Dodge Durango 1998-2003 HVAC Specifications
Explore detailed HVAC system specifications for the 1998-2003 Dodge Durango. Learn about components, maintenance, and repair tips to ensure optimal performance and comfort.
Overview Specifications
This document provides detailed specifications and technical information about the HVAC (Heating, Ventilation, and Air Conditioning) system for the 1998-2003 Dodge Durango. It is designed to assist owners, mechanics, and enthusiasts in understanding the system's components, functionality, and maintenance requirements. Use this guide to locate specific details about the HVAC system, troubleshoot issues, and ensure optimal performance.
How to Use
Use the search functionality to quickly locate specific terms or components within the document. Enter keywords such as 'blower motor' or 'refrigerant type' to find relevant sections.
Navigate through the document using the section titles and subsections. Each major section is organized by topic, and subsections provide detailed technical points for easy reference.
Key Specifications
Refrigerant Type
R-134a
Blower Motor Voltage
12V DC
Cabin Air Filter Size
9.5 x 7.5 x 0.75 inches
Compressor Type
Rotary Vane
Airflow Capacity
250-300 CFM
Available Specifications
HVAC System Components
This section outlines the primary components of the HVAC system in the 1998-2003 Dodge Durango. 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 1998-2003 Dodge Durango. It includes details about the blower motor, evaporator, condenser, and other critical parts that ensure proper heating and cooling functionality.
Blower Motor and Fan Assembly
- 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 excessive noise
Evaporator and Condenser
- Evaporator located inside the HVAC housing
- Condenser mounted in front of the radiator
- Both components use R-134a refrigerant
- Ensure proper refrigerant levels for optimal cooling
HVAC Controls and Operation
This section explains the controls and operational features of the HVAC system. It covers the dashboard controls, temperature regulation, and air distribution settings available in the Dodge Durango.
HVAC Controls and Operation
This section explains the controls and operational features of the HVAC system. It covers the dashboard controls, temperature regulation, and air distribution settings available in the Dodge Durango.
Dashboard Controls
- Manual rotary knobs for temperature and fan speed
- Dual-zone climate control available in higher trims
- Defrost and rear window defogger controls
- Air recirculation button for improved cooling efficiency
Air Distribution
- Multiple vent modes: face, floor, and defrost
- Adjustable side vents for directional airflow
- Rear passenger vents for additional comfort
- Automatic air recirculation in high humidity
Maintenance and Troubleshooting
This section provides guidance on maintaining the HVAC system and troubleshooting common issues. It includes tips for replacing filters, checking refrigerant levels, and diagnosing problems.
Maintenance and Troubleshooting
This section provides guidance on maintaining the HVAC system and troubleshooting common issues. It includes tips for replacing filters, checking refrigerant levels, and diagnosing problems.
Cabin Air Filter Replacement
- Located behind the glove compartment
- Replace every 15,000-20,000 miles
- Use OEM or compatible aftermarket filters
- Improves air quality and system efficiency
Common Issues and Solutions
- Weak airflow: Check blower motor and cabin filter
- No cooling: Inspect refrigerant levels and compressor
- Unusual noises: Examine blower fan and motor
- Foul odors: Clean evaporator and replace filter
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Component Specifications
Overview
- Type
- Automatic Climate Control System
- Configuration
- Dual-Zone Front HVAC
- Platform
- Integrated with Vehicle Electrical System
- Material
- Plastic, Aluminum, and Rubber Components
- Location
- Dashboard and Engine Compartment
Dimensions
- Evaporator Core Length
- 12.5 inches (317.5 mm)
- Evaporator Core Width
- 8.2 inches (208.3 mm)
- Heater Core Length
- 10.8 inches (274.3 mm)
- Heater Core Width
- 6.5 inches (165.1 mm)
- Blower Motor Diameter
- 5.9 inches (150 mm)
- Compressor Length
- 7.1 inches (180.3 mm)
- Compressor Width
- 4.7 inches (119.4 mm)
- Condenser Thickness
- 0.8 inches (20.3 mm)
Materials
- Evaporator Core
- Aluminum
- Heater Core
- Aluminum and Copper
- Blower Motor
- Plastic Housing with Steel Components
- Compressor
- Aluminum Alloy
- Hoses
- Reinforced Rubber
Features
- Climate Control
-
- Dual-Zone Temperature Adjustment
- Automatic Temperature Regulation
- Rear Defrost Function
- Cabin Air Filter
- Air Distribution
-
- Front and Rear Vents
- Adjustable Airflow Direction
- Recirculation Mode
- Defrost Mode
- Cooling
-
- R134a Refrigerant
- High-Efficiency Compressor
- Variable Blower Speeds
- Evaporator Core with Frost Protection
- Heating
-
- High-Capacity Heater Core
- Adjustable Heat Levels
- Quick Warm-Up Function
- Defrost Priority Mode
- Controls
-
- Digital Temperature Display
- Rotary Dials for Fan Speed
- Mode Selection Buttons
- A/C On/Off Switch
Safety Features
- Overheat Protection
-
- High-Temperature Cutoff Switch
- Thermal Fuse in Heater Core
- Refrigerant Safety
-
- Pressure Relief Valve
- Low Refrigerant Sensor
- Electrical Safety
-
- Fused Blower Motor Circuit
- Short-Circuit Protection
Comfort Features
- Temperature Control
-
- Precise Dual-Zone Adjustment
- Automatic Climate Maintenance
- Air Quality
-
- Cabin Air Filter
- Recirculation Mode
- Noise Reduction
-
- Quiet Blower Motor
- Insulated Ductwork
- Convenience
-
- Easy-to-Use Controls
- Quick Defrost Function
Accessories
- Filters
-
- Cabin Air Filter
- Pollen Filter
- Charcoal Filter
- Hoses
-
- Refrigerant Hoses
- Heater Core Hoses
- Vacuum Hoses
- Sensors
-
- Temperature Sensor
- Pressure Sensor
- Humidity Sensor
Maintenance
- Service interval
- Every 12 months or 12,000 miles
- Service Items
-
- Inspect Refrigerant Levels
- Check Blower Motor Function
- Replace Cabin Air Filter
- Inspect Heater Core for Leaks
- Test Compressor Operation
- Clean Evaporator Core
- Maintenance Notes
- Use only R134a refrigerant. Ensure proper vacuuming during refrigerant recharge.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Parts and Labor
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Compressor and Related Components
- Corrosion Warranty
- Miles: 100,000Years: 7Coverage: Heater Core and Evaporator Core
- Emissions Warranty
- Miles: 50,000Years: 4Coverage: Refrigerant System Components
Production Details
- Manufacturer
- Dodge
- Manufacturing Process
-
- Robotic Assembly
- Precision Welding
- Leak Testing
- Quality Control
- Pressure Testing: 100% of UnitsElectrical Testing: 100% of UnitsPerformance Testing: Sample Testing
- Sustainability Practices
-
- Recyclable Materials
- Low-Emission Refrigerant
- Energy-Efficient Production
- Production Metrics
- Units Per Day: 500Defect Rate: 0.5%Lead Time: 2 Weeks
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Inspect Refrigerant Levels
- Check Blower Motor Operation
- Replace Cabin Air Filter
- Inspect Heater Core for Leaks
- Test Compressor Functionality
Ensure proper refrigerant type (R134a) is used.
- Clean Evaporator Core
- Inspect Hoses for Wear
- Check Electrical Connections
- Test Temperature Sensors
- Verify Airflow Distribution
Use diagnostic tools for electrical system checks.
- Replace Refrigerant
- Inspect Compressor Clutch
- Check Condenser for Damage
- Test Pressure Relief Valve
- Perform System Leak Test
Major service requires specialized equipment and training.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the HVAC system compatible with aftermarket parts for the 1998-2003 Dodge Durango?
Is the HVAC system compatible with aftermarket parts for the 1998-2003 Dodge Durango?
The HVAC system in the 1998-2003 Dodge Durango is compatible with select aftermarket parts, but it is crucial to verify compatibility with your specific model year. OEM parts are recommended for optimal performance. Aftermarket components like blower motors, condensers, and evaporators must meet OEM specifications to ensure proper fit and functionality. Always cross-reference part numbers with trusted suppliers or consult a professional technician.
Q2 What are the maintenance requirements for the HVAC system in a 1998-2003 Dodge Durango?
What are the maintenance requirements for the HVAC system in a 1998-2003 Dodge Durango?
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. Inspect hoses and seals for leaks, and clean the evaporator core to prevent mold buildup. A professional inspection every 2-3 years is recommended to maintain system efficiency and longevity.
Q3 How do I replace the blower motor in a 1998-2003 Dodge Durango?
How do I replace the blower motor in a 1998-2003 Dodge Durango?
To replace the blower motor, disconnect the battery, remove the glove box, and locate the blower motor housing. Disconnect the electrical connector and remove the mounting screws. Carefully extract the old motor and install the new one, ensuring proper alignment. Reconnect the electrical connector and reassemble the glove box. Test the system to confirm proper operation. Refer to the service manual for detailed instructions.
Q4 Why is my HVAC system blowing warm air in my 1998-2003 Dodge Durango?
Why is my HVAC system blowing warm air in my 1998-2003 Dodge Durango?
Warm air from the HVAC system may indicate low refrigerant levels, a faulty compressor, or a clogged condenser. Check refrigerant levels and inspect for leaks. Test the compressor clutch for engagement and ensure the condenser is free of debris. If the issue persists, inspect the blend door actuator and temperature control system. Professional diagnostics may be required for complex issues.
Q5 How can I optimize the performance of my HVAC system in a 1998-2003 Dodge Durango?
How can I optimize the performance of my HVAC system in a 1998-2003 Dodge Durango?
To optimize HVAC performance, ensure the system is free of leaks and debris. Use high-quality refrigerant and replace worn components like the blower motor and cabin air filter. Regularly clean the condenser and evaporator core. Adjust the thermostat settings for efficient operation and avoid overloading the system. Periodic professional servicing can enhance performance and extend the system's lifespan.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1998-2003 Dodge Durango HVAC Service Manual
Coming SoonComprehensive guide covering HVAC system diagnostics, repair, and maintenance for the 1998-2003 Dodge Durango.
Technical Service Bulletin: HVAC System Updates
Coming SoonOfficial bulletin detailing updates and fixes for common HVAC issues in the 1998-2003 Dodge Durango.
Dodge Durango HVAC Parts Catalog
Coming SoonCatalog listing OEM and compatible aftermarket HVAC parts for the 1998-2003 Dodge Durango.
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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.
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