Infiniti Q45 2002-2006 HVAC Specifications

The HVAC system is designed to be compatible with all 2002-2006 Infiniti Q45 models. It includes standard features such as dual-zone automatic climate control and air filtration. However, specific trims or packages may have additional features like rear-seat climate controls. Always verify your vehicle’s exact specifications before purchasing replacement parts or accessories.

Regular maintenance of the HVAC system includes replacing the cabin air filter every 12,000-15,000 miles, checking refrigerant levels annually, and inspecting the blower motor and condenser for debris. Ensure the system is professionally serviced every 2-3 years to maintain optimal performance and prevent issues like reduced airflow or unusual odors.

To replace the cabin air filter, locate the filter housing behind the glove compartment. Remove the glove compartment by unscrewing the fasteners and gently pulling it out. Open the filter housing, remove the old filter, and insert the new one, ensuring it’s properly aligned. Reassemble the glove compartment and test the HVAC system to confirm proper airflow.

If your HVAC system is not blowing cold air, first check the refrigerant levels and look for leaks. Inspect the compressor and condenser for damage or debris. If the issue persists, it could be due to a faulty blower motor or a clogged cabin air filter. Consult a professional technician for a thorough diagnosis and repair.

To optimize HVAC performance, regularly clean or replace the cabin air filter, ensure refrigerant levels are adequate, and keep the condenser and evaporator coils free of debris. Use the recirculation mode in hot weather to cool the cabin faster and reduce strain on the system. Schedule annual inspections to address potential issues before they affect performance.