{"product_id":"dorman-604-136-hvac-blend-door-actuator","title":"Dorman 604-136 HVAC Blend Door Actuator - Left Main or Main","description":"\u003ch2\u003eOverview of Dorman 604-136 HVAC Blend Door Actuator\u003c\/h2\u003e\u003cp\u003eThe Dorman 604-136 HVAC Blend Door Actuator is designed to provide reliable control of the blend door in your vehicle's heating and cooling system. Specifically engineered for Chevrolet Express and GMC Savana models, this actuator features a rotary switch activation type and durable plastic construction to ensure consistent performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRotary switch activation for precise blend door control\u003c\/li\u003e\n\u003cli\u003eDurable plastic material for long-lasting use\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Express 1500, 2500, 3500 and GMC Savana 1500, 2500, 3500\u003c\/li\u003e\n\u003cli\u003eIncludes one actuator per package\u003c\/li\u003e\n\u003cli\u003eOEM-quality replacement part number 604-136\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 604-136 HVAC Blend Door Actuator is a critical component in the climate control system of select Chevrolet and GMC vans. Its rotary switch activation type allows for smooth and accurate adjustment of the blend door, which regulates the mix of hot and cold air entering the cabin. Constructed from durable plastic, this actuator is designed to withstand the thermal and mechanical stresses typical in HVAC systems. This part is a direct replacement for factory-installed actuators on Chevrolet Express 1500, 2500, 3500 and GMC Savana 1500, 2500, 3500 models, ensuring proper fit and function.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Resolved\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper airflow temperature control in HVAC systems\u003c\/li\u003e\n\u003cli\u003eEliminates inconsistent cabin temperature fluctuations\u003c\/li\u003e\n\u003cli\u003eResolves blend door actuator noise or failure symptoms\u003c\/li\u003e\n\u003cli\u003eFixes HVAC system error codes related to blend door position\u003c\/li\u003e\n\u003cli\u003eImproves overall climate control responsiveness\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 604-136 actuator requires basic automotive HVAC knowledge and tools. It is recommended to disconnect the vehicle battery before beginning to avoid electrical issues. Access to the blend door actuator is typically behind the dashboard on the passenger side. Ensure the actuator is properly aligned with the blend door shaft before securing. After installation, verify actuator operation by cycling the HVAC controls through different temperature settings.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM specifications. The 604-136 HVAC Blend Door Actuator undergoes rigorous quality control to ensure durability and reliable operation. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship for a specified period. Refer to Dorman's warranty documentation for detailed terms and conditions.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44012524699829,"sku":"BKKY-604-136","price":75.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_604136_Ang.jpg?v=1775009026","url":"https:\/\/www.partcatalog.com\/products\/dorman-604-136-hvac-blend-door-actuator","provider":"PartCatalog","version":"1.0","type":"link"}