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$200 whine help

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Old Dec 30, 2003 | 03:41 PM
  #1  
matt0588's Avatar
matt0588
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From: Littleton, CO
$200 whine help

I need some help. I have a 98 explorer 5.0L that whines like a B.... at idle and louder at low to mid rpm. I have turned the steering wheel and the noise only changes because of the load on the engine not because of the pump. I can load the elec. system and change the noise, but again because of the load on the engine. Today I removed the belt and started it and had no noise, so I replaced the alternator and the belt because it was the loudest while listening through a screwdriver. I started it back up and the noise is still there. ($200 waste) I saw a couple threads of guys w/same problem but no results posted. I posted a thread about this a month ago and was told MAF, MAP, IAC, air filter but there is no noise w/belt off. Should I replace tensioner and idler pulleys (3) ? I hate throwing money away. Any help is appreciated.
 
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Old Dec 30, 2003 | 03:45 PM
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luckild
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With the belt off check each moving part, idlers,waterpump,alternator, ps pump, a/c or antthing else. Replace what is bad. Good luck.
 
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Old Dec 30, 2003 | 04:33 PM
  #3  
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CobraXP
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From: Fort Smith
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Matt - how many miles do you have? I would definitely look at the idler pulleys and tensioner first. Like luckild said, see if they are loose, or worn.

The tensioner is is my guess....


 
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Old Dec 30, 2003 | 05:26 PM
  #4  
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matt0588
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From: Littleton, CO
mileage is 83K, maintenance is unknown, just purchased at 80K and previous owner said it has always had this noise. ( you know how that goes) . there are no driveability problems, I am just worried that it will show itself when my wife is driving it home from work at night, or it will break and damage other things.
 
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Old Dec 30, 2003 | 10:21 PM
  #5  
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Blly177
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From: CT
pull the black canister off the IAC when they go they go they whine but you will probrally be better off replacing the iac
 
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Old Dec 31, 2003 | 02:24 AM
  #6  
87 XLT's Avatar
87 XLT
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From: SoCal
The way I found the racket on my 3.0 was by removing the fan & fan shroud & then using a piece of garden hose like a stethoscope to find a noisy idler pulley.
 
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