very strang whinning under the hood

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very strang whinning under the hood - 12/12/2007 8:38:46 AM    swmngimpee   Posts: 2 Joined: 12/12/2007 Status: offline 2003 3.9 magnam. about a week ago a whinning/squealing started in the engine bay. happens a multiple speeds can get it to do it anytime. first changed the air filter to a stock one. didnt change it. thinking it was the serp belt i replaced it because it near the 50000 mileage zone. does anybody have any ideas or questions so maybe i can diagnose it with out having to take it to the dealer thanks swmngimpee _____________________________ mike keyser Post #: 1

RE: very strang whinning under the hood - 12/12/2007 10:32:10 AM    Nicegy525   Posts: 304 Joined: 6/25/2007 Status: offline Check your pulleys for dirt or one of the may have seized.  Might be your compressor clutch (in reply to swmngimpee) Post #: 2

RE: very strang whinning under the hood - 12/12/2007 1:12:47 PM    swmngimpee   Posts: 2 Joined: 12/12/2007 Status: offline when i changed the serp belt i checked the pulleys for any kind of seizing they all moved freely (in reply to Nicegy525) Post #: 3

RE: very strang whinning under the hood - 12/12/2007 5:02:36 PM    w9awx Posts: 113 Joined: 10/26/2007 Status: offline It could be a few things.  First, some belts are ribbed, meaning there are a series of groves cut into the back side of the belt.  Some I know Good year for a while was doing that to some of their premium belts for cooling.  Was supposed to extend the life of the belt.  I think that none of the belt manufactures are doing that anymore, but just a thought.  Also, some new belts take time to wear in.  They will sometimes squeek for a couple of hundred miles until the belt is worn in and any oils from manufacturing wear off.  You did remember to wash the belt before installing it?  Not many people wash new belts anyways, so don't worry. It could be a bad bearing.  You could use the old timers trick of using a long handled screwdriver placed near the bearing area, making sure that no loose clothing is hanging down.  The screwdriver will amplify the sound of the rotating assembly makes inside whatever you are listening to.  It will help to track down where the noise is coming from. _____________________________ Gregg Waukesha, WI 2000 Dodge Dakota SLT Reg Cab 3.9L,4x4 (in reply to swmngimpee) Post #: 4

RE: very strang whinning under the hood - 12/13/2007 4:27:59 PM    Nicegy525   Posts: 304 Joined: 6/25/2007 Status: offline or just use a mechanics stethoscope to pinpoint the noise (in reply to w9awx) Post #: 5

RE: very strang whinning under the hood - 12/26/2007 11:40:54 AM    Truck Dude Posts: 381 Joined: 12/25/2007 Status: offline     i dont know it this will help but we have a chrysler in the family and it started making a whining sound when we turned the wheel, took it to the dealership and they said that its a common problem with chryslers..idk if it trickeled down to dodges but they said it was power steering making the noise, that its a common problem and not to worry about it.  Just my .02 _____________________________ 1996 Dodge Dakota 4x4 extended cab 5.2 V8 - muffler delete http://www.cardomain.com/ride/2975410 (in reply to Nicegy525) Post #: 6

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