[Fitment] This idler pulley suit for Subaru B9 Tribeca H6 3.0L GAS 2006-2007, for Subaru Legacy H6 3.0L GAS 2008-2009, for Subaru Legacy H6 3.6L GAS 2010-2019, for Subaru Outback H6 3.0L GAS 2001-2009, for Subaru Outback H6 3.6L GAS 2010-2019, for Subaru Tribeca H6 3.6L GAS 2008-2014, for Suzuki Grand Vitara V6 3.2L GAS 2009-2010. OE Number:1753079K00/23770AA000/23770AA020/23770AA030/419-693/36330. For 23771AA000 Idler Pulley Bolt, for 23772AA000 Idler Pulley Cover.
[Function] It Only guides the belt (fixed position, no tension adjustment), It maintains proper tension on the accessory drive belt (serpentine belt) to ensuring smooth operation. It guides and redirects the belt around various engine components, prevents the belt from rubbing or jumping off pulleys. It reduces belt vibration and wear, absorbs vibration from the spinning belt, prolonging belt and component life.
[Reliable Quality] No grooves, adopt with robust steel materials to withstand constant friction, heat, and mechanical stress, high strength enough to resists warping under tension, and handles heat well. Sealed Ball Bearing for smooth rotation, resists dirt/moisture, prolong the service life. Please check and replace the idler pulley when met issue like belt damage, belt chirping at startup or acceleration, visible wobbling when the engine runs etc.
[Installation] 1. Disconnect the battery and cool engine. 2. Locate the bad idler pulley, relieve belt tension and slide the serpentine belt off the idler pulley. 3. Remove the center bolt and pull the old idler pulley. 4. Install the new idler pulley and reinstall the serpentine belt properly. 5. Reconnect the battery terminal, start the engine to check no noises or wobbling. Note: Check tensioner or belt alignment if belt squeals, check bolt if pulley wobbles.
[Package] Include 1x Belt Idler Pulley. Belt Type: Serpentine, Inside Diameter: 17 mm, Outside Diameter: 80 mm, Width: 28.5mm.