Dodge Ram 2500 2003-2009 HVAC Specifications
Explore the comprehensive HVAC specifications for the 2003-2009 Dodge RAM 2500. This guide covers system components, maintenance tips, and compatibility details to help you diagnose, repair, or upgrade your truck's climate control system.
Overview Specifications
This document provides detailed HVAC specifications for the 2003-2009 Dodge RAM-2500. It includes information on system components, performance metrics, maintenance tips, and troubleshooting guidance. Use this guide to understand the HVAC system's functionality, identify key components, and ensure optimal performance. The document is organized into sections for easy navigation, with quick reference tables for key specifications.
How to Use
Use the search function to locate specific terms or components within the document. Enter keywords like 'blower motor' or 'refrigerant capacity' to quickly find relevant information.
Navigate through the document using the table of contents or section headers. Each section is divided into subsections with detailed points for easy reference.
Key Specifications
Cooling Capacity
24,000 BTU/h
Refrigerant Type
R-134a
Refrigerant Capacity
24 oz
Airflow Rate
400 CFM
Blower Motor Voltage
12V DC
Available Specifications
HVAC System Components
This section outlines the primary components of the HVAC system in the 2003-2009 Dodge RAM-2500. It covers the blower motor, evaporator, condenser, and compressor, providing details on their functions and specifications.
HVAC System Components
This section outlines the primary components of the HVAC system in the 2003-2009 Dodge RAM-2500. It covers the blower motor, evaporator, condenser, and compressor, providing details on their functions and specifications.
Blower Motor
- 12V DC motor with variable speed control
- Located behind the dashboard
- Responsible for circulating air through the vents
- Common issues include motor failure or resistor problems
- Replacement requires dashboard disassembly
- Compatible with aftermarket upgrades
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
Performance Metrics
This section provides performance metrics for the HVAC system, including cooling capacity, airflow rates, and temperature control ranges. It also includes information on system efficiency and energy consumption.
Performance Metrics
This section provides performance metrics for the HVAC system, including cooling capacity, airflow rates, and temperature control ranges. It also includes information on system efficiency and energy consumption.
Cooling Capacity
- Maximum cooling capacity of 24,000 BTU/h
- Effective in temperatures up to 120°F
- Dual-zone climate control available in higher trims
- System designed for quick cabin cooling
- Refrigerant capacity: 24 oz of R-134a
- Performance may degrade with low refrigerant levels
Airflow Rates
- Maximum airflow rate of 400 CFM
- Adjustable through 4-speed blower settings
- Rear vents available in crew cab models
- Airflow direction adjustable via dashboard controls
- Defrost mode prioritizes windshield airflow
- Air recirculation mode improves cooling efficiency
Maintenance and Troubleshooting
This section offers maintenance tips and troubleshooting steps for common HVAC issues. It includes guidance on refrigerant recharge, filter replacement, and diagnosing system malfunctions.
Maintenance and Troubleshooting
This section offers maintenance tips and troubleshooting steps for common HVAC issues. It includes guidance on refrigerant recharge, filter replacement, and diagnosing system malfunctions.
Refrigerant Recharge
- Use only R-134a refrigerant
- Recommended pressure: 25-45 psi (low side)
- Overcharging can damage the compressor
- Recharge kits available for DIY maintenance
- Professional service recommended for leaks
- Check for refrigerant leaks annually
Filter Replacement
- Cabin air filter located behind the glove box
- Replace every 15,000-20,000 miles
- High-efficiency filters reduce allergens
- Clogged filters reduce airflow and efficiency
- Replacement takes approximately 10 minutes
- Aftermarket filters available for improved performance
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Component Specifications
Overview
- Type
- Manual and Automatic Climate Control
- Configuration
- Dual-Zone
- Platform
- Dodge RAM-2500
- Material
- Plastic and Aluminum
- Location
- Front Dashboard
Dimensions
- Unit Width
- 14.5 inches (368 mm)
- Unit Depth
- 6.3 inches (160 mm)
- Unit Height
- 8.7 inches (221 mm)
- Vent Diameter
- 2.4 inches (61 mm)
- Condenser Size
- 18 x 22 inches (457 x 559 mm)
- Evaporator Size
- 12 x 8 inches (305 x 203 mm)
- Compressor Size
- 6.3 x 4.7 inches (160 x 119 mm)
Materials
- Casing
- ABS Plastic
- Coils
- Aluminum
- Fins
- Coated Aluminum
- Refrigerant Lines
- Rubber and Aluminum
- Blower Motor
- Copper Windings
Features
- Climate Control
-
- Dual-Zone Temperature Control
- Automatic Temperature Regulation
- Manual Override
- Cabin Air Filtration
- Air Distribution
-
- 4-Way Dashboard Vents
- Floor Vents
- Defrost Vents
- Rear Ventilation
- Cooling
-
- High-Capacity Compressor
- Variable Speed Blower
- R134a Refrigerant
- Thermal Expansion Valve
- Heating
-
- High-Capacity Heater Core
- Engine Coolant Circulation
- Auxiliary Electric Heater
- Temperature Blend System
Safety Features
- Pressure Protection
-
- High-Pressure Cutoff Switch
- Low-Pressure Cutoff Switch
- Overheat Protection
-
- Thermal Fuse
- Coolant Temperature Sensor
- System Monitoring
-
- Refrigerant Level Sensor
- Blower Motor Overload Protection
Comfort Features
- Temperature Control
-
- Precise Temperature Adjustment
- Separate Driver/Passenger Controls
- Air Quality
-
- Cabin Air Filter
- Recirculation Mode
- Dehumidification Function
- Airflow Control
-
- Variable Fan Speeds
- Multi-Directional Vents
- Floor/Defrost Combination Modes
Accessories
- Optional Features
-
- Rear HVAC Controls
- Heated Seats Integration
- Remote Start Climate Control
- Replacement Parts
-
- Cabin Air Filters
- Blower Motor Assemblies
- HVAC Control Modules
- Maintenance Items
-
- Refrigerant Recharge Kit
- System Cleaner
- Leak Detection Dye
Maintenance
- Service interval
- 12 months or 15,000 miles
- Service Items
-
- Cabin Air Filter Replacement
- Refrigerant Level Check
- System Pressure Test
- Blower Motor Inspection
- Condenser Cleaning
- Maintenance Notes
- Use only R134a refrigerant, recommend professional servicing for complex repairs
Warranty
- Basic
- 3 years/36,000 miles
- Powertrain
- 5 years/60,000 miles
- Emissions
- 8 years/80,000 miles
- Corrosion
- 5 years/unlimited miles
- Warranty Terms
- Covers defects in materials and workmanship
Production Details
- Manufacturer
- Dodge/Chrysler Group
- Manufacturing Process
-
- Automated Assembly
- Pressure Testing
- Leak Detection
- Quality Control
- Pressure Test: 300 psiTemperature Test: -40°F to 200°FVibration Test: 50,000 cycles
- Sustainability Practices
-
- Recyclable Materials
- Low-Emission Manufacturing
- Energy-Efficient Design
- Production Metrics
- Units Per Day: 500Defect Rate: 0.5%Energy Usage: 15 kWh/unit
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Inspect and clean condenser
- Check refrigerant level
- Replace cabin air filter
- Inspect blower motor operation
- Check system pressures
Regular maintenance ensures optimal performance and longevity
- Perform system pressure test
- Inspect all hoses and connections
- Check compressor operation
- Test thermal expansion valve
- Verify temperature control accuracy
Professional diagnostic recommended for comprehensive system check
- Replace refrigerant
- Clean evaporator core
- Inspect and lubricate blower motor
- Check heater core operation
- Perform complete system flush
Major service interval - may require specialized equipment
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the HVAC system compatible with aftermarket parts for the 2003-2009 Dodge RAM-2500?
Is the HVAC system compatible with aftermarket parts for the 2003-2009 Dodge RAM-2500?
The HVAC system in the 2003-2009 Dodge RAM-2500 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 and fit. Aftermarket components like blower motors, condensers, and evaporators may require adjustments or additional hardware. Always consult the manufacturer's specifications before purchasing.
Q2 What are the maintenance requirements for the HVAC system in a 2003-2009 Dodge RAM-2500?
What are the maintenance requirements for the HVAC system in a 2003-2009 Dodge RAM-2500?
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. Lubricate moving parts as needed and inspect hoses for leaks. Seasonal checks are recommended to ensure optimal performance during extreme temperatures.
Q3 How do I replace the blower motor in a 2003-2009 Dodge RAM-2500?
How do I replace the blower motor in a 2003-2009 Dodge RAM-2500?
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 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 inspect for leaks. Ensure the compressor is engaging and the condenser is clean. Test the blower motor and thermostat for functionality. If issues persist, inspect the evaporator and expansion valve for blockages or malfunctions. Professional diagnostics may be required for complex issues.
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, regularly clean or replace the cabin air filter, ensure refrigerant levels are correct, and inspect the system for leaks. Use a sunshade to reduce cabin heat and park in shaded areas. Periodically clean the condenser and evaporator coils. Avoid overloading the system by setting the temperature to moderate levels.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2003-2009 Dodge RAM-2500 HVAC Service Manual
Coming SoonThis manual provides detailed instructions for servicing and repairing the HVAC system, including diagrams, part numbers, and troubleshooting steps.
Technical Service Bulletin: HVAC System Updates
Coming SoonThis bulletin outlines common issues and updates for the HVAC system in 2003-2009 Dodge RAM-2500 models, including recommended fixes and part replacements.
Dodge RAM-2500 HVAC Parts Catalog
Coming SoonA comprehensive catalog of OEM and aftermarket HVAC parts for the 2003-2009 Dodge RAM-2500, including compatibility details and pricing.
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