Cadillac DeVille 1994-1999 HVAC Specifications
Explore the detailed HVAC specifications for the 1994-1999 Cadillac DeVille, including refrigerant type, compressor details, and blower motor ratings. Ideal for maintenance, repair, and system upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the HVAC (Heating, Ventilation, and Air Conditioning) system for the 1994-1999 Cadillac DeVille. It includes system components, operational features, and maintenance guidelines. Use this resource to understand the HVAC system's functionality, troubleshoot issues, and ensure optimal performance. The document is organized into sections for easy navigation, with subsections offering in-depth details.
How to Use
Use the search functionality to find specific terms or components within the document. Enter keywords related to the HVAC system, such as 'blower motor' or 'climate control,' to quickly locate relevant information.
Navigate through the document by scrolling through sections and subsections. Each major section is labeled with a title and description, allowing you to identify the content you need. Use the quick reference table for key specifications at a glance.
Key Specifications
Blower Motor Power
12V DC
Refrigerant Type
R-134a
Cabin Air Filter Life
12,000-15,000 miles
Compressor Type
Rotary Vane
Temperature Range
60°F - 90°F
Available Specifications
HVAC System Components
This section outlines the main components of the HVAC system in the 1994-1999 Cadillac DeVille. It includes details about the blower motor, evaporator, condenser, and climate control module, providing insights into their roles and functionalities.
HVAC System Components
This section outlines the main components of the HVAC system in the 1994-1999 Cadillac DeVille. It includes details about the blower motor, evaporator, condenser, and climate control module, providing insights into their roles and functionalities.
Blower Motor
- Located in the HVAC housing assembly
- Responsible for circulating air through the vents
- Operates at multiple speed settings
- Controlled by the climate control module
- May require replacement due to wear or failure
- Check for debris or obstructions if airflow is reduced
Evaporator and Condenser
- Evaporator cools air before it enters the cabin
- Condenser dissipates heat from the refrigerant
- Both components are part of the refrigerant cycle
- Regular cleaning prevents efficiency loss
- Inspect for leaks or damage periodically
- Replace if corrosion or blockages are detected
Climate Control Features
This section explores the climate control features available in the 1994-1999 Cadillac DeVille. It covers automatic temperature control, dual-zone settings, and air distribution options, ensuring a comfortable driving experience.
Climate Control Features
This section explores the climate control features available in the 1994-1999 Cadillac DeVille. It covers automatic temperature control, dual-zone settings, and air distribution options, ensuring a comfortable driving experience.
Automatic Temperature Control
- Maintains set cabin temperature automatically
- Uses sensors to monitor interior and exterior conditions
- Adjusts blower speed and air mix as needed
- Provides consistent comfort without manual adjustments
- May require recalibration if inaccurate
- Check for sensor malfunctions if issues arise
Dual-Zone Climate Control
- Allows separate temperature settings for driver and passenger
- Uses independent vents and controls
- Enhances comfort for all occupants
- Requires proper calibration for accurate operation
- Inspect for blocked vents or control issues
- Ensure both zones are functioning correctly
Maintenance and Troubleshooting
This section provides guidelines for maintaining and troubleshooting the HVAC system in the 1994-1999 Cadillac DeVille. It includes tips for routine checks, common issues, and solutions to ensure long-term reliability.
Maintenance and Troubleshooting
This section provides guidelines for maintaining and troubleshooting the HVAC system in the 1994-1999 Cadillac DeVille. It includes tips for routine checks, common issues, and solutions to ensure long-term reliability.
Routine Maintenance
- Replace cabin air filter every 12,000-15,000 miles
- Inspect refrigerant levels annually
- Check for leaks in the refrigerant system
- Clean evaporator and condenser coils regularly
- Lubricate blower motor bearings if applicable
- Ensure all vents are unobstructed
Common Issues and Solutions
- Weak airflow: Check blower motor and filter
- No cold air: Inspect refrigerant levels and compressor
- Unusual noises: Examine blower motor and fan
- Climate control unresponsive: Check fuses and wiring
- Inconsistent temperature: Calibrate sensors and controls
- Foul odors: Clean evaporator and replace filter
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
- GM C-Body
- Material
- Plastic and Aluminum
- Location
- Dashboard Center
Dimensions
- Unit Width
- 12.5 inches
- Unit Width Metric
- 31.75 cm
- Unit Height
- 6.2 inches
- Unit Height Metric
- 15.75 cm
- Unit Depth
- 8.1 inches
- Unit Depth Metric
- 20.57 cm
- Duct Diameter
- 3.5 inches
- Duct Diameter Metric
- 8.89 cm
Materials
- Housing
- ABS Plastic
- Evaporator
- Aluminum
- Condenser
- Aluminum
- Blower Motor
- Steel and Copper
Features
- Climate Control
-
- Automatic Temperature Regulation
- Dual-Zone Control
- Rear Defogger
- Air Quality Sensor
- Air Distribution
-
- Multi-Level Airflow
- Adjustable Vents
- Recirculation Mode
- Defrost Mode
- User interface
-
- Digital Display
- Rotary Controls
- Push-Button Settings
- Memory Function
- Performance
-
- High-Efficiency Compressor
- Variable Speed Blower
- Low Noise Operation
- Rapid Cooling
Safety Features
- Overheating Protection
-
- Thermal Cutoff Switch
- High-Pressure Relief Valve
- Electrical Safety
-
- Fuse Protection
- Ground Fault Detection
Comfort Features
- Temperature Control
-
- Precise Temperature Settings
- Auto-Adjust Mode
- Airflow Control
-
- Adjustable Vents
- Multi-Level Airflow
- Noise Reduction
-
- Low Noise Blower
- Insulated Ducts
Accessories
- Filters
-
- Cabin Air Filter
- Pollen Filter
- Charcoal Filter
- Tools
-
- Diagnostic Scanner
- Refrigerant Gauge
- Leak Detector
- Upgrades
-
- Enhanced Blower Motor
- High-Performance Compressor
Maintenance
- Service interval
- 12 months or 15,000 miles
- Service Items
-
- Inspect Refrigerant Levels
- Check Compressor Operation
- Replace Cabin Air Filter
- Inspect Ducts for Leaks
- Test Blower Motor
- Maintenance Notes
- Use only manufacturer-approved refrigerants and lubricants.
Warranty
- Basic Warranty
- Years: 3Miles: 36,000Coverage: Parts and Labor
- Powertrain Warranty
- Years: 5Miles: 60,000Coverage: Compressor and Blower Motor
- Emissions Warranty
- Years: 2Miles: 24,000Coverage: Air Quality Sensor
- Warranty Terms
- Must follow recommended maintenance schedule.
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Injection Molding
- Die-Casting
- Assembly Line Integration
- Quality Control
- Testing: Pressure Testing, Leak Detection, Performance VerificationCertifications: ISO 9001, SAE Compliance
- Sustainability Practices
-
- Recycled Materials
- Energy-Efficient Manufacturing
- Production Metrics
- Units Produced: 500,000Defect Rate: 0.5%
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Inspect Refrigerant Levels
- Check Compressor Operation
- Replace Cabin Air Filter
- Inspect Ducts for Leaks
- Test Blower Motor
Ensure all connections are secure and free of debris.
- Flush and Recharge Refrigerant
- Inspect and Clean Condenser
- Check Electrical Connections
- Test Thermostat Functionality
Use only manufacturer-approved refrigerants.
- Replace Compressor if Needed
- Replace Blower Motor if Needed
- Inspect and Replace Seals
- Perform Full System Diagnostics
Major service may require specialized tools.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the HVAC system in a 1994-1999 Cadillac DeVille?
What are the technical specifications of the HVAC system in a 1994-1999 Cadillac DeVille?
The HVAC system in a 1994-1999 Cadillac DeVille features a dual-zone automatic climate control system with a blend door actuator, electronic climate control, and a refrigerant type R-12 or R-134a. The system is compatible with the vehicle's 4.9L Northstar V8 engine and includes a heater core, evaporator, and condenser. The system operates on a 12V electrical system and is integrated with the vehicle's ECM for optimal performance.
Q2 What are the maintenance requirements for the HVAC system?
What are the maintenance requirements for the HVAC system?
Regular maintenance is essential for optimal HVAC performance. This includes replacing the cabin air filter every 15,000 miles, inspecting and topping off refrigerant levels as needed, cleaning the condenser coils annually, and checking the heater core for leaks. Additionally, the system should be serviced every 50,000 miles to ensure proper function and prevent premature wear.
Q3 How do I install or replace a component in the HVAC system?
How do I install or replace a component in the HVAC system?
To replace a component in the HVAC system, start by disconnecting the battery and recovering the refrigerant using a certified recovery machine. Remove the dashboard trim and access the HVAC unit. Depending on the component, such as the blower motor or heater core, follow the manufacturer's instructions for removal and installation. Reassemble the system, recharge the refrigerant, and test for proper function. Ensure all electrical connections are secure and leak-test the system.
Q4 How do I troubleshoot common HVAC issues?
How do I troubleshoot common HVAC issues?
Common HVAC issues include low airflow, temperature fluctuations, or no cooling. Start by checking the fuses and relays. Inspect the cabin air filter and ensure it is clean. Test the blend door actuator for proper function. Check the refrigerant level and look for signs of leaks. Use a manifold gauge to test system pressure and ensure the compressor is engaging. Consult a professional if issues persist.
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 regular maintenance, including filter replacements and refrigerant checks. Use the recirculation mode to improve cooling efficiency and reduce moisture buildup. Park in shaded areas and use sunshades to reduce heat load. Avoid overcharging the system with too much refrigerant, as this can reduce performance. Consider upgrading to a high-performance compressor or condenser for improved cooling capacity.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Cadillac DeVille HVAC Service Manual
Coming SoonThis manual provides detailed instructions for diagnosing and repairing the HVAC system in 1994-1999 Cadillac DeVille models.
Technical Service Bulletin: HVAC Refrigerant Leak Repair
Coming SoonThis bulletin addresses common refrigerant leak issues in the HVAC system and provides repair procedures.
Cadillac DeVille Parts Catalog
Coming SoonThis catalog lists all OEM parts for the HVAC system, including filters, actuators, and refrigerant components.
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.