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SVT Shelby GT500
Blower belt idler pulleys - are yours squealing?
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<blockquote data-quote="SCGallo2" data-source="post: 15891604" data-attributes="member: 160791"><p>Replaced my heavy load idler pulley yesterday and the squeal remains! It sounds like it is coming from the area occupied by the supercharger belt pulleys, so I am going for the accessory serpentine grooved belt idler on the passenger side which felt a little sluggish while spinning with the belt removed and also replacing the smooth serpentine belt idler on the driver's side, which are much less expensive than the s/c belt idlers. Basically every belt idler pulley will be replaced except for the accessory belt tensioner idler which is not suspect. Here are the part numbers I ordered in the order that I replaced them:</p><p></p><p>Supercharger Belt Idlers</p><p>1. VMP Aux Idler 90MM - 90IDLER</p><p>2. VMP HD S/C Belt Tensioner - VMPGT500HDT w/ 75MM Idler Pulley</p><p>3. Grooved Idler above A/C compressor - 4G7Z-6C348-AA</p><p>4. Smooth Heavy Load Idler - 7R3Z-8678-B</p><p></p><p>Accessory Drive Belt Idlers on order</p><p>1. Smooth idler - XR3Z-8678-BA</p><p>2. Grooved idler - YW7Z-8678-AA</p></blockquote><p></p>
[QUOTE="SCGallo2, post: 15891604, member: 160791"] Replaced my heavy load idler pulley yesterday and the squeal remains! It sounds like it is coming from the area occupied by the supercharger belt pulleys, so I am going for the accessory serpentine grooved belt idler on the passenger side which felt a little sluggish while spinning with the belt removed and also replacing the smooth serpentine belt idler on the driver's side, which are much less expensive than the s/c belt idlers. Basically every belt idler pulley will be replaced except for the accessory belt tensioner idler which is not suspect. Here are the part numbers I ordered in the order that I replaced them: Supercharger Belt Idlers 1. VMP Aux Idler 90MM - 90IDLER 2. VMP HD S/C Belt Tensioner - VMPGT500HDT w/ 75MM Idler Pulley 3. Grooved Idler above A/C compressor - 4G7Z-6C348-AA 4. Smooth Heavy Load Idler - 7R3Z-8678-B Accessory Drive Belt Idlers on order 1. Smooth idler - XR3Z-8678-BA 2. Grooved idler - YW7Z-8678-AA [/QUOTE]
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Blower belt idler pulleys - are yours squealing?
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