Secondary Camshaft Intermediate Drive Chain Replacement - Left
Secondary Camshaft Intermediate Drive Chain Replacement - Left Side
Special Tools
J 44212 Camshaft Holding Tool
Removal Procedure
1. Remove the right secondary camshaft drive chain. Refer to Secondary Camshaft Intermediate Drive Chain Replacement - Right Side (Secondary Camshaft Intermediate Drive Chain Replacement - Right).
2. Remove the left secondary drive chain tensioner. Refer to Secondary Camshaft Intermediate Drive Chain Tensioner Replacement - Left Side (Secondary Camshaft Intermediate Drive Chain Tensioner Replacement - Left).
3. Remove the left camshaft cover. Refer to Camshaft Cover Replacement - Left Side (Camshaft Cover Replacement - Left Side).
4. Ensure both camshaft sprocket drive pins are at the top of their rotation.
Warning: Refer to Camshaft Holding Tool Warning (Camshaft Holding Tool Warning).
5. Install the J 44212 over the camshafts.
Caution: Refer to Torque Reaction Against Timing Drive Chain Caution (Service Precautions).
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.
11. Clean and inspect the camshaft timing drive components. Refer to Camshaft Timing Drive Components Cleaning and Inspection ().
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 LI (left intake) engages the intake camshaft pin.
Caution: Refer to Torque Reaction Against Timing Drive Chain Caution (Service Precautions).
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.
Caution: Refer to Fastener Caution (Fastener Caution).
6. Install the left intake camshaft sprocket bolt.
Tighten the camshaft sprocket bolt to 120 Nm (89 lb ft).
7. Remove the J 44212 from the camshafts.
8. Install the left camshaft cover. Refer to Camshaft Cover Replacement - Left Side (Camshaft Cover Replacement - Left Side).
9. Install the left secondary drive chain tensioner. Refer to Secondary Camshaft Intermediate Drive Chain Tensioner Replacement - Left Side (Secondary Camshaft Intermediate Drive Chain Tensioner Replacement - Left).
10. Install the right secondary camshaft drive chain. Refer to Secondary Camshaft Intermediate Drive Chain Replacement - Right Side (Secondary Camshaft Intermediate Drive Chain Replacement - Right).