1991 Nissan 300ZX "replaced idler pulley squealing" Questions

replaced. It squeals for a few minutes at start up, then quiets. It also squeals when running the A/C. Any ideas? I would check belt tension and then Idler pulley bearing..If still nothing check the A

...idler pulley (belt for Poly-V A/C & Idler) on 2000 Nissan Pathfinder SE Model SE. Have changed all belts, one pulley, still squeals Pulleys also wear. You've changed the belts - a workshop would then ...

...idler pulley. Poor tension in the idler pulley spring will cause the belt to squeal AT THE ALTERNATOR, and it may sound like it's coming from the AC. The AC pulley typically "freewheels" when the AC ...

Replaced it and tension pulley. Still squeals. It still squeals, but stopped when I loosened it some. Squealed when I accelerated. Loosened it some more til it stopped. Now it's hot and trying to melt

my idler pulley isnt sitting correctly its tweaked and squeals brand new replacement and belt trying to eliminate squeal Bad bearing on idler pully? Replace pully.  

...replaced the idler pulley and the tensioner pulley last year. I also replaced the power steering pump, and the AC compressor. No noise until recently. I replaced the belt no squeal for 2 days. Squeal ...

...idler tension pulley? Can't afford to replace the idler tension pulley right now, but need to calm the annoying squeal coming from the engine. Is there anything I can lubricate? How exactly? ...

...replaced idler pulleys, fan belt, still doing it what could it be? i have tried everything to eliminate the squeal--- replace both idler pulleys and fanbelt, but it still does it all the time, any ...

...replaced the water pump did you check the bearings on the other pulleys? A lot of times when a pump goes out it will cause the belt to overheat and will make it necessary to clean the face of other ...

replaced, alternator, ac compressor, water pump. is it the pulley that puts tension on the belt? how can i tell? idler pulley or belt tensioner usually makes the squealing noise..put a long steel bar