Clean the crankshaft balancer-(1).Clean the belt grooves of all dirt or debris with a wirebrush.
Warning:Refer toSafety Glasses Warning.
Dry the crankshaft balancer with compressed air.Inspect the crankshaft balancer for the following:Worn, grooved, or damaged hub seal surfaceA crankshaft balancer hub seal surface with excessivescoring, grooves, rust or other damage must be replaced.Note:In order for the belt to track properly, the belt groovesshould be free of all dirt or debris.
Dirty or damaged belt groovesThe balancer belt grooves should be free of any nicks,gouges, or other damage that may not allow the belt to trackproperly.
Minor imperfections may be removed with a fine file.Worn, chunking or deteriorated rubber between the hub andpulley#09-00-89-016C: Warranty Administration - Labor Operation 0600014 - Suspected Tampering or Vehicle Modifications - (May 6, 2013)
Subject:Warranty Administration – Labor Operation 0600014 – Suspected Tampering or VehicleModificationsModels: 2014 and Prior GM Passenger Cars and Trucks This bulletin is being revised to add the 2014 model year and update the labor operation.Please discard Corporate Bulletin Number 09-00-8 ...