Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.
Remove the fill plug-(1).Installation Procedure
Clean the fill plug and apply adhesive GM-P/N-12345493 (Canadian-P/N-10953488) tothe threads.
Caution:Refer toFastener Caution.
Install the fill plug-(1) and tighten to 39-Y (29-lb-ft).Lower the vehicle.Cylinder Head Removal (LAF, LEA, or LUK) Engine Block Cylinder Head
Special ToolsEN 38188Cylinder Head Broken Bolt Extractor KitFor equivalent regional tools, refer toSpecial ToolsRemove the cylinder head to the block bolts insequence.Discard the bolts.Caution:In order to prevent damage to the valves and injectors duringcylinder head removal, set the cylinder head o ...