{"product_id":"dorman-604-181-hvac-blend-door-actuator","title":"Dorman 604-181 HVAC Blend Door Actuator - Main","description":"\u003ch2\u003eOverview of Dorman 604-181 HVAC Blend Door Actuator\u003c\/h2\u003e\u003cp\u003eThe Dorman 604-181 HVAC Blend Door Actuator is designed specifically for Cadillac ATS and CTS models. This rotary switch actuator features a durable plastic construction and a reliable pin terminal connection, ensuring precise control of your vehicle's HVAC blend doors.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRotary switch activation type for smooth operation\u003c\/li\u003e\n\u003cli\u003eFour male pin terminals for secure electrical connection\u003c\/li\u003e\n\u003cli\u003eDurable plastic material for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eCompatible with Cadillac ATS and CTS HVAC systems\u003c\/li\u003e\n\u003cli\u003eIncludes one air door actuator per package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis HVAC blend door actuator by Dorman, part number 604-181, is engineered to replace faulty or worn actuators in Cadillac ATS and CTS vehicles. The actuator uses a rotary switch activation type, which allows for precise modulation of the blend door position, controlling airflow and temperature inside the cabin. Equipped with four male pin terminals, it ensures a stable and secure electrical connection to the vehicle’s HVAC system. The actuator’s plastic housing is designed to withstand typical operating conditions without compromising performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Resolved\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates inconsistent cabin temperature control\u003c\/li\u003e\n\u003cli\u003eResolves HVAC blend door failure symptoms such as stuck or unresponsive doors\u003c\/li\u003e\n\u003cli\u003eFixes issues with uneven airflow distribution inside the vehicle\u003c\/li\u003e\n\u003cli\u003eAddresses clicking or knocking noises from the HVAC system\u003c\/li\u003e\n\u003cli\u003eRestores proper function to the Cadillac ATS and CTS climate control system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 604-181 HVAC blend door actuator requires basic automotive HVAC knowledge. Ensure the vehicle’s battery is disconnected before beginning to avoid electrical shorts. Access the blend door actuator location behind the dashboard or glove box area, depending on the model year. Carefully disconnect the four-pin male terminal connector before removing the old actuator. Align the new actuator properly and secure it in place, then reconnect the electrical terminals. Test the HVAC system to confirm proper operation before reassembling panels.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 604-181 HVAC blend door actuator undergoes quality control testing to ensure reliable performance in Cadillac ATS and CTS vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44017114710197,"sku":"BKKY-604-181","price":45.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_604181_Fro.jpg?v=1775009035","url":"https:\/\/www.partcatalog.com\/products\/dorman-604-181-hvac-blend-door-actuator","provider":"PartCatalog","version":"1.0","type":"link"}