by Crucible » Sun Oct 16, 2005 7:30 pm
Id say the noise through your speakers it electrical interferance, maybe Alternator? It shouldnt be related to you tightening the belt at all and was probley there before maybe?.
I take it the belt isnt perished, or oil soaked? Run a drylube stick or silicone on the belt....it may be glazed, if you aint got either then a crayon will work fine. If the noise doesnt change note - Tensioner, Waterpump or maybe Alternator bearings may need doing.
A dry or slipping belt will give more of a squeel wereas a worn bearing will be more of a rumble .
Tightening a belt will put more load on bearings and if they arnt the best to start with then the noise will become worse.
Hope this helps, Just my 2 cents
TNT