{"product_id":"dorman-604-189-hvac-blend-door-actuator","title":"Dorman 604-189 HVAC Blend Door Actuator - Lower Main, Main or Upper Main","description":"\u003ch2\u003eOverview of Dorman HVAC Blend Door Actuator 604-189\u003c\/h2\u003e\u003cp\u003eThe Dorman HVAC Blend Door Actuator 604-189 is designed to provide reliable control of the airflow blend doors in select Chevrolet and Pontiac vehicles. This rotary switch actuator is constructed from durable plastic, ensuring consistent performance in your vehicle's HVAC system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRotary switch activation type for precise airflow control\u003c\/li\u003e\n\u003cli\u003eDurable plastic construction for long-lasting use\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Caprice, Pontiac G8, and Pontiac SS models\u003c\/li\u003e\n\u003cli\u003eIncludes one actuator per package\u003c\/li\u003e\n\u003cli\u003eOEM-quality replacement part number 604-189\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis HVAC blend door actuator from Dorman operates using a rotary switch activation mechanism, which allows for smooth and accurate adjustment of the blend door position. Made from high-quality plastic materials, the actuator is engineered to withstand the temperature fluctuations and mechanical stresses typical in automotive HVAC systems. The part number 604-189 is specifically designed to fit Chevrolet Caprice and Pontiac G8 and SS models, ensuring proper fit and function without modification.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis actuator is used to control the blend door within the HVAC system, regulating the mix of hot and cold air to maintain the desired cabin temperature. It addresses several common HVAC issues, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInconsistent or incorrect cabin temperature regulation\u003c\/li\u003e\n\u003cli\u003eUnresponsive or stuck blend door movement\u003c\/li\u003e\n\u003cli\u003eUnusual noises coming from the HVAC system\u003c\/li\u003e\n\u003cli\u003eFailure of the rotary switch to adjust airflow properly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Chevrolet Caprice, Pontiac G8, or Pontiac SS before installation\u003c\/li\u003e\n\u003cli\u003eDisconnect the vehicle battery prior to actuator replacement to avoid electrical issues\u003c\/li\u003e\n\u003cli\u003eCarefully remove the old blend door actuator to prevent damage to surrounding HVAC components\u003c\/li\u003e\n\u003cli\u003eVerify actuator operation after installation by cycling through temperature settings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM specifications, providing dependable performance for your vehicle's HVAC system. The 604-189 blend door actuator undergoes rigorous quality control to ensure durability and functionality. Warranty coverage details can be obtained from the product documentation or the manufacturer.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44017115234485,"sku":"BKKY-604-189","price":37.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_604189_Fro_b11c6989-6405-40cf-85b4-1dd732ae1991.jpg?v=1775009037","url":"https:\/\/www.partcatalog.com\/products\/dorman-604-189-hvac-blend-door-actuator","provider":"PartCatalog","version":"1.0","type":"link"}