If the belt has been tightened correctly it should be quiet. If the belt is making noise then you need a new belt. That soap and dressing is for used car guys to help in a fast sale. It is unlikely you will get the correct tension doing it with the screwdriver as tight as you can method. Harold McElraft - 3354 --- In dmcnews@xxxxxxxxxxxxxxx, "dmcjosh85" <dmcjosh85@xxxx> wrote: > I replaced my alternator about a month and a half ago and at first it > had the same noise. a constant high-pitched whistling noise followed > by a squealing scream when I gave it some gas. I didnt have to > replace the belt since the one I had there was already quite new from > the previous owner and looked to be in good condition. It took me a > little bit to think that the belt just isnt tight enough. So I got > under the car and using a long screw-driver I placed it inbetween the > alternator and the alternater housing bracket and just gave it some > good muscle. I got it as tight as it would go and had my grandpa > tighten the bolts so it locked it in place. After that the whistling > went away about...80% (only makes the sound during idle) id say and > the squealing when giving it some gas was completely gone. I did come > across a bottle of belt noise reducer in the garage and applied that > which greatly helped out. since than the noise is only a small > whistle when at idle and my voltage is consistant (even on a going > bad battery and a electrical guage that needs to be cleaned for > greater accuracy) > > I also heard that getting rid of that belt noise can be done by > getting a wet bar of soap and rubbing it on the the teeth of the belt > as the car runs. Not sure what to think of this method but its what > I've heard. > > Hope it helps! > Josh Tidwell > 04463 > > --- In dmcnews@xxxxxxxxxxxxxxx, "David Teitelbaum" <jtrealty@xxxx> > wrote: > > The belt should be toward the loose side but not so loose than when > > you try to turn the alternator pulley the belt will slip allowing > you > > to turn the pulley. Much tighter than that and you will kill the > > bearings in the water pump and the alternator. It sounds like your > > alternator could be out-of-alignmnet. Vee belts do not like > > misalignment, everything MUST be in the same plane. Check with a > > string or a straightedge. Also make sure the belt is correct. It > > should not be riding on it's bottom, ONLY the sides of the "vee". It > > is also possible you have a problem with the alternator or the > water pump. > > David Teitelbaum > > vin 10757 > > > > > > > > --- In dmcnews@xxxxxxxxxxxxxxx, "Robert Lingo" <rlingo@xxxx> wrote: > > > How tight must the alternator belt be? I had a belt beak on me > once. > > Here's > > > what happened: I started the car after it had sat for over eight > hours > > > (while I was at work). It ran very rough after starting. When I > > pressed the > > > accelerator I heard the belt squeal a couple of times. All of a > > sudden a > > > To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/