Defeat the Screech Expert Tips for Idler Pulley Noise

If the pulley is already making noise, then sooner or later you will need to replace it. Replacing this and/or the "fan pull bracket" (tensioner) ... Anybody notice their topmost idler pulley making a rather disgusting sound? Mine sounds like it has sand in the bearings. I can hear it with the hood closed. If you believe the noise is coming from the pulley bearing; while its making noise spray some WD40 into the bearing. If the noise goes away then you have found ... With engine running using a spray bottle of water, spray some on belt. If noise temporary goes away, then you have a misaligned pulley, probably ... Comments211 · Squealing from front of your car or truck's engine, not belts? · TOP 7 SYMPTOMS OF A BAD DRIVE BELT TENSIONER | SIGNS DRIVE BELT ... Comments13 · How to test which pulley is making noise on a vehicle squealing whining loud · NEVER Use WD40 On Your Pulley.... · How to Fix a ... The engine belts will make a squealing noise when there is an issue with the idler pulley. It could be a worn-out surface or a pulley that gets ... need to quiet this customer's loud fan belt tensioner pulley. It's a simple trick to grease idler pulleys. Don't buy a new idler pulley for ... Spray the base of all pulleys (pulleys inside and outside the enclosure) with electrical contact cleaner or pressurized air to remove built up debris. If the belt is on the engine and the engine is operating there my be a rattling or metal on metal screeching sound.