{"product_id":"dorman-604-830-hvac-blend-door-actuator","title":"Dorman 604-830 HVAC Blend Door Actuator - Main","description":"\u003ch2\u003eOverview of Dorman HVAC Blend Door Actuator 604-830\u003c\/h2\u003e\u003cp\u003eThe Dorman HVAC Blend Door Actuator 604-830 is designed for precise control of airflow temperature in select Audi and Volkswagen vehicles. This rotary switch actuator ensures reliable operation of the HVAC system in models such as the Audi A4, A4 Quattro, RS4, S3, S4, and Volkswagen Passat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRotary switch activation type for smooth and accurate blend door movement\u003c\/li\u003e\n\u003cli\u003eFive-pin male terminal configuration for secure electrical connection\u003c\/li\u003e\n\u003cli\u003eDurable plastic construction for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple Audi and Volkswagen models including A4, RS4, and Passat\u003c\/li\u003e\n\u003cli\u003eIncludes one air door actuator per package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Features\u003c\/h2\u003e\u003cp\u003eThe Dorman 604-830 HVAC blend door actuator features a rotary switch activation type, which allows for precise modulation of the blend door position within the HVAC system. It utilizes a five-pin male terminal setup, ensuring a stable and reliable electrical connection to the vehicle’s wiring harness. Constructed from durable plastic materials, this actuator is engineered to withstand the thermal and mechanical stresses typical in automotive HVAC environments. The part is specifically designed to fit Audi models such as the A4, A4 Quattro, RS4, S3, and S4, as well as the Volkswagen Passat, providing a direct replacement for factory components.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis HVAC blend door actuator is used to control the mix of hot and cold air inside the vehicle cabin by adjusting the position of the blend door. It addresses several HVAC system issues, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInconsistent cabin temperature due to blend door malfunction\u003c\/li\u003e\n\u003cli\u003eUnresponsive or stuck HVAC temperature controls\u003c\/li\u003e\n\u003cli\u003eUnusual noises from the HVAC system indicating actuator failure\u003c\/li\u003e\n\u003cli\u003eFailure to switch between heating and cooling modes properly\u003c\/li\u003e\n\u003cli\u003eIntermittent airflow temperature changes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 604-830 blend door actuator, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Access to the actuator typically requires removal of dashboard panels or glove box components depending on the vehicle model. Verify the orientation of the actuator and the alignment of the five-pin male terminals before securing the unit. After installation, test the HVAC system to confirm proper blend door movement and temperature control functionality.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance for HVAC system repairs. The 604-830 blend door actuator undergoes quality control testing to ensure durability and fitment accuracy. This part is backed by Dorman’s limited warranty, which covers defects in material and workmanship under normal use conditions.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44017199841461,"sku":"BKKY-604-830","price":70.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_604830_Fro.jpg?v=1775009089","url":"https:\/\/www.partcatalog.com\/products\/dorman-604-830-hvac-blend-door-actuator","provider":"PartCatalog","version":"1.0","type":"link"}