Four Seasons 73489 HVAC Blend Door

Overview of Four Seasons HVAC Blend Door Kit 73489

The Four Seasons HVAC Blend Door Kit 73489 is a replacement blend door designed specifically for Jeep Grand Cherokee models. This component plays a crucial role in regulating the airflow and temperature inside the vehicle's HVAC system, ensuring optimal climate control performance.

• Replacement blend door for Jeep Grand Cherokee
• Constructed from durable plastic and steel materials
• Dimensions: 5.62 inches length, 4.375 inches height, 0.62 inches width
• Part number 73489 for precise identification
• Part of the HVAC Blend Door Kit product line by Four Seasons

About the HVAC Blend Door Kit Product Line

The HVAC Blend Door Kit from Four Seasons includes components engineered to restore proper airflow and temperature mixing within vehicle heating and cooling systems. This product line focuses on blend doors that control the mix of hot and cold air, helping maintain consistent cabin comfort. The 73489 blend door is a replacement part within this line, designed to meet the specifications required for Jeep Grand Cherokee HVAC systems.

Detailed Product Description

The Four Seasons HVAC Blend Door 73489 is manufactured using a combination of plastic and steel, providing a balance of lightweight construction and structural integrity. Measuring 5.62 inches in length, 4.375 inches in height, and 0.62 inches in width, this blend door fits precisely within the HVAC housing of compatible Jeep Grand Cherokee models. Its function is to blend hot and cold air streams, allowing the vehicle’s climate control system to maintain the desired temperature inside the cabin effectively.

Common Issues Resolved by This Blend Door

• Inconsistent cabin temperature due to faulty air mixing
• HVAC system producing only hot or cold air
• Unusual noises from the HVAC system blend door area
• Reduced airflow or improper vent operation
• Failure of temperature control adjustments in Jeep Grand Cherokee

Installation Notes and Tips

Installation of the Four Seasons HVAC Blend Door Kit 73489 requires access to the vehicle’s HVAC housing, which may involve removing dashboard panels. It is recommended to consult the Jeep Grand Cherokee service manual for detailed instructions. Ensure the replacement blend door aligns correctly with the actuator and seals to prevent air leaks. Proper installation will restore the HVAC system’s ability to regulate temperature accurately.

Quality Assurance and Warranty

Four Seasons manufactures the HVAC Blend Door Kit 73489 to meet OEM standards for fit and function. The use of plastic and steel materials ensures durability under normal operating conditions. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on their HVAC components to cover defects in materials and workmanship.