Squealing my 2001 spectra has started sqealing constantly.i bought a new alternater and replaced all belts.any suggestions

sqealing usually drive belts , try spraying each belt seperately and lightly with WD 40 when squealing, whatever one stops sqealing get a new belt fitted

check the tension on the drive belt can be adjusted to be slack a good indication is when you start up you get a squealing noise from the loose belt, so re adjust, clean the battery terminals

it is the belt it is either to tight or not tight enough

Use a mechanic's stethoscope to locate the culprit sqeal. Have a technician rev the engine, in order to produce the squeal. Lay the stethoscope tip utop the water pump, nearest the armature. Locate squeal in this fashion against the idler pulley(if applicable), the alternator, the air conditioner compressor, power steering pump (if applicable), the cam shafts (if applicable), and finally the crank. This will help isolate the location of the squeal.

its more than likely the alternator drive belt needs re tensioning if its got aircon that belt may cause the same problem just get the drive belts checked and re tensioned

Without hearing the squealing the only things I could suggest would be the other rotating components in your system like the AC compressor/Water pump/ Power Steering pump. Could also be a bad tensioner. Hope this helps, good luck

More than likely the spring inside the tensioner is worn and it may need to be replaced.

above your water pump there is a small hose that runs into it there check it make sure it is not leaking that will make it squeal and its cheap doesnt take much water for the belt to slip so?

New belts tend to stretch after a week or two.Simply retighten the belt now that it has settled in & it will be fine.Was it the alternator belt?That is the most common one to sqeal after replacement.Hope this helps you.

right size belt ? cheap belt ? have battery tested