
Note:Ensure that the crankshaft is in the stage one timing driveassembly position.
Install the primary camshaft drive chain.
Wrap the primary camshaft drive chain around the largesprockets of each camshaft intermediate drive chain idler and thecrankshaft sprocket.

The left camshaft intermediate drive chain idler timingmark-(1) will align with a timing camshaft drive chainlink-(2).

The right camshaft intermediate drive chain idler timingmark-(2) will align with a timing camshaft drive chainlink-(1).

The crankshaft sprocket timing mark-(2) will alignwith a timing camshaft drive chain link-(1).

Ensure all the timing marks-(2, 3, 6) are properlyaligned with the timing camshaft drive chain links-(1,4, 5).
Flushing Engine Cooling
Setting Camshaft Timing Valvetrain Valvetrain Timing#03-08-46-004N: Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only) - (Aug 30, 2013)
Subject:Part Restriction and Ordering Process Information for OnStar® Vehicle CommunicationInterface Modules (VCIM) (GMNA Only)Models: 2012-2014 GM Cars and TrucksAll Equipped with OnStar® RPO UE1 This bulletin has been revised to add the 2014 model year and update ESC contact information.Please ...