Dodge Ram 3500 1994-2002 HVAC Specifications
Explore detailed HVAC specifications for the 1994-2002 Dodge RAM-3500, including refrigerant type, compressor details, and blower motor specs. Ideal for maintenance, repair, and upgrades.
Overview Specifications
This document provides detailed HVAC specifications for the 1994-2002 Dodge RAM-3500. It includes information on the heating, ventilation, and air conditioning systems, their components, and maintenance tips. The guide is structured to help users quickly find relevant information, whether for repairs, upgrades, or general knowledge. Use the search and navigation instructions to efficiently locate the information you need.
How to Use
Use the search function by entering keywords related to your HVAC query. This will highlight relevant sections and subsections. Keywords like 'blower motor', 'refrigerant', or 'temperature control' will yield specific results.
Navigate through the document using the section titles and subsections. Each major section is dedicated to a specific aspect of the HVAC system, making it easier to find detailed information quickly.
Key Specifications
Heater Core Size
12 x 6 inches
Blower Motor Power
200 W
Refrigerant Type
R-134a
Compressor Displacement
150 cc
Airflow Capacity
400 CFM
Available Specifications
Heating System
This section covers the heating components of the Dodge RAM-3500, including the heater core, blower motor, and control mechanisms. It provides maintenance tips and troubleshooting advice for common heating issues.
Heating System
This section covers the heating components of the Dodge RAM-3500, including the heater core, blower motor, and control mechanisms. It provides maintenance tips and troubleshooting advice for common heating issues.
Heater Core
- Located behind the dashboard
- Responsible for transferring heat from engine coolant to the cabin
- Common issues include leaks and clogs
- Replacement requires dashboard removal
Blower Motor
- Located under the dashboard on the passenger side
- Controls the speed of air flow
- Symptoms of failure include weak airflow and unusual noises
- Replacement involves removing the glove box
Temperature Control
- Managed by a blend door mechanism
- Controlled via a manual or automatic system
- Common issues include stuck blend doors
- Repair may require accessing the HVAC control panel
Air Conditioning System
This section details the air conditioning components, including the compressor, condenser, and refrigerant. It includes maintenance guidelines and troubleshooting for AC performance issues.
Air Conditioning System
This section details the air conditioning components, including the compressor, condenser, and refrigerant. It includes maintenance guidelines and troubleshooting for AC performance issues.
Compressor
- Located at the front of the engine
- Responsible for circulating refrigerant
- Symptoms of failure include lack of cooling and unusual noises
- Replacement involves evacuating the refrigerant system
Condenser
- Located in front of the radiator
- Cools the refrigerant before it enters the evaporator
- Common issues include leaks and blockages
- Replacement requires removing the front grille
Refrigerant
- Uses R-134a refrigerant
- Proper charge level is crucial for performance
- Overcharging can damage the system
- Refilling requires specialized equipment
Ventilation System
This section explains the ventilation system, focusing on the ductwork, vents, and air distribution. It provides tips for maintaining airflow and addressing common ventilation problems.
Ventilation System
This section explains the ventilation system, focusing on the ductwork, vents, and air distribution. It provides tips for maintaining airflow and addressing common ventilation problems.
Ductwork
- Distributes air throughout the cabin
- Made of durable plastic and rubber materials
- Common issues include leaks and blockages
- Regular inspection helps maintain efficiency
Vents
- Located on the dashboard and floor
- Adjustable for direction and intensity of airflow
- Common issues include stuck or broken louvers
- Cleaning prevents dust buildup
Air Distribution
- Controlled by the mode door mechanism
- Options include defrost, vent, and floor modes
- Common issues include stuck mode doors
- Repair may require accessing the HVAC control panel
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Component Specifications
Overview
- Type
- Air Conditioning and Heating System
- Configuration
- Dual-Zone Manual Control
- Platform
- Dodge RAM-3500
- Material
- Plastic and Metal Composite
- Location
- Dashboard and Engine Bay
Dimensions
- Evaporator Core Length
- 12.5 inches / 31.75 cm
- Evaporator Core Width
- 8.2 inches / 20.83 cm
- Evaporator Core Height
- 3.1 inches / 7.87 cm
- Heater Core Length
- 10.8 inches / 27.43 cm
- Heater Core Width
- 6.3 inches / 16 cm
- Heater Core Height
- 2.5 inches / 6.35 cm
- Blower Motor Diameter
- 6.7 inches / 17 cm
Materials
- Evaporator Core
- Aluminum
- Heater Core
- Copper-Brass
- Blower Motor
- Plastic and Steel
- Ducting
- Polypropylene
Features
- Climate Control
-
- Manual Temperature Control
- Dual-Zone Air Distribution
- Defrost Mode
- Recirculation Mode
- Airflow
-
- Adjustable Fan Speeds
- Multi-Level Ventilation
- Floor and Dash Vents
- Heating
-
- High-Capacity Heater Core
- Quick Warm-Up
- Adjustable Heat Levels
- Cooling
-
- Efficient Evaporator Core
- R-134a Refrigerant
- High-Pressure Compressor
- Filtration
-
- Cabin Air Filter
- Dust and Pollen Filter
- Optional Activated Carbon Filter
Safety Features
- Overheat Protection
-
- Thermal Fuse
- High-Temperature Cutoff
- Pressure Control
-
- High-Pressure Switch
- Low-Pressure Switch
- Electrical Safety
-
- Fuse Protection
- Ground Fault Detection
Comfort Features
- Air Distribution
-
- Adjustable Vents
- Floor and Dash Airflow
- Defrost and Footwell Modes
- Temperature Control
-
- Manual Dial Adjustment
- Dual-Zone Settings
- Quick Response
- Noise Reduction
-
- Insulated Ducting
- Quiet Blower Motor
- Low Vibration Design
- Air Quality
-
- Cabin Air Filter
- Recirculation Mode
- Optional Air Freshener
Accessories
- Filters
-
- Standard Cabin Air Filter
- Activated Carbon Filter
- High-Efficiency Particulate Filter
- Controls
-
- Manual Control Panel
- Blower Speed Switch
- Temperature Dial
- Components
-
- Blower Motor
- Evaporator Core
- Heater Core
Maintenance
- Service interval
- Every 12 months or 12,000 miles
- Service Items
-
- Inspect and Replace Cabin Air Filter
- Check Refrigerant Levels
- Inspect Blower Motor
- Clean Evaporator Drain
- Inspect Heater Core
- Maintenance Notes
- Ensure refrigerant is topped up to manufacturer specifications. Inspect for leaks in the AC system.
Warranty
- Basic Warranty
- Years: 3Miles: 36000Coverage: Parts and Labor
- Powertrain Warranty
- Years: 5Miles: 60000Coverage: Compressor and Heater Core
- Corrosion Warranty
- Years: 5Miles: 100000Coverage: Rust Perforation
- Emissions Warranty
- Years: 8Miles: 80000Coverage: Refrigerant System
Production Details
- Manufacturer
- Chrysler Corporation
- Manufacturing Process
-
- Injection Molding for Plastic Components
- Brazing for Heater Core
- Assembly Line Integration
- Quality Control
- Pressure Testing: AC SystemLeak Detection: Evaporator and Heater CoresPerformance Testing: Blower Motor
- Sustainability Practices
-
- Recyclable Materials
- Low-Emission Manufacturing
- Energy-Efficient Production
- Production Metrics
- Units Per Year: 150000Defect Rate: 0.5%
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Inspect and Replace Cabin Air Filter
- Check Refrigerant Levels
- Inspect Blower Motor Operation
- Clean Evaporator Drain
- Inspect Heater Core for Leaks
Ensure refrigerant is at the correct level to maintain system efficiency.
- Perform AC System Pressure Test
- Inspect Compressor and Belts
- Check for Refrigerant Leaks
- Test Heater Core Performance
- Verify Blower Motor Speed Settings
Use a refrigerant leak detector for accurate results.
- Replace Cabin Air Filter
- Flush and Recharge AC System
- Inspect and Replace Heater Core if Necessary
- Check and Replace Blower Motor if Needed
- Perform Full System Diagnostics
Major service may require specialized tools and equipment.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the HVAC system in the 1994-2002 Dodge RAM-3500 compatible with aftermarket parts?
Is the HVAC system in the 1994-2002 Dodge RAM-3500 compatible with aftermarket parts?
The HVAC system in the 1994-2002 Dodge RAM-3500 is designed to work with OEM parts, but many aftermarket components are compatible. Always verify compatibility by checking part numbers and specifications, as some aftermarket parts may require slight modifications or adapters for proper installation and functionality.
Q2 What are the maintenance requirements for the HVAC system in the RAM-3500?
What are the maintenance requirements for the HVAC system in the RAM-3500?
Regular maintenance for the HVAC system includes checking and replacing the cabin air filter every 12,000-15,000 miles, inspecting refrigerant levels annually, and ensuring the blower motor and vents are clean. Additionally, inspect belts and hoses for wear and tear, and flush the heater core if necessary to maintain optimal performance.
Q3 How do I replace the HVAC blower motor in my RAM-3500?
How do I replace the HVAC blower motor in my RAM-3500?
To replace the blower motor, disconnect the battery, remove the glove box or access panel, unplug the electrical connector, and unscrew the mounting bolts. Remove the old motor, install the new one, and reassemble the components. Test the system before finalizing the installation to ensure proper operation.
Q4 Why is my HVAC system blowing warm air instead of cold?
Why is my HVAC system blowing warm air instead of cold?
If your HVAC system blows warm air, check the refrigerant levels and look for leaks. Inspect the compressor clutch for engagement and ensure the condenser and evaporator are functioning properly. A faulty blend door or thermostat could also cause this issue. Diagnose step-by-step to identify and resolve the root cause.
Q5 How can I optimize the performance of my RAM-3500’s HVAC system?
How can I optimize the performance of my RAM-3500’s HVAC system?
To optimize HVAC performance, clean the condenser and evaporator coils regularly, ensure proper refrigerant levels, and replace worn-out components like belts and hoses. Use high-quality cabin air filters and check for air leaks in the ductwork. Regular system diagnostics can also help maintain efficiency and longevity.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1994-2002 Dodge RAM-3500 HVAC Service Manual
Coming SoonDetailed service manual covering HVAC system diagnostics, repair, and maintenance for the RAM-3500.
Technical Service Bulletin: HVAC System Updates
Coming SoonTSB outlining common issues, updates, and fixes for the RAM-3500 HVAC system.
Dodge RAM-3500 HVAC Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket HVAC parts for the RAM-3500.
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Technical Information
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