Secondary Camshaft Drive Chain Replacement - Left

Secondary Camshaft Drive Chain Replacement- Left

^ Tools Required
- J 44212 Camshaft Holding Tool

Removal Procedure





1. Remove the right secondary camshaft drive chain.
2. Remove the left secondary drive chain tensioner.
3. Remove the left camshaft cover.
4. Ensure both camshaft sprocket drive pins are at the top of their rotation.

Caution: The camshaft holding tools must be installed on the camshafts to prevent camshaft rotation. When performing service to the valve train and/or timing components, valve spring pressure can cause the camshafts to rotate unexpectedly and can cause personal injury.





5. Install the J 44212 over the camshafts.





6. Use an open end wrench on the hex cast into the camshaft in order to prevent the camshaft from rotating when removing the camshaft sprocket bolt.





7. Remove the left intake camshaft sprocket bolt.
8. Slide the left intake camshaft sprocket off of the camshaft and remove the left secondary camshaft drive chain from the camshaft sprocket teeth.





9. Lift the left secondary camshaft drive chain from the camshaft intermediate drive shaft sprocket teeth.
10. Remove the left secondary camshaft drive chain from the engine.

Installation Procedure





1. Install the left secondary camshaft drive chain by sliding the chain down through the left cylinder head and placing the chain on the left exhaust camshaft sprocket.
2. Route the left secondary camshaft drive chain around the inner row of the camshaft intermediate drive shaft sprocket teeth.





3. Install the left intake camshaft sprocket into the left secondary camshaft drive chain.
4. Install the left intake camshaft sprocket onto the camshaft. The camshaft sprocket notch marked L1 (left intake) engages the intake camshaft pin.





5. Use an open end wrench on the hex cast into the camshaft in order to prevent the camshaft from rotating when tightening the camshaft sprocket bolt.

Notice: Refer to Fastener Notice in Service Precautions.

6. Install the left intake camshaft sprocket bolt.
^ Tighten the camshaft sprocket bolt to 120 Nm (89 ft. lbs.).





7. Remove the J 44212 from the camshafts.
8. Install the left camshaft cover.
9. Install the left secondary drive chain tensioner.
10. Install the right secondary camshaft drive chain.