CNC machining
- Assembly line production
- Quality Control
- inspection: 100% engine testingTolerances: Within 0.001 inches
- Sustainability Practices
-
- Recycled aluminum usage
- Low-VOC paints
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%
Service Information for 4.0l 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 engine for leaks
Use synthetic 5W-20 oil for optimal performance.
- Replace spark plugs
- Inspect timing belt
- Check fuel system
- Inspect exhaust system
- Test battery and charging system
Timing belt replacement recommended at 60,000 miles.
- Replace timing belt
- Flush cooling system
- Replace fuel filter
- Inspect and replace worn belts
- Perform compression test
Critical to replace timing belt to prevent engine damage.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 4.0L engine compatible with other Chrysler models from 2004-2008?
Is the 4.0L engine compatible with other Chrysler models from 2004-2008?
The 4.0L engine is specifically designed for the 2004-2008 Chrysler Pacifica. While it shares some components with other Chrysler engines, it is not directly compatible with other models due to differences in mounting points, electronics, and emissions systems. Always verify compatibility with your vehicle's VIN and consult a professional before attempting cross-model installations.
Q2 What are the maintenance requirements for the 4.0L engine?
What are the maintenance requirements for the 4.0L engine?
The 4.0L engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 5,000 miles, air filter replacement every 15,000 miles, and spark plug replacement every 30,000 miles. Additionally, inspect the timing belt every 60,000 miles and replace it if necessary. Regular coolant flushes and fuel system cleanings are also recommended to maintain engine efficiency.
Q3 How do I replace the 4.0L engine in my Chrysler Pacifica?
How do I replace the 4.0L engine in my Chrysler Pacifica?
Replacing the 4.0L engine involves several steps: 1) Disconnect the battery and drain fluids. 2) Remove the engine cover, intake manifold, and accessories. 3) Detach the transmission and engine mounts. 4) Use an engine hoist to lift the engine out. 5) Install the new engine by reversing the steps. Ensure all connections are secure and torque bolts to manufacturer specifications. Professional assistance is recommended.
Q4 What should I do if my 4.0L engine is overheating?
What should I do if my 4.0L engine is overheating?
If your 4.0L engine is overheating, first check the coolant level and top it off if necessary. Inspect for leaks in the radiator, hoses, or water pump. Ensure the radiator fan is functioning properly. If the issue persists, test the thermostat and replace it if faulty. A clogged radiator or failing water pump may also cause overheating and should be addressed promptly.
Q5 How can I optimize the performance of my 4.0L engine?
How can I optimize the performance of my 4.0L engine?
To optimize performance, use high-quality synthetic oil and ensure timely oil changes. Upgrade to a high-flow air filter and consider a performance exhaust system to improve airflow. Regularly clean the throttle body and fuel injectors. Tuning the engine control unit (ECU) can also enhance power and efficiency. Always follow manufacturer guidelines to avoid voiding warranties.
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, repair, and troubleshooting for the 4.0L engine and other vehicle systems.
Technical Service Bulletin: 4.0L Engine Updates
Coming SoonDetails recent updates and fixes for the 4.0L engine, including software patches and hardware improvements.
Chrysler Pacifica Parts Catalog
Coming SoonComplete catalog of OEM and aftermarket parts for the 2004-2008 Chrysler Pacifica, including the 4.0L engine.
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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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