Date: Sun, 1 Jul 2007 21:46:41 -0230 From: "Lazimodo" <wheeledBobnospamo.com> wrote in message news:n18283ta7cq2ej1p12hooicoll5bbepssqnospamcom... | On Mon, 25 Jun 2007 07:49:42 -0400, Fred W <malt_houndnospamo.com> | wrote: | | >Pull the belt off and manually rotate each device by hand. You should | >be able to tell which is the culprit. | | Pull and push them too, loose bearings are generally noticeable. You | will need to loosen the belt to feel the play - ask if you need | instructions on doing that. | | As Fred mentioned, there is the upper idler on the tensioner (which | they may have replaced) and I think the '99 still uses the center | idler pulley. Those usually last a long time. Note that it is not | unusual for the alternator bearing to have wear. Water pumps go too | but you can usually feel the bearings. | | I'm a little concerned about your PS pump if it was close to dry. It | could be damaged and making noise. | | Another trick is to use a mechanic's stethoscope, which you can buy | for short money at an auto parts store (usually under $20). Please be | exceedingly careful if you use it near a running engine - one wrong | move near the spinning belt and it becomes a flying weapon instead of | a useful tool.