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SN95 Cobras
squeeling noise help!
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<blockquote data-quote="CJK440" data-source="post: 10358301" data-attributes="member: 43980"><p>Was there any changes to the front accesory drive system around when this started? </p><p></p><p>First thing I would do is check pulley alignment between the crank pulley and all the other grooved pulleys. Use a straightedge and a caliper to compare all the other grooved pulleys to the crank pulley.</p><p></p><p>If the pulleys are not aligned close enough, the 6 v shaped ribs end up meeting off center and "skidding" down the pulleys ribs as it runs. Basically like a constant belt burnout. :burn:</p><p></p><p>In my case, my belt noise started when a new shortblock was installed. For some reason, some tolerance stackup allowed the balancer to install to far on. I made a shim that I installed on the crank that spaced the balancer out enough to put it in-line.</p><p></p><p>After that, try a new belt but not before you fully clean and scuff all the pullies, ribbed and smooth to deglaze them.</p><p></p><p></p><p>More info.</p><p></p><p><a href="http://daycow.com/daycow.nsf/TroubleShootBeltNoises!OpenPage" target="_blank">Troubleshooting Belt Noises - by Dayco</a></p></blockquote><p></p>
[QUOTE="CJK440, post: 10358301, member: 43980"] Was there any changes to the front accesory drive system around when this started? First thing I would do is check pulley alignment between the crank pulley and all the other grooved pulleys. Use a straightedge and a caliper to compare all the other grooved pulleys to the crank pulley. If the pulleys are not aligned close enough, the 6 v shaped ribs end up meeting off center and "skidding" down the pulleys ribs as it runs. Basically like a constant belt burnout. :burn: In my case, my belt noise started when a new shortblock was installed. For some reason, some tolerance stackup allowed the balancer to install to far on. I made a shim that I installed on the crank that spaced the balancer out enough to put it in-line. After that, try a new belt but not before you fully clean and scuff all the pullies, ribbed and smooth to deglaze them. More info. [url=http://daycow.com/daycow.nsf/TroubleShootBeltNoises!OpenPage]Troubleshooting Belt Noises - by Dayco[/url] [/QUOTE]
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squeeling noise help!
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