{"product_id":"dorman-604-922-hvac-blend-door-actuator","title":"Dorman 604-922 HVAC Blend Door Actuator - Main","description":"\u003ch2\u003eOverview of Dorman HVAC Blend Door Actuator 604-922\u003c\/h2\u003e\u003cp\u003eThe Dorman HVAC Blend Door Actuator 604-922 is designed to provide reliable control of the air blend doors in your vehicle's heating and cooling system. This actuator features a rotary switch activation type and is constructed from durable plastic to ensure consistent performance in Chevrolet and GMC vans.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRotary switch activation for precise air door control\u003c\/li\u003e\n\u003cli\u003eDurable plastic construction for long-lasting use\u003c\/li\u003e\n\u003cli\u003eIncludes one air door actuator per package\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Express 1500, 2500, 3500 and GMC Savana 1500, 2500, 3500 models\u003c\/li\u003e\n\u003cli\u003eOEM-quality replacement part number 604-922\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis HVAC blend door actuator from Dorman is engineered to replace the factory unit in Chevrolet Express and GMC Savana vans, specifically the 1500, 2500, and 3500 series. The actuator uses a rotary switch activation type, which allows it to accurately adjust the position of the blend door, regulating the mix of hot and cold air inside the vehicle cabin. Made from high-quality plastic, this part balances durability with lightweight design, helping maintain efficient HVAC system operation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Resolved\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper airflow direction and temperature control in HVAC systems\u003c\/li\u003e\n\u003cli\u003eEliminates inconsistent cabin temperature caused by faulty blend door movement\u003c\/li\u003e\n\u003cli\u003eResolves clicking or knocking noises from the HVAC system blend door area\u003c\/li\u003e\n\u003cli\u003eFixes failure of air temperature adjustment in Chevrolet Express and GMC Savana vans\u003c\/li\u003e\n\u003cli\u003eAddresses actuator motor failure or electrical issues related to blend door operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Chevrolet Express 1500, 2500, 3500 or GMC Savana 1500, 2500, 3500 before installation\u003c\/li\u003e\n\u003cli\u003eDisconnect the vehicle battery prior to actuator replacement to avoid electrical hazards\u003c\/li\u003e\n\u003cli\u003eCarefully remove the dashboard panels to access the blend door actuator location\u003c\/li\u003e\n\u003cli\u003eVerify the actuator's rotary switch mechanism aligns correctly with the blend door shaft\u003c\/li\u003e\n\u003cli\u003eTest HVAC system operation after installation to confirm proper airflow and temperature control\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 standards, ensuring reliable fit and function. The HVAC blend door actuator 604-922 undergoes rigorous quality control to provide consistent performance in Chevrolet Express and GMC Savana vehicles. This part is backed by Dorman's limited warranty, covering defects in material and workmanship under normal use.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44017237721269,"sku":"BKKY-604-922","price":21.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_604922_Fro_da6052d1-f50e-463f-9851-405cb913df41.jpg?v=1775009105","url":"https:\/\/www.partcatalog.com\/products\/dorman-604-922-hvac-blend-door-actuator","provider":"PartCatalog","version":"1.0","type":"link"}