Jeep Liberty 2002-2007 HVAC Specifications
Explore detailed HVAC specifications for the 2002-2007 Jeep Liberty, including AC, heating, and ventilation systems. Perfect for maintenance, repairs, and parts compatibility.
Overview Specifications
This document provides detailed specifications and technical information about the HVAC (Heating, Ventilation, and Air Conditioning) system for the 2002-2007 Jeep Liberty. It is designed to assist users in understanding the system's components, functionality, and maintenance requirements. Use this guide to navigate through sections, search for specific details, and reference key specifications for quick access.
How to Use
Use the search functionality to locate specific terms or components within the document. Enter keywords related to the HVAC system, such as 'blower motor' or 'refrigerant type,' to find relevant information quickly.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized by major topics, with subsections providing detailed technical points for easy reference.
Key Specifications
Refrigerant Type
R-134a
Refrigerant Capacity
24-28 oz
Cooling Output
12,000-14,000 BTU/h
Blower Motor Voltage
12V DC
Heater Core Flow Rate
5-7 GPM
Available Specifications
HVAC System Components
This section outlines the primary components of the HVAC system in the 2002-2007 Jeep Liberty. It includes details about the blower motor, evaporator, condenser, and other critical parts that ensure proper heating and cooling functionality.
HVAC System Components
This section outlines the primary components of the HVAC system in the 2002-2007 Jeep Liberty. It includes details about the blower motor, evaporator, condenser, and other critical parts that ensure proper heating and cooling functionality.
Blower Motor
- Located behind the glove compartment
- 12V DC motor with variable speed control
- Responsible for circulating air through the vents
- Common issues include motor failure or resistor problems
- Replacement requires removal of the glove compartment
- Compatible with aftermarket and OEM parts
Evaporator and Condenser
- Evaporator located inside the HVAC housing
- Condenser mounted in front of the radiator
- Both components use R-134a refrigerant
- Evaporator cools air before it enters the cabin
- Condenser dissipates heat from the refrigerant
- Regular cleaning prevents clogging and inefficiency
Refrigerant and Cooling
This section covers the refrigerant type, capacity, and cooling performance of the HVAC system. It also includes maintenance tips and troubleshooting advice for common cooling-related issues.
Refrigerant and Cooling
This section covers the refrigerant type, capacity, and cooling performance of the HVAC system. It also includes maintenance tips and troubleshooting advice for common cooling-related issues.
Refrigerant Type and Capacity
- Uses R-134a refrigerant
- Total system capacity: 24-28 ounces
- Refrigerant must meet SAE J639 standards
- Overcharging or undercharging can reduce efficiency
- Refrigerant should be checked annually
- Leaks can be detected using UV dye
Cooling Performance
- Average cooling output: 12,000-14,000 BTU/h
- Optimal performance at ambient temperatures below 95°F
- Reduced cooling efficiency in high humidity
- Ensure condenser fins are clean and undamaged
- Check for proper compressor clutch engagement
- Replace cabin air filter for improved airflow
Heating System
This section provides information about the heating components, including the heater core, thermostat, and controls. It also includes tips for diagnosing and resolving heating issues.
Heating System
This section provides information about the heating components, including the heater core, thermostat, and controls. It also includes tips for diagnosing and resolving heating issues.
Heater Core
- Located inside the HVAC housing
- Transfers heat from engine coolant to cabin air
- Common issues include leaks and clogging
- Flushing the core can restore performance
- Replacement requires dashboard removal
- Use a 50/50 coolant mixture for optimal performance
Thermostat and Controls
- Thermostat regulates engine coolant temperature
- HVAC controls include manual and automatic options
- Check for proper blend door operation
- Faulty controls can cause inconsistent heating
- Replace thermostat if engine runs too cold or hot
- Ensure all vacuum lines are intact for proper operation
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- Automatic Climate Control
- Configuration
- Dual-Zone
- Platform
- Jeep Liberty KJ Series
- Material
- Plastic and Aluminum
- Location
- Front Dashboard
Dimensions
- Blower Motor Diameter
- 5.5 inches (140 mm)
- Evaporator Core Length
- 12.8 inches (325 mm)
- Condenser Core Width
- 18.9 inches (480 mm)
- Compressor Height
- 6.3 inches (160 mm)
- Heater Core Thickness
- 1.2 inches (30 mm)
- Air Duct Diameter
- 3.1 inches (80 mm)
- Control Panel Width
- 8.7 inches (220 mm)
Materials
- Blower Motor
- Steel and Copper
- Evaporator Core
- Aluminum
- Condenser Core
- Aluminum and Copper
- Heater Core
- Aluminum and Plastic
- Control Panel
- Plastic and Electronic Components
Features
- Climate Control
-
- Dual-Zone Temperature Control
- Automatic Temperature Adjustment
- Rear Defrost Function
- Cabin Air Filter
- Air Distribution
-
- Front and Rear Vents
- Adjustable Airflow Direction
- Recirculation Mode
- Defrost Mode
- Performance
-
- High-Efficiency Compressor
- Variable Speed Blower Motor
- Quick Cooling and Heating
- Low Noise Operation
- Controls
-
- Digital Temperature Display
- Rotary Knob Controls
- Automatic Fan Speed Adjustment
- Defrost Timer
- Safety
-
- Overheat Protection
- Low Refrigerant Detection
- System Pressure Monitoring
Safety Features
- System Protection
-
- High-Pressure Cutoff Switch
- Thermal Fuse Protection
- Driver Assistance
-
- Automatic Defrost Activation
- Fog Detection
- Environmental
-
- R134a Refrigerant Compliance
- Leak Detection
Comfort Features
- Temperature Control
-
- Precise Dual-Zone Adjustment
- Memory Settings
- Air Quality
-
- Cabin Air Filtration
- Odor Reduction
- Noise Reduction
-
- Quiet Blower Motor
- Vibration Dampening
- Convenience
-
- Automatic Mode
- Remote Start Compatibility
Accessories
- Filters
-
- Cabin Air Filter
- Pollen Filter
- Charcoal Filter
- Upgrades
-
- High-Performance Blower Motor
- Upgraded Condenser
- Heated Seats Integration
- Tools
-
- AC Recharge Kit
- Pressure Gauge Set
- Leak Detection Dye
Maintenance
- Service interval
- Every 12 months or 15,000 miles
- Service Items
-
- Inspect Refrigerant Levels
- Check Compressor Operation
- Clean Evaporator Core
- Replace Cabin Air Filter
- Inspect Blower Motor
- Test System Pressure
- Maintenance Notes
- Use only R134a refrigerant. Ensure proper system pressure during service.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Parts and Labor
- Powertrain
- Miles: 60,000Years: 5Coverage: Compressor and Condenser
- Corrosion
- Miles: 100,000Years: 7Coverage: Evaporator Core
- Emissions
- Miles: 80,000Years: 8Coverage: Refrigerant System
Production Details
- Manufacturer
- Denso Corporation
- Manufacturing Process
-
- Precision Casting
- Automated Assembly
- Quality Testing
- Quality Control
- Pressure Testing: 100% System Pressure CheckLeak Testing: Helium Leak DetectionPerformance Testing: Full Operational Simulation
- Sustainability Practices
-
- Recyclable Materials
- Low-Emission Manufacturing
- Energy-Efficient Production
- Production Metrics
- Units Per Day: 1,200Defect Rate: 0.02%Energy Usage: 15 kWh per unit
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Inspect Refrigerant Levels
- Check Compressor Operation
- Clean Evaporator Core
- Replace Cabin Air Filter
- Inspect Blower Motor
Ensure proper refrigerant type and pressure levels.
- Test System Pressure
- Inspect Condenser for Damage
- Check Electrical Connections
- Lubricate Moving Parts
- Inspect Air Ducts
Use specialized tools for pressure testing.
- Replace Refrigerant
- Inspect and Clean Condenser Core
- Check Heater Core Functionality
- Test Defrost System
- Inspect Control Panel Wiring
Major service requires professional equipment and expertise.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the HVAC system compatible with all 2002-2007 Jeep Liberty models?
Is the HVAC system compatible with all 2002-2007 Jeep Liberty models?
The HVAC system is designed to be compatible with all 2002-2007 Jeep Liberty models, including both 4x2 and 4x4 configurations. However, specific trims or optional packages may require slight modifications or additional components. Always verify your vehicle's VIN and consult the manufacturer's compatibility guide before purchasing or installing parts.
Q2 What are the maintenance requirements for the HVAC system?
What are the maintenance requirements for the HVAC system?
Regular maintenance for the HVAC system includes inspecting and replacing the cabin air filter every 12,000-15,000 miles, checking refrigerant levels annually, and ensuring the blower motor and condenser are free of debris. Additionally, inspect hoses and seals for leaks or wear. Adhering to this schedule ensures optimal performance and longevity of the system.
Q3 How do I replace the HVAC blower motor in a 2002-2007 Jeep Liberty?
How do I replace the HVAC blower motor in a 2002-2007 Jeep Liberty?
To replace the HVAC blower motor, first disconnect the negative battery terminal. Remove the glove box and locate the blower motor assembly. Disconnect the electrical connector and remove the mounting screws. Carefully extract the old motor, install the new one, and reassemble in reverse order. Test the system before finalizing the installation.
Q4 What should I do if my HVAC system is not blowing cold air?
What should I do if my HVAC system is not blowing cold air?
If your HVAC system is not blowing cold air, check the refrigerant levels and look for leaks in the system. Inspect the compressor clutch for engagement and ensure the condenser is not blocked. If these steps do not resolve the issue, test the blend door actuator and temperature control module for proper functionality.
Q5 How can I optimize the performance of my HVAC system?
How can I optimize the performance of my HVAC system?
To optimize HVAC performance, ensure the system is free of debris and the cabin air filter is clean. Use the recommended refrigerant type and maintain proper levels. Regularly inspect and clean the condenser and evaporator coils. Additionally, avoid overloading the system by using recirculation mode in extreme temperatures.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2002-2007 Jeep Liberty HVAC Service Manual
Coming SoonDetailed service manual covering HVAC system diagnostics, repair, and maintenance for 2002-2007 Jeep Liberty models.
Technical Service Bulletin: HVAC System Updates
Coming SoonLatest updates and fixes for common HVAC issues in 2002-2007 Jeep Liberty models, including part revisions and software updates.
Jeep Liberty HVAC Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket HVAC parts for 2002-2007 Jeep Liberty models, including part numbers and compatibility details.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
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
Warranty & Liability
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.