{"product_id":"four-seasons-73178-hvac-mode-door-actuator","title":"Four Seasons 73178 HVAC Mode Door Actuator - Auxiliary","description":"\u003ch2\u003eReliable HVAC Mode Door Actuator for Cadillac DTS\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Air Door Actuator 73178 is designed to restore proper airflow control in your Cadillac DTS HVAC system. This HVAC mode door actuator ensures precise movement of the air door linkage, maintaining optimal climate control inside your vehicle.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Cadillac DTS models\u003c\/li\u003e\n\u003cli\u003ePart number 73178 for accurate identification\u003c\/li\u003e\n\u003cli\u003eFeatures an arm-style door linkage for smooth operation\u003c\/li\u003e\n\u003cli\u003eEquipped with 4 mounting ears for secure installation\u003c\/li\u003e\n\u003cli\u003eIncludes 5 terminal pins for reliable electrical connection\u003c\/li\u003e\n\u003cli\u003eDesigned specifically as an HVAC mode door actuator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Four Seasons Air Door Actuator Product Line\u003c\/h2\u003e\u003cp\u003eThe Air Door Actuator line by Four Seasons focuses on delivering precise control components for vehicle HVAC systems. This product line includes actuators engineered to regulate airflow direction by moving internal air doors. The 73178 actuator is part of this line, providing a dependable replacement that matches OEM specifications for Cadillac DTS vehicles.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description and Attributes\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Air Door Actuator 73178 features an arm-style door linkage, which is essential for accurate positioning of the HVAC mode door inside the air distribution system. It mounts securely with four mounting ears, ensuring stability during operation. The actuator’s five terminal pins provide a solid electrical interface, supporting consistent performance. This actuator is specifically designed to control the HVAC mode door, which directs airflow to different vents within the cabin.\u003c\/p\u003e\u003ch2\u003eCommon HVAC Issues Addressed by This Actuator\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInconsistent airflow direction in Cadillac DTS HVAC system\u003c\/li\u003e\n\u003cli\u003eFailure of air door to move or respond to climate control settings\u003c\/li\u003e\n\u003cli\u003eUnusual noises or clicking sounds from the HVAC system\u003c\/li\u003e\n\u003cli\u003eInability to switch between vent modes such as defrost, floor, or panel\u003c\/li\u003e\n\u003cli\u003eIntermittent or complete loss of HVAC mode door function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle ignition is off before installation\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery to prevent electrical shorts\u003c\/li\u003e\n\u003cli\u003eRemove the old actuator carefully to avoid damaging door linkage\u003c\/li\u003e\n\u003cli\u003eAlign the new actuator’s arm linkage properly with the HVAC door\u003c\/li\u003e\n\u003cli\u003eSecure all four mounting ears firmly to prevent movement\u003c\/li\u003e\n\u003cli\u003eVerify electrical connections on all five terminal pins\u003c\/li\u003e\n\u003cli\u003eTest actuator operation before reassembling dashboard components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eFour Seasons manufactures the Air Door Actuator 73178 to meet or exceed OEM standards for durability and performance. Each actuator undergoes quality control testing to ensure reliable operation in Cadillac DTS vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44607895339189,"sku":"BBRN-73178","price":52.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_73178_Fro.jpg?v=1775069921","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-73178-hvac-mode-door-actuator","provider":"PartCatalog","version":"1.0","type":"link"}