Primary Camshaft Drive Chain and Sprockets Replacement

Primary Camshaft Drive Chain and Sprockets Replacement

Special Tools

EN 46111 - Crankshaft Rotation Socket

For equivalent regional tools, refer to Special Tools Special Tools.

Removal Procedure

1. Remove the spark plugs in order to ease crankshaft/engine rotation. Refer to Spark Plug Replacement Service and Repair.

2. Remove the engine front cover. Refer to Engine Front Cover Replacement Service and Repair.

3. Remove the right bank secondary camshaft drive chain tensioner. Refer to Secondary Timing Chain Tensioner Removal - Right Side 13. Secondary Timing Chain Tensioner Removal - Right Side.

4. Remove the right bank secondary camshaft drive chain shoe. Refer to Secondary Camshaft Drive Chain Shoe Removal - Right Side 14. Secondary Camshaft Drive Chain Shoe Removal - Right Side.

5. Remove the right bank secondary camshaft drive chain guide. Refer to Secondary Timing Chain Guide Removal - Right Side 15. Secondary Timing Chain Guide Removal - Right Side.

6. Remove the right bank secondary camshaft drive chain. Refer to Secondary Camshaft Intermediate Drive Chain Removal - Right Side 16. Secondary Camshaft Intermediate Drive Chain Removal - Right Side.

7. Remove the primary camshaft drive chain tensioner. Refer to Primary Camshaft Intermediate Drive Chain Tensioner Removal 17. Primary Camshaft Intermediate Drive Chain Tensioner Removal.

8. Remove the primary camshaft drive chain upper guide. Refer to Primary Timing Chain Guide Removal - Upper 18. Primary Timing Chain Guide Removal - Upper.




9. Remove the primary camshaft timing chain. Refer to Secondary Camshaft Intermediate Drive Chain Removal - Right Side 16. Secondary Camshaft Intermediate Drive Chain Removal - Right Side.




10. Remove the crankshaft sprocket from the nose of the crankshaft.

Installation Procedure




1. Ensure the crankshaft sprocket is installed with the timing mark (1) visible.




2. Install the crankshaft sprocket on to the nose of the crankshaft.

3. Align the notch in the crankshaft sprocket with the pin in the crankshaft.

4. Slide the crankshaft sprocket on the crankshaft nose until the crankshaft sprocket contacts the step in the crankshaft.




5. Ensure the crankshaft is in the stage one timing position with the crankshaft sprocket timing mark (1) aligned to the stage one timing mark on the oil pump cover (2) using the EN 46111 - socket. Refer to Timing Chain Alignment Diagram Locations - Stage One.




6. Install the primary camshaft timing chain. Refer to Primary Camshaft Intermediate Drive Chain Installation 113. Primary Camshaft Intermediate Drive Chain Installation.

7. Install the primary upper camshaft drive chain guide. Refer to Primary Timing Chain Guide Installation - Upper 115. Primary Timing Chain Guide Installation - Upper.

8. Install the primary camshaft drive chain tensioner. Refer to Primary Camshaft Intermediate Drive Chain Tensioner Installation 116. Primary Camshaft Intermediate Drive Chain Tensioner Installation.

9. Install the right bank secondary camshaft drive chain. Refer to Secondary Camshaft Intermediate Drive Chain Installation - Right Side 117. Secondary Camshaft Intermediate Drive Chain Installation - Right Side.

10. Install the right bank secondary camshaft drive chain guide. Refer to Secondary Timing Chain Guide Installation - Right Side 118. Secondary Timing Chain Guide Installation - Right Side.

11. Install the right bank secondary camshaft drive chain shoe. Refer to Secondary Camshaft Drive Chain Shoe Installation - Right Side 119. Secondary Camshaft Drive Chain Shoe Installation - Right Side.

12. Install the right bank secondary camshaft drive chain tensioner. Refer to Secondary Timing Chain Tensioner Installation - Right Side 120. Secondary Timing Chain Tensioner Installation - Right Side.

13. Install the spark plugs. Refer to Spark Plug Replacement Service and Repair.

14. Install the engine front cover. Refer to Engine Front Cover Replacement Service and Repair.