Eliminate the Rumbling Expert Guide to Idler Pulley Noise

Should be no noise, should be smooth and no slop. All of the items that touch the belt except the crank pulley can make noise that changes with ... Idler pulleys are engine pulleys that are responsible for guiding and tensioning the engine drive belts. If your idler pulley is worn and ... Right! Especially the alternator pulley. Often the alternator pulley goes, which trashes the tensioner. Would be good to replace the idler ... If it's squealing when it's cold it's probably not the idler but drag from the PS pulley. Takes a while for the fluid to warm up and flow. Replace Idler Pulley: • Idler Pulley, How to r... Replace Tensioner Pulley: • Belt Tensioner Pulley,... WD40 to quiet the belt: • How to ... Probably a bad bearing in one of the idler pulleys. Remove the belts one at a time and start the engine. When the noise goes away, you know ... A lot of times that little idler pulley will give you all kinds of little signs that it's going to go bad. You hear squeaking, squealing, ... this is just to show that noise in the first video and ... Went to advance auto to get 3 pulleys on the diagram it was the #1 upper idler ... I'm trying to track down a noise from what I think is coming from an islet pulley or the tensioner pully on the serpentine belt. It's kind of a cross between a ... Misalignment – Misaligned pulleys will cause belt chirp noise problems and are caused by worn bearings. Cracked or Broken Pulley – Check for obvious physical ...