Infiniti QX4 1997-2003 HVAC Specifications
Explore the HVAC system specifications for the 1997-2003 Infiniti QX4, including details on components, performance, maintenance, and repair. This guide is essential for mechanics, enthusiasts, and owners.
Overview Specifications
This document provides a comprehensive overview of the HVAC specifications for the 1997-2003 Infiniti QX4. It includes detailed information on the heating, ventilation, and air conditioning systems, as well as instructions on how to search and navigate through the document. Use this guide to understand the technical aspects of the HVAC system, troubleshoot issues, and ensure optimal performance.
How to Use
To search for specific information, use the search bar at the top of the document. Enter keywords related to the HVAC system, such as 'blower motor' or 'thermostat', to quickly locate relevant sections.
Navigate through the document by scrolling or using the table of contents. Each section is clearly labeled, and you can click on any section to jump directly to it. Use the back-to-top button to return to the beginning of the document.
Key Specifications
Heater Core Capacity
1.5 liters
Blower Motor Power
12V DC
Compressor Type
Scroll Compressor
Condenser Material
Aluminum
Cabin Air Filter Type
Activated Carbon
Available Specifications
Heating System
The heating system in the 1997-2003 Infiniti QX4 is designed to provide efficient and consistent warmth during cold weather. This section covers the components and operation of the heating system, including the heater core, blower motor, and temperature controls.
Heating System
The heating system in the 1997-2003 Infiniti QX4 is designed to provide efficient and consistent warmth during cold weather. This section covers the components and operation of the heating system, including the heater core, blower motor, and temperature controls.
Heater Core
- Located behind the dashboard
- Uses engine coolant to generate heat
- Made of aluminum for durability
- Can become clogged over time
- Requires regular maintenance
Blower Motor
- Controls the speed of air flow
- Located in the HVAC housing
- Operates on a multi-speed setting
- Can fail due to electrical issues
- Replacement involves removing the dashboard
Air Conditioning System
The air conditioning system in the Infiniti QX4 ensures a comfortable cabin temperature during hot weather. This section details the components and functionality of the AC system, including the compressor, condenser, and evaporator.
Air Conditioning System
The air conditioning system in the Infiniti QX4 ensures a comfortable cabin temperature during hot weather. This section details the components and functionality of the AC system, including the compressor, condenser, and evaporator.
Compressor
- Driven by the engine via a belt
- Compresses refrigerant to cool air
- Contains a clutch for engagement
- Prone to wear and tear
- Requires regular inspection
Condenser
- Located in front of the radiator
- Cools the refrigerant after compression
- Made of aluminum for heat dissipation
- Can be damaged by road debris
- Needs periodic cleaning
Ventilation System
The ventilation system in the QX4 ensures proper air circulation and quality within the cabin. This section covers the components and operation of the system, including the air ducts, vents, and cabin air filter.
Ventilation System
The ventilation system in the QX4 ensures proper air circulation and quality within the cabin. This section covers the components and operation of the system, including the air ducts, vents, and cabin air filter.
Air Ducts
- Distribute air throughout the cabin
- Made of durable plastic
- Can accumulate dust and debris
- Require occasional cleaning
- May develop leaks over time
Cabin Air Filter
- Filters incoming air for pollutants
- Located behind the glove box
- Should be replaced annually
- Improves air quality and HVAC efficiency
- Available in both standard and activated carbon versions
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Component Specifications
Overview
- Type
- Automatic Climate Control
- Configuration
- Dual-Zone
- Platform
- Front and Rear
- Material
- Plastic and Aluminum
- Location
- Dashboard and Rear Console
Dimensions
- Evaporator Unit Width
- 12.5 inches / 31.75 cm
- Evaporator Unit Height
- 8.2 inches / 20.83 cm
- Evaporator Unit Depth
- 6.7 inches / 17.02 cm
- Condenser Unit Width
- 18.9 inches / 48.01 cm
- Condenser Unit Height
- 12.3 inches / 31.24 cm
- Condenser Unit Depth
- 1.2 inches / 3.05 cm
- Blower Motor Diameter
- 5.9 inches / 15 cm
Materials
- Evaporator Coil
- Aluminum
- Condenser Coil
- Aluminum
- Blower Motor
- Plastic and Steel
- Compressor
- Aluminum Alloy
- Ducting
- Thermoplastic
Features
- Climate Control
-
- Automatic Temperature Adjustment
- Dual-Zone Temperature Settings
- Rear Air Conditioning Controls
- Air Distribution
-
- Front and Rear Vents
- Defrost Mode
- Footwell Ventilation
- Filtration
-
- Cabin Air Filter
- Pollen Filter
- Odor Reduction
- Operation Modes
-
- Auto Mode
- Manual Mode
- Economy Mode
- Max Cooling Mode
- Sensors
-
- Interior Temperature Sensor
- Sunload Sensor
- Ambient Temperature Sensor
Safety Features
- Overheat Protection
-
- Compressor Shutoff at High Temperatures
- Thermal Fuse Protection
- Pressure Control
-
- High-Pressure Cutoff Switch
- Low-Pressure Cutoff Switch
- Electrical Safety
-
- Circuit Breaker
- Ground Fault Protection
Comfort Features
- Temperature Control
-
- Precise Dual-Zone Settings
- Quick Cooling Capability
- Air Quality
-
- Air Filtration System
- Odor Neutralizer
- Noise Reduction
-
- Quiet Blower Motor
- Insulated Ducting
- User interface
-
- Intuitive Control Panel
- LCD Display
Accessories
- Filters
-
- Cabin Air Filter
- Pollen Filter
- Charcoal Odor Filter
- Controls
-
- Remote Control for Rear HVAC
- Steering Wheel Controls
- Maintenance Tools
-
- Refrigerant Recharge Kit
- Pressure Gauge Set
- Leak Detection Kit
Maintenance
- Service interval
- Every 15,000 miles or 12 months
- Service Items
-
- Inspect and Replace Cabin Air Filter
- Check Refrigerant Levels
- Inspect Compressor and Belts
- Clean Evaporator and Condenser Coils
- Test HVAC System Performance
- Maintenance Notes
- Use only OEM-approved refrigerants and components
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Parts and Labor
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Compressor and Condenser
- Corrosion Warranty
- Miles: UnlimitedYears: 7Coverage: Rust Perforation
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: HVAC System Components
Production Details
- Manufacturer
- Infiniti
- Manufacturing Process
-
- Precision Machining
- Automated Assembly
- Quality Testing
- Quality Control
- Testing Procedures: Pressure Testing, Leak Detection, Performance VerificationCertifications: ISO 9001, ISO 14001
- Sustainability Practices
-
- Recycled Materials
- Energy-Efficient Manufacturing
- Low-Emission Refrigerants
- Production Metrics
- Units Per Year: 50,000Defect Rate: 0.5%Energy Consumption: 15 kWh per unit
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Replace Cabin Air Filter
- Check Refrigerant Levels
- Inspect Compressor and Belts
- Test HVAC System Performance
Use OEM-approved filters and refrigerants
- Clean Evaporator and Condenser Coils
- Inspect Electrical Connections
- Check for Refrigerant Leaks
- Test Blower Motor Operation
Ensure proper ventilation during cleaning
- Replace Refrigerant
- Inspect and Replace Compressor if Needed
- Check and Replace Ducting if Damaged
- Perform Full System Diagnostics
May require specialized equipment for refrigerant replacement
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications for the HVAC system in the 1997-2003 Infiniti QX4?
What are the technical specifications for the HVAC system in the 1997-2003 Infiniti QX4?
The HVAC system in the 1997-2003 Infiniti QX4 is designed for optimal climate control. It includes a dual-zone automatic temperature control system, a high-capacity compressor, and a multi-speed blower fan. The system is compatible with R134a refrigerant and features a cabin air filter for improved air quality. The HVAC system is integrated with the vehicle's electrical system and is designed to work seamlessly with the engine's cooling system.
Q2 What are the maintenance requirements for the HVAC system in the Infiniti QX4?
What are the maintenance requirements for the HVAC system in the Infiniti QX4?
Regular maintenance of the HVAC system in the Infiniti QX4 includes replacing the cabin air filter every 15,000 to 30,000 miles, checking refrigerant levels annually, and inspecting the compressor and blower motor for wear. It's also important to clean the evaporator and condenser coils to ensure efficient operation. Periodic inspection of the system's hoses and connections for leaks or damage is recommended to maintain optimal performance.
Q3 How do I replace the cabin air filter in the Infiniti QX4?
How do I replace the cabin air filter in the Infiniti QX4?
To replace the cabin air filter in the Infiniti QX4, first locate the filter housing behind the glove box. Remove the glove box by unscrewing the mounting screws and gently pulling it out. Open the filter housing cover and remove the old filter. Insert the new filter, ensuring it is oriented correctly. Reattach the housing cover and reinstall the glove box. This process typically takes about 15-20 minutes and requires no special tools.
Q4 What should I do if the HVAC system in my Infiniti QX4 is not cooling properly?
What should I do if the HVAC system in my Infiniti QX4 is not cooling properly?
If the HVAC system in your Infiniti QX4 is not cooling properly, first check the refrigerant levels and recharge if necessary. Inspect the compressor and blower motor for proper operation. Clean the condenser and evaporator coils to remove any debris. If the issue persists, check for leaks in the system or a malfunctioning thermostat. In some cases, a professional diagnostic may be required to identify and resolve the issue.
Q5 How can I optimize the performance of the HVAC system in my Infiniti QX4?
How can I optimize the performance of the HVAC system in my Infiniti QX4?
To optimize the performance of the HVAC system in your Infiniti QX4, ensure regular maintenance, including replacing the cabin air filter and cleaning the condenser and evaporator coils. Use the recirculation mode to improve cooling efficiency. Keep the system's refrigerant levels within the recommended range. Avoid overloading the system by setting the temperature to a moderate level. Regularly inspect and maintain the compressor and blower motor for optimal operation.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1997-2003 Infiniti QX4 Service Manual
Coming SoonComprehensive service manual covering all aspects of the vehicle, including the HVAC system. Provides detailed instructions for maintenance, repair, and troubleshooting.
Infiniti QX4 HVAC Technical Bulletin
Coming SoonTechnical service bulletin addressing common issues and updates for the HVAC system in the 1997-2003 Infiniti QX4. Includes recommended repairs and solutions.
Infiniti QX4 Parts and Accessories Guide
Coming SoonGuide listing all available parts and accessories for the 1997-2003 Infiniti QX4, including HVAC components. Provides part numbers and compatibility information.
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