{"product_id":"dorman-604-706-hvac-blend-door-actuator","title":"Dorman 604-706 HVAC Blend Door Actuator - Lower Main or Upper Main","description":"\u003ch2\u003eOverview of Dorman HVAC Blend Door Actuator 604-706\u003c\/h2\u003e\u003cp\u003eThe Dorman HVAC Blend Door Actuator 604-706 is designed for precise control of airflow temperature in select GM vehicles. This rotary switch actuator features a durable plastic construction and a 5-terminal male blade connector, ensuring reliable operation in Cadillac, Chevrolet, and GMC models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRotary switch activation type for accurate blend door positioning\u003c\/li\u003e\n\u003cli\u003e5 male blade terminals for secure electrical connection\u003c\/li\u003e\n\u003cli\u003eDurable plastic housing designed for HVAC system compatibility\u003c\/li\u003e\n\u003cli\u003eIncludes one air door actuator per package\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM trucks and SUVs including Chevrolet Silverado and GMC Sierra\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 604-706 HVAC Blend Door Actuator is engineered to replace faulty or worn actuators in various Cadillac, Chevrolet, and GMC vehicles. Its rotary switch activation type allows for smooth and precise adjustment of the blend door, which regulates the mix of hot and cold air inside the HVAC system. The actuator features five male blade terminals, providing a stable and secure electrical connection to the vehicle’s wiring harness. Constructed from durable plastic, this actuator is built to withstand the temperature fluctuations and mechanical stresses typical in automotive HVAC systems. This part is compatible with a wide range of models including the Chevrolet Silverado 1500, Silverado 2500 HD, GMC Sierra 1500 Limited, Sierra 3500 HD, Cadillac Escalade, Yukon XL, and others.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Resolved\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper temperature control in HVAC systems\u003c\/li\u003e\n\u003cli\u003eEliminates inconsistent airflow or temperature fluctuations\u003c\/li\u003e\n\u003cli\u003eResolves blend door actuator clicking or failure noises\u003c\/li\u003e\n\u003cli\u003eFixes inability to switch between heating and cooling modes\u003c\/li\u003e\n\u003cli\u003eAddresses HVAC system error codes related to actuator malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility by verifying make, model, and year before installation\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery prior to actuator replacement to prevent electrical shorts\u003c\/li\u003e\n\u003cli\u003eAccess the blend door actuator behind the dashboard or glove box area as per vehicle service manual\u003c\/li\u003e\n\u003cli\u003eCarefully disconnect the 5-terminal male blade connector before removing the old actuator\u003c\/li\u003e\n\u003cli\u003eTest actuator operation after installation to confirm proper HVAC function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman HVAC Blend Door Actuators undergo rigorous quality control to meet OEM standards for fit and function. The 604-706 part number is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship. This ensures dependable performance and peace of mind when replacing HVAC components in Cadillac, Chevrolet, and GMC vehicles.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44017181130933,"sku":"BKKY-604-706","price":39.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_604706_Fro_8d9427d9-64dc-48f3-8d7a-8c7198fc86fd.jpg?v=1775009084","url":"https:\/\/www.partcatalog.com\/products\/dorman-604-706-hvac-blend-door-actuator","provider":"PartCatalog","version":"1.0","type":"link"}