2001 Toyota 4Runner "alternator squeal under load" Questions

...squeal/tighten sequence until I snap a belt or burn-out an alternator. The car has been super reliable other than this. check all the pulleys for alignment and wear, Also check the alternator output ...

...squeal and slip? If you have a 4cyl then the belts for PS and alternator are separate. Taking a peek under the hood when the engine is running should give you a better idea if a belt is slipping, ...

...squeal is crazy. you should probably take it back to him and make him fix it right. sounds like there is still a problem there if your gauge is dropping to 9volts and your belt is sqealing, then ...

...Alternator, A/C Clutch and Water Pump pulley's and see if you hear the squeal. Its possibly it may have to be under a load before you hear it but its worth a try. It's also possible it could have ...

system. The accessory belt (runs more than the alternator) will squeal when under no load like park or neutral. If the bearings/bushings fail in any accessory on the belt path the same noise can occur

...alternator grooved pulleys thinking there might be burrs eating the main serpentine drive belt but they all appear to be fine. Alignment of all pulleys and both belts are good. I don't know what to ...

...alternator belt as it is either worn or loose. Check your engines serpentine belt. It sounds like it has a defect and the squealing sound is heard when it slips while under an increased load. The ...

...squeal" (in an aerosol from any parts supply shop) onto the serpentine belt. If the noise stops you have identified the source. Also lube the spring-loaded device that tensions the belt. Turn off the ...

...under load. Hi and welcome to FixYa! The alternator may be near it's break point. The battery light lits up as a warning. Prepare for replacement soon. Hope this helps and thank you for using

...squeal. It last for 10 seconds and then goes away. It usually only happens in cold or rainy weather. Do you know what is going on and what I should do about it? It could be as simple as a loose or ...