Dodge Challenger 1978-1983 HVAC Specifications
Explore detailed HVAC specifications for the 1978-1983 Dodge Challenger, including system components, refrigerant types, and control mechanisms. Ideal for maintenance, repair, and restoration projects.
Overview Specifications
This document provides detailed HVAC specifications for the 1978-1983 Dodge Challenger. It includes information on heating, ventilation, and air conditioning systems, as well as maintenance tips and troubleshooting guidance. Use this guide to understand the technical aspects of the HVAC system, locate specific components, and ensure optimal performance. The document is organized into sections for easy navigation and includes a quick reference table for key specifications.
How to Use
Use the search function to quickly locate specific terms or components within the document. Enter keywords related to the HVAC system, such as 'blower motor' or 'evaporator core,' to find relevant information.
Navigate through the document using the table of contents or section headings. Each section is divided into subsections with detailed points for easy reference. Use the quick reference table for a summary of key specifications.
Key Specifications
Heater Core Size
12 x 6 inches
Blower Motor Voltage
12V
Compressor Type
Piston
Refrigerant Type
R-12
Ventilation Duct Diameter
2.5 inches
Available Specifications
Heating System
This section covers the heating system components and their functions in the 1978-1983 Dodge Challenger. Learn about the heater core, blower motor, and controls, as well as common issues and maintenance tips.
Heating System
This section covers the heating system components and their functions in the 1978-1983 Dodge Challenger. Learn about the heater core, blower motor, and controls, as well as common issues and maintenance tips.
Heater Core
- Located behind the dashboard
- Transfers heat from engine coolant to the cabin
- Made of aluminum or copper for efficient heat transfer
- Common issues include leaks and clogging
- Regular flushing recommended for maintenance
- Replacement requires dashboard removal
Blower Motor
- Responsible for circulating air through the HVAC system
- Located under the dashboard on the passenger side
- Powered by a 12V electrical system
- Common issues include motor failure and resistor problems
- Lubrication and cleaning can extend lifespan
- Replacement involves removing the glove box
Air Conditioning System
This section details the air conditioning system, including the compressor, evaporator, and refrigerant. It also provides troubleshooting tips for common AC issues.
Air Conditioning System
This section details the air conditioning system, including the compressor, evaporator, and refrigerant. It also provides troubleshooting tips for common AC issues.
Compressor
- Driven by the engine via a belt
- Compresses refrigerant to cool the air
- Common issues include clutch failure and leaks
- Regular inspection of belts and hoses recommended
- Replacement requires specialized tools
- Uses R-12 refrigerant (Freon)
Evaporator Core
- Located inside the HVAC housing
- Absorbs heat from the cabin air
- Made of aluminum for efficient cooling
- Common issues include freezing and clogging
- Regular cleaning prevents mold and odors
- Replacement requires disassembling the dashboard
Ventilation System
This section explains the ventilation system, including ductwork, vents, and controls. Learn how to maintain proper airflow and troubleshoot ventilation issues.
Ventilation System
This section explains the ventilation system, including ductwork, vents, and controls. Learn how to maintain proper airflow and troubleshoot ventilation issues.
Ductwork
- Distributes air throughout the cabin
- Made of durable plastic or rubber
- Common issues include cracks and blockages
- Regular inspection for leaks and damage
- Cleaning prevents dust buildup
- Replacement involves removing interior panels
Vents and Controls
- Adjustable vents direct airflow
- Controls include knobs and levers for temperature and fan speed
- Common issues include stuck controls and broken knobs
- Lubrication of control cables recommended
- Replacement parts available for most models
- Proper alignment ensures smooth operation
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Component Specifications
Overview
- Type
- Manual Climate Control
- Configuration
- Single-zone
- Platform
- RWD (Rear Wheel Drive)
- Material
- Steel and Plastic
- Location
- Dashboard Center
Dimensions
- Unit Width
- 18.5 inches (47 cm)
- Unit Height
- 6.2 inches (15.7 cm)
- Unit Depth
- 8.7 inches (22.1 cm)
- Vent Diameter
- 2.5 inches (6.35 cm)
- Blower Motor Diameter
- 5.9 inches (15 cm)
- Heater Core Length
- 12.6 inches (32 cm)
- Evaporator Core Length
- 10.2 inches (26 cm)
Materials
- Housing
- Galvanized Steel
- Vents
- ABS Plastic
- Blower Motor
- Aluminum and Copper
- Heater Core
- Copper and Brass
- Evaporator Core
- Aluminum
Features
- Climate Control
-
- Manual Temperature Adjustment
- Three-Speed Blower Fan
- Defrost Mode
- Vent Mode
- Air Distribution
-
- Dashboard Vents
- Floor Vents
- Defrost Vents
- Heating
-
- Hot Water Heater Core
- Manual Heat Control
- Defrost Heating
- Cooling
-
- Refrigerant-Based Cooling
- Manual AC Control
- Evaporator Core
- Filtration
-
- Basic Air Filter
- Cabin Air Recirculation
Safety Features
- Overheat Protection
-
- Thermal Fuse
- High-Temperature Cutoff
- Electrical Safety
-
- Fused Circuit
- Ground Fault Protection
- Mechanical Safety
-
- Blower Motor Overload Protection
- Fan Blade Guard
Comfort Features
- Temperature Control
-
- Manual Dial Adjustment
- Three-Speed Fan Control
- Airflow Direction
-
- Adjustable Dashboard Vents
- Floor and Defrost Options
- Noise Reduction
-
- Insulated Housing
- Balanced Blower Fan
- Air Quality
-
- Basic Air Filtration
- Cabin Air Recirculation
Accessories
- Replacement Parts
-
- Heater Core
- Evaporator Core
- Blower Motor
- Air Filter
- Upgrades
-
- High-Capacity Blower Motor
- Upgraded Air Filter
- Aftermarket AC Compressor
- Tools
-
- AC Manifold Gauge Set
- Vacuum Pump
- Refrigerant Charging Kit
Maintenance
- Service interval
- Every 12,000 miles or 12 months
- Service Items
-
- Inspect and Replace Air Filter
- Check Refrigerant Levels
- Inspect Blower Motor
- Test Heater Core Functionality
- Clean Evaporator Core
- Inspect Electrical Connections
- Maintenance Notes
- Ensure refrigerant levels are within manufacturer specifications. Use only compatible refrigerants.
Warranty
- Basic Warranty
- Miles: 36,000 milesYears: 3 yearsCoverage: Parts and Labor
- Powertrain Warranty
- Miles: 50,000 milesYears: 5 yearsCoverage: Blower Motor and Heater Core
- Corrosion Warranty
- Miles: 100,000 milesYears: 10 yearsCoverage: Housing and Vents
- Emissions Warranty
- Miles: 50,000 milesYears: 5 yearsCoverage: AC System Components
Production Details
- Manufacturer
- Chrysler Corporation
- Manufacturing Process
-
- Stamped Steel Housing
- Plastic Injection Molding
- Copper Brazing for Cores
- Motor Assembly
- Quality Control
- Pressure Testing: Heater and Evaporator CoresElectrical Testing: Blower MotorLeak Testing: AC System
- Sustainability Practices
-
- Recyclable Materials
- Energy-Efficient Manufacturing
- Production Metrics
- Units Per Year: Approximately 50,000Defect Rate: Less than 1%
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Inspect and Replace Air Filter
- Check Refrigerant Levels
- Inspect Blower Motor
- Test Heater Core Functionality
- Clean Evaporator Core
Ensure refrigerant levels are within manufacturer specifications.
- Inspect and Replace Air Filter
- Check Electrical Connections
- Test AC Compressor
- Inspect Heater Core for Leaks
- Clean Blower Fan
Use a vacuum pump to remove moisture from the AC system.
- Replace Heater Core if Necessary
- Replace Evaporator Core if Necessary
- Inspect and Replace Blower Motor
- Flush AC System
- Recharge Refrigerant
Major service may require specialized tools and equipment.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the compatibility specifications for the HVAC system in 1978-1983 Dodge Challenger?
What are the compatibility specifications for the HVAC system in 1978-1983 Dodge Challenger?
The HVAC system in 1978-1983 Dodge Challenger models is compatible with factory-installed components, including the heater core, blower motor, and A/C compressor. It uses R-12 refrigerant, which can be retrofitted to R-134a with appropriate conversion kits. Ensure compatibility with your specific model year and trim, as variations exist between base and high-performance versions.
Q2 What are the maintenance requirements for the HVAC system in these models?
What are the maintenance requirements for the HVAC system in these models?
Regular maintenance includes inspecting and replacing the cabin air filter (if equipped), checking refrigerant levels, and ensuring the blower motor and heater core are functioning properly. Lubricate moving parts annually and inspect hoses for leaks. For A/C systems, recharge refrigerant as needed and check compressor operation. Replace worn belts and seals to maintain optimal performance.
Q3 How do I install or replace the HVAC system components?
How do I install or replace the HVAC system components?
To replace the HVAC system, start by disconnecting the battery. Remove the dashboard to access the heater core and blower motor. For A/C components, evacuate the refrigerant, disconnect lines, and replace the compressor or condenser. Reassemble in reverse order, ensuring all connections are secure. Refill refrigerant and test the system for leaks and proper operation.
Q4 What are common troubleshooting steps for HVAC issues?
What are common troubleshooting steps for HVAC issues?
If the HVAC system fails, check the fuse box for blown fuses. Inspect the blower motor for power and ground connections. Test the heater core for blockages and the A/C compressor for proper engagement. Use a multimeter to diagnose electrical issues and a pressure gauge to check refrigerant levels. Common solutions include replacing faulty relays, switches, or leaking hoses.
Q5 How can I optimize the performance of my HVAC system?
How can I optimize the performance of my HVAC system?
To optimize performance, ensure the system is free of debris and leaks. Use high-quality refrigerant and lubricants. Upgrade to a modern blower motor for better airflow. Regularly clean the evaporator and condenser coils. Consider retrofitting to R-134a for improved efficiency. Properly insulate ductwork to minimize heat loss and ensure the thermostat is calibrated correctly.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1978-1983 Dodge Challenger Service Manual
Coming SoonComprehensive guide covering HVAC system maintenance, repair, and troubleshooting for 1978-1983 Dodge Challenger models.
HVAC System Technical Service Bulletin
Coming SoonTechnical updates and fixes for common HVAC issues in 1978-1983 Dodge Challenger models.
Dodge Challenger Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket HVAC components for 1978-1983 Dodge Challenger models.
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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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