{"product_id":"dayco-89387-accessory-drive-belt-tensioner-assembly","title":"Dayco 89387 Accessory Drive Belt Tensioner Assembly - Air Conditioning","description":"\u003ch2\u003eOverview of Dayco Accessory Drive Belt Tensioner Assembly\u003c\/h2\u003e\u003cp\u003eThe Dayco 89387 accessory drive belt tensioner assembly is designed for reliable performance in select Cadillac models. This automatic tensioner is engineered to maintain optimal serpentine belt tension, ensuring smooth operation of your vehicle's accessory drive system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Cadillac CTS, SRX, and STS models\u003c\/li\u003e\n\u003cli\u003eAutomatic tensioner type for consistent belt tension\u003c\/li\u003e\n\u003cli\u003eCounter clockwise direction operation\u003c\/li\u003e\n\u003cli\u003eSingle pulley design with a 70mm diameter and 27mm width\u003c\/li\u003e\n\u003cli\u003ePulley features a flat surface for improved belt contact\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dayco 89387 tensioner assembly features a single pulley with a 70mm diameter and 27mm width, designed to accommodate serpentine belts commonly used in Cadillac CTS, SRX, and STS vehicles. The pulley operates in a counter clockwise direction and has a flat surface to ensure proper belt alignment and reduce slippage. As an automatic tensioner, it adjusts tension dynamically to compensate for belt wear and elongation, helping maintain consistent accessory drive performance.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis accessory drive belt tensioner assembly is specifically compatible with Cadillac CTS, SRX, and STS models, making it a suitable replacement part for maintaining your vehicle's belt system. It addresses common issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcessive belt slack causing noise or slipping\u003c\/li\u003e\n\u003cli\u003eUneven belt wear due to improper tension\u003c\/li\u003e\n\u003cli\u003eAccessory drive system inefficiency\u003c\/li\u003e\n\u003cli\u003ePremature belt or pulley failure\u003c\/li\u003e\n\u003cli\u003eVibration or misalignment in the belt path\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dayco 89387 tensioner assembly, ensure the serpentine belt is properly routed according to the vehicle’s service manual. The counter clockwise rotation direction must be observed to avoid damage. Verify pulley alignment and belt tension after installation to prevent premature wear. It is recommended to inspect the belt and related components for wear and replace them if necessary during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the 89387 accessory drive belt tensioner assembly to meet OEM specifications for Cadillac vehicles. The product undergoes rigorous quality control to ensure durability and reliable performance. Warranty coverage details should be confirmed with the original product documentation or authorized distributors.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391602065589,"sku":"BCWL-89387","price":75.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_89387_Fro.jpg?v=1774728904","url":"https:\/\/www.partcatalog.com\/products\/dayco-89387-accessory-drive-belt-tensioner-assembly","provider":"PartCatalog","version":"1.0","type":"link"}