Pontiac Pontiac Grand Prix 2004-2008 HVAC Specifications
Explore comprehensive HVAC specifications for the 2004-2008 Pontiac Grand Prix. Learn about air conditioning, heating, and ventilation systems, including technical details for maintenance and repair.
Overview Specifications
This document provides detailed specifications and information about the HVAC (Heating, Ventilation, and Air Conditioning) system in the 2004-2008 Pontiac Grand Prix. It includes system components, functionality, maintenance tips, and troubleshooting guidance. Use this guide to understand how the HVAC system operates, locate specific features, and ensure optimal performance. Whether you're a vehicle owner or a technician, this resource will help you navigate the system effectively.
How to Use
Use the search function by entering keywords related to the HVAC system, such as 'blower motor,' 'refrigerant,' or 'temperature control.' This will quickly direct you to relevant sections or subsections within the document.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized by major topics, with subsections providing detailed information. Click on a section title to jump directly to that part of the document.
Key Specifications
Refrigerant Type
R-134a
Cabin Air Filter Location
Behind glove compartment
Blower Motor Voltage
12V DC
Compressor Type
Variable Displacement
Fan Speed Settings
4
Available Specifications
System Components
This section outlines the key components of the HVAC system in the 2004-2008 Pontiac Grand Prix. Understanding these parts is essential for diagnosing issues and performing maintenance. Components include the blower motor, evaporator, condenser, compressor, and control panel.
System Components
This section outlines the key components of the HVAC system in the 2004-2008 Pontiac Grand Prix. Understanding these parts is essential for diagnosing issues and performing maintenance. Components include the blower motor, evaporator, condenser, compressor, and control panel.
Blower Motor
- Located inside the HVAC housing
- Responsible for circulating air through the vents
- Operates at multiple speed settings
- Controlled by the blower motor resistor
- Common issues include motor failure or resistor burnout
- Replacement requires removing the glove compartment
Evaporator and Condenser
- Evaporator cools air before it enters the cabin
- Condenser releases heat from the refrigerant
- Both are part of the refrigerant cycle
- Located in the engine compartment and HVAC housing
- Prone to clogging or refrigerant leaks
- Regular cleaning and inspection are recommended
Functionality
This section explains how the HVAC system operates, including temperature control, airflow distribution, and defrosting features. Learn how to use the system effectively and troubleshoot common operational issues.
Functionality
This section explains how the HVAC system operates, including temperature control, airflow distribution, and defrosting features. Learn how to use the system effectively and troubleshoot common operational issues.
Temperature Control
- Dual-zone climate control available on some models
- Manual controls for fan speed and temperature
- Automatic climate control adjusts based on settings
- Uses a blend door to mix hot and cold air
- Common issues include blend door motor failure
- Resetting the system may resolve calibration issues
Airflow Distribution
- Multiple vents for face, floor, and defrost settings
- Controlled by the mode actuator
- Actuator may fail, causing stuck vents
- Replacement requires dashboard removal
- Regularly check for blockages in vents
- Ensure cabin air filter is clean for optimal airflow
Maintenance and Troubleshooting
This section provides tips for maintaining the HVAC system and troubleshooting common problems. Proper care ensures longevity and efficient performance of the system.
Maintenance and Troubleshooting
This section provides tips for maintaining the HVAC system and troubleshooting common problems. Proper care ensures longevity and efficient performance of the system.
Routine Maintenance
- Replace cabin air filter every 12,000-15,000 miles
- Inspect refrigerant levels annually
- Clean condenser and evaporator coils regularly
- Check for leaks in the refrigerant system
- Lubricate blower motor bearings if noisy
- Inspect electrical connections for corrosion
Common Issues and Fixes
- Weak airflow: Check blower motor and cabin filter
- No cold air: Refrigerant may be low or compressor faulty
- Strange odors: Clean evaporator and replace filter
- Unresponsive controls: Check fuses and wiring
- Blend door clicking: Replace blend door actuator
- Defrost not working: Check mode actuator and vents
Search Specifications
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Component Specifications
Overview
- Type
- Automatic Climate Control
- Configuration
- Dual-Zone
- Platform
- GM W-Body
- Material
- Plastic and Aluminum
- Location
- Front Dashboard
Dimensions
- Blower Motor Diameter
- 6 inches / 15.24 cm
- Evaporator Core Length
- 14 inches / 35.56 cm
- Condenser Core Width
- 20 inches / 50.8 cm
- Compressor Height
- 8 inches / 20.32 cm
- Heater Core Thickness
- 2 inches / 5.08 cm
- Duct Diameter
- 3 inches / 7.62 cm
- Control Panel Width
- 12 inches / 30.48 cm
Materials
- Blower Motor
- Steel and Copper
- Evaporator Core
- Aluminum
- Condenser Core
- Aluminum and Copper
- Compressor
- Aluminum Alloy
- Ducting
- Reinforced Plastic
Features
- Climate Control
-
- Automatic Temperature Regulation
- Dual-Zone Control
- Air Recirculation Mode
- Defrost Mode
- Air Distribution
-
- Front Panel Vents
- Floor Vents
- Windshield Defrost Vents
- Side Window Defrost Vents
- Fan Speeds
-
- Low
- Medium
- High
- Auto
- Air Filtration
-
- Cabin Air Filter
- Pollen Filter
- Odor Reduction
- Compressor Control
-
- Variable Displacement
- Automatic Shutoff
- High-Pressure Cutoff
Safety Features
- Overheat Protection
-
- High-Temperature Shutoff
- Thermal Fuse
- Pressure Control
-
- High-Pressure Cutoff
- Low-Pressure Switch
- Electrical Safety
-
- Fuse Protection
- Ground Fault Detection
Comfort Features
- Temperature Control
- Precision Dual-Zone
- Air Quality
- Cabin Air Filtration
- Noise Level
- Quiet Blower Motor
- Defrosting
- Quick Windshield Defrost
- Airflow
- Adjustable Directional Vents
Accessories
- Filters
-
- Cabin Air Filter
- Pollen Filter
- Odor Filter
- Controls
-
- Temperature Knobs
- Fan Speed Buttons
- Mode Selector
- Ducting
-
- Main Air Duct
- Side Window Defrost Ducts
- Floor Ducts
Maintenance
- Service interval
- Every 12,000 miles or 12 months
- Service Items
-
- Inspect and Replace Cabin Air Filter
- Check Refrigerant Levels
- Inspect Blower Motor
- Clean Evaporator Core
- Test Compressor Functionality
- Maintenance Notes
- Use only GM-approved refrigerants and lubricants.
Warranty
- Basic
- 3 years / 36,000 miles
- Powertrain
- 5 years / 60,000 miles
- Corrosion
- 6 years / 100,000 miles
- Emissions
- 8 years / 80,000 miles
- Warranty Terms
- Covers defects in materials and workmanship under normal use.
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Automated Assembly Line
- Precision Machining
- Quality Testing
- Quality Control
- Testing: Pressure and Leak Testinginspection: Visual and Functional InspectionCertification: ISO 9001 Certified
- Sustainability Practices
-
- Recyclable Materials
- Energy-Efficient Production
- Reduced Emissions
- Production Metrics
- Units Per Day: 500Defect Rate: Less than 0.1%Energy Usage: 20 kWh per unit
Service Information for hvac Service
Maintenance and service requirements specific to this component
- Inspect and Replace Cabin Air Filter
- Check Refrigerant Levels
- Inspect Blower Motor
- Clean Evaporator Core
- Test Compressor Functionality
Ensure all connections are secure and free of leaks.
- Check and Clean Condenser Core
- Inspect Ducting for Blockages
- Test Temperature Sensors
- Verify Control Panel Functionality
- Lubricate Blower Motor Bearings
Use only GM-approved lubricants.
- Replace Refrigerant
- Inspect and Replace Compressor if Necessary
- Check Electrical Connections
- Perform Full System Pressure Test
- Verify Airflow Distribution
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 2004-2008 Pontiac Grand Prix compatible with aftermarket parts?
Is the HVAC system in the 2004-2008 Pontiac Grand Prix compatible with aftermarket parts?
The HVAC system in the 2004-2008 Pontiac Grand Prix is designed to work with OEM parts, but many aftermarket components are compatible. Aftermarket blower motors, compressors, and condensers are available, but it's essential to verify compatibility with your specific model year. Always check for certifications like ISO or SAE to ensure quality and fitment. Using incompatible parts may void warranties or cause system malfunctions.
Q2 What are the maintenance requirements for the HVAC system in the 2004-2008 Pontiac Grand Prix?
What are the maintenance requirements for the HVAC system in the 2004-2008 Pontiac Grand Prix?
Regular maintenance for the HVAC system includes checking and replacing the cabin air filter every 15,000-20,000 miles, inspecting refrigerant levels, and ensuring the compressor and blower motor are functioning properly. It's also recommended to clean the evaporator and condenser coils annually to prevent clogs and maintain efficiency. Address any unusual noises, reduced airflow, or inconsistent temperatures promptly to avoid costly repairs.
Q3 How do I replace the cabin air filter in the 2004-2008 Pontiac Grand Prix?
How do I replace the cabin air filter in the 2004-2008 Pontiac Grand Prix?
To replace the cabin air filter, locate the filter housing behind the glove compartment. Open the glove box and remove the contents, then detach the glove box by unscrewing the fasteners. Locate the filter housing cover, remove it, and slide out the old filter. Insert the new filter, ensuring it's oriented correctly, and reassemble the components in reverse order. This process typically takes 15-20 minutes.
Q4 What should I do if my HVAC system is blowing warm air instead of cold?
What should I do if my HVAC system is blowing warm air instead of cold?
If your HVAC system is blowing warm air, first check the refrigerant levels, as low refrigerant is a common cause. Inspect the compressor clutch to ensure it's engaging properly. Additionally, check for leaks in the system or a clogged condenser. If these steps don't resolve the issue, the problem may lie with the blend door actuator or a faulty control module, requiring professional diagnosis.
Q5 How can I optimize the performance of my HVAC system in the 2004-2008 Pontiac Grand Prix?
How can I optimize the performance of my HVAC system in the 2004-2008 Pontiac Grand Prix?
To optimize HVAC performance, ensure the system is regularly maintained, including cleaning the condenser and evaporator coils and replacing the cabin air filter. Use the recirculation mode to reduce strain on the system during hot weather. Park in shaded areas to minimize heat buildup, and consider using a sunshade. Regularly inspect and service the compressor and blower motor to maintain efficiency.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2004-2008 Pontiac Grand Prix HVAC Service Manual
Coming SoonThis manual provides detailed instructions for diagnosing, maintaining, and repairing the HVAC system in the 2004-2008 Pontiac Grand Prix.
Technical Service Bulletin: HVAC System Updates
Coming SoonThis bulletin addresses common HVAC system issues and provides updates or fixes for the 2004-2008 Pontiac Grand Prix.
HVAC Parts and Accessories Guide for Pontiac Grand Prix
Coming SoonThis guide lists OEM and aftermarket parts and accessories compatible with the HVAC system in the 2004-2008 Pontiac Grand Prix.
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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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