Caution:A wrench must be used on the hex of the camshaft whenloosening or tightening in order to prevent component damage.Failure to prevent the torque reaction against the timing drivechain can lead to timing drive chain failure.
#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 ...