Special Tools

1. Remove the left actuator housing. DO NOT remove the camshaft position (CMP) actuator solenoids from the housing. Refer to Camshaft Position Actuator Housing Replacement - Left Side.
2. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement.

Note: The secondary timing chain has black links which are used for alignment when the primary and secondary timing gear and chain assemblies are being installed together. IT IS NOT NECESSARY for the black chain links to be aligned with the camshaft actuator timing marks when the secondary chain and gear components are being serviced separately.

3. Using the J 39946 , rotate the crankshaft until both Bank 2 (left) camshaft (CMP) actuator timing marks are perpendicular (90 degrees) to the cylinder head dock surface and near the top of their rotation.

Warning: Refer to Camshaft Holding Tool Warning in the Preface section.




4. Install the EN 46328  (1).



5. Install the EN 46327  (1, 2, 3, 4) using the procedure below:



6. Use a paint stick to create a mark on the timing chain link (1) adjacent to each camshaft position actuator timing mark (2, 3).



7. Use an open end wrench on the hex cast into the left exhaust camshaft to prevent the camshaft from rotating when loosening the camshaft oil control valve.
8. Loosen and remove the left exhaust oil control valve.

1. Rotate the wing nut (3) of the EN 46327 to the top of its travel.



2. Position the bottom retention tool on the cylinder head with the V-notch of the block (1) adjacent to the left exhaust camshaft actuator timing sprocket and chain as shown.



3. Insert the hook end (1) into a secondary timing chain link as shown.



4. Rotate the wing nut until it contacts the retention tool block (1). DO NOT tighten the wing nut at this time.



5. Rotate the wing nut (3) of the EN 46327 to the top of its travel.



6. Position the top retention tool on the cylinder head with the V-notch of the block (1) adjacent to the left intake camshaft actuator timing sprocket and chain as shown.



7. Insert the hook end (2) into a secondary timing chain link as shown.



8. Rotate the wing nut until it contacts the retention tool block (1). DO NOT tighten the wing nut at this time.



9. Tighten the EN 46327 wing nut against the retention tool block (1).



10. Tighten the EN 46327 wing nut to provide slack in the secondary timing chain (2, 3) between the two camshaft actuators as shown.

1. Install the oil control valve through the opening in the left exhaust camshaft position actuator and thread it into the left exhaust camshaft.



2. Ensure both camshaft actuator timing marks (2, 4) are aligned with the paint marks (1, 3) on the secondary timing chain previously created.

Caution: Refer to Fastener Caution in the Preface section.




3. Use an open end wrench on the hex cast into the left exhaust camshaft to prevent the camshaft from rotating when tightening the camshaft oil control valve to 120 N·m (89 lb ft).



4. Remove the EN 46327  (1, 2, 3, 4).



5. Remove the EN 46328  (2).
6. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement.



7. Install the left camshaft actuator housing. Refer to Camshaft Position Actuator Housing Replacement - Left Side.