DAYCO NO SLACK AUTOMATIC BELT TENSIONER 132013 SUITS:Nissan Patrol (Jan 2007 on) 3.0 Ltr 4 Cyl. 16V DOHC DTFI Turbo Diesel GU 118kW EngCode: ZD30DDTiDayco No Slack Idler/Tensioner PulleysDesigned to maintain constant tension on serpentine belt drives Serpentine belt drives consist of a single belt that powers most, if not all, of the engines accessories.To maintain the proper tension throughout the drive, an automatic, spring-loaded tensioner is incorporated into the drive system geometry. Daycos Automatic Belt Tensioner features a patented flat spring design thats engineered to provide less operating range variations in tension. This reduces the risk of premature accessory bearing failure due to high tension when a new belt is installed. It also lessens the risk of belt squeal and.
