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Corvette
C5 Forum
Changing plugs and wires
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<blockquote data-quote="ve2yzb" data-source="post: 17676" data-attributes="member: 818"><p>Ok ...Thanks alot for that helpful info...and one more Question ... I just read this thread on pulley sqeaking or belt ..... When I bought my C5 the owner told me it sqeaked when it was cold and at idle only, when warm no more sqealling ...He replaced the belt twice but no change.... This is what I read on you this forum ( If it is still the factory balancer than it is most likely not the bolt but rather the pulley . The factory pulley has an elastomer center that seperates and causes the pulley to wobble . Shine a flashlight at the pulley and see if it is spinning true or wobbling .</p><p></p><p></p><p>If it wobbles you will need to have it replaced for sure and sooner than later.</p><p></p><p>Thx</p><p>Manny@E.C.P</p><p>Reply With Quote )</p><p></p><p> DO you think it might be my problem too or is it just natural for this to happen ?? And what pulley is it ? The crank shaft balancer pulley?</p><p>Sorry I didn't use the quote...</p><p></p><p>Here is something I have on my CD...</p><p></p><p></p><p>Technical - Accessory Drive Squeak (Replace Idler Pulley) #99-06-01-007 - (May 7, 1999)</p><p>Accessory Drive Squeak (Replace Idler Pulley)</p><p>1997 - 1999 Chevrolet Corvette</p><p></p><p>1998 - 1999 Chevrolet Camaro</p><p></p><p>1998 - 1999 Pontiac Firebird</p><p></p><p>with 5.7 L Engine (VIN G - RPO LS1)</p><p></p><p>Condition</p><p>Some customers may comment on a squeak noise coming from the engine or accessory drive while the engine is running . This squeak may vary in volume and may be heard inside the vehicle with the windows up and the radio on.</p><p></p><p>Cause</p><p>The idler pulley dust shield may distort during assembly due to torquing of the mounting bolt. This distortion may cause the idler pulley dust shield to contact the bearing race and the pulley resulting in the squeak noise.</p><p></p><p>Correction</p><p></p><p> </p><p></p><p></p><p>A new idler pulley assembly is available with a thicker dust shield to prevent the distortion of the dust shield. The previous dust shield thickness is 0.61 mm. The new dust shield thickness is 1.37 mm.</p><p></p><p></p><p>Important</p><p>Do not over-torque the mounting bolt or the condition may reoccur. </p><p>Do not use pneumatic or electric tools for installation of the idler pulley assembly. </p><p></p><p>Tighten</p><p>Torque the idler pulley bolt to 50 N</p></blockquote><p></p>
[QUOTE="ve2yzb, post: 17676, member: 818"] Ok ...Thanks alot for that helpful info...and one more Question ... I just read this thread on pulley sqeaking or belt ..... When I bought my C5 the owner told me it sqeaked when it was cold and at idle only, when warm no more sqealling ...He replaced the belt twice but no change.... This is what I read on you this forum ( If it is still the factory balancer than it is most likely not the bolt but rather the pulley . The factory pulley has an elastomer center that seperates and causes the pulley to wobble . Shine a flashlight at the pulley and see if it is spinning true or wobbling . If it wobbles you will need to have it replaced for sure and sooner than later. Thx Manny@E.C.P Reply With Quote ) DO you think it might be my problem too or is it just natural for this to happen ?? And what pulley is it ? The crank shaft balancer pulley? Sorry I didn't use the quote... Here is something I have on my CD... Technical - Accessory Drive Squeak (Replace Idler Pulley) #99-06-01-007 - (May 7, 1999) Accessory Drive Squeak (Replace Idler Pulley) 1997 - 1999 Chevrolet Corvette 1998 - 1999 Chevrolet Camaro 1998 - 1999 Pontiac Firebird with 5.7 L Engine (VIN G - RPO LS1) Condition Some customers may comment on a squeak noise coming from the engine or accessory drive while the engine is running . This squeak may vary in volume and may be heard inside the vehicle with the windows up and the radio on. Cause The idler pulley dust shield may distort during assembly due to torquing of the mounting bolt. This distortion may cause the idler pulley dust shield to contact the bearing race and the pulley resulting in the squeak noise. Correction A new idler pulley assembly is available with a thicker dust shield to prevent the distortion of the dust shield. The previous dust shield thickness is 0.61 mm. The new dust shield thickness is 1.37 mm. Important Do not over-torque the mounting bolt or the condition may reoccur. Do not use pneumatic or electric tools for installation of the idler pulley assembly. Tighten Torque the idler pulley bolt to 50 N [/QUOTE]
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Corvette
C5 Forum
Changing plugs and wires
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