whine from around belt at idle

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whine from around belt at idle - 4/7/2008 11:11:01 PM    bigscott   Posts: 4 Joined: 4/7/2008 Status: offline 98 range rover has a whine or whisle at idle after it warms up.  The noise goes away when you excerlate the enging and then comes back after it goes to idle again.  The car has 100,000 miles on it. Thanks for any input. Post #: 1

RE: whine from around belt at idle - 4/8/2008 4:14:52 AM    WolfPack Posts: 389 Joined: 1/3/2008 Status: offline Take a big jug of water, and pour it onto each pully...if the whine goes away with the water, then you found the source of your squeak.  It could be the belt slipping on the pulley, and you need a new belt, or it could be the pully going out causing the slip!  Either way, you should isolate the slip, and then replace the belt as per standard maintenance if it has not been done recently, and if it's the pulley, well you should probably fix that too. And keep it to one post please...no reason you need 2 threads on one problem. _____________________________ 2001 Range Rover 4.6 SE - Coil Sprung 2000 Chevy Blazer 4x4 4.3L V6 - The Beast (in reply to bigscott) Post #: 2

RE: whine from around belt at idle - 4/8/2008 5:40:20 AM    Disco Mike Posts: 9291 Joined: 4/27/2006 Status: offline First, is your belt new, is it cracked? I would suggest you remove the belt, spin each pulley, feel for a roughness or listen for a noise. You will see a couple of place pulleys, idler pulleys, iof they haven't been replace, replace them as well as the pulley on the belt tensioner. _____________________________ Mike Retired service manager. Member of the Solihull Society, NCLR club,past member of the SCLR club and Santa Barbara 4 Wheelers. 99 D2, 3" lift, lockers, H.D. axles, 4:11 gears, Custom front and rear bumpers, Warn winch, HID lights and an Engel 45. (in reply to WolfPack) Post #: 3

RE: whine from around belt at idle - 4/8/2008 7:54:32 PM    bigscott   Posts: 4 Joined: 4/7/2008 Status: offline The belt is only about 5000 miles old.  The whine is more like a bering or a vaccum leak.  It a leak is possible.  Is it possible that it could be the alternator or the water pump starting to go out.  I will try the water on the idler pulleys to see if it is it.   bigscott (in reply to bigscott) Post #: 4

RE: whine from around belt at idle - 4/9/2008 5:30:44 AM    Disco Mike Posts: 9291 Joined: 4/27/2006 Status: offline Water will blow all over the place, remove the belt and spin each bearing by hand. _____________________________ Mike Retired service manager. Member of the Solihull Society, NCLR club,past member of the SCLR club and Santa Barbara 4 Wheelers. 99 D2, 3" lift, lockers, H.D. axles, 4:11 gears, Custom front and rear bumpers, Warn winch, HID lights and an Engel 45. (in reply to bigscott) Post #: 5

RE: whine from around belt at idle - 4/9/2008 7:19:31 AM    WolfPack Posts: 389 Joined: 1/3/2008 Status: offline Wear a raincoat then  _____________________________ 2001 Range Rover 4.6 SE - Coil Sprung 2000 Chevy Blazer 4x4 4.3L V6 - The Beast (in reply to Disco Mike) Post #: 6

RE: whine from around belt at idle - 4/11/2008 8:48:53 PM    bigscott   Posts: 4 Joined: 4/7/2008 Status: offline I found out where the whine was coming from.  I used a wood rod to scope the noise.  It was comming from the alternator.  The bering was squeling like a pig.  Thanks for all of the input Bigscott (in reply to bigscott) Post #: 7

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