Secondary Camshaft Drive Chain Installation - Left Side (Third Design)

Special Tool 

EN 46105 Camshaft Holding Tool 

EN 46111 Crankshaft Rotation Socket 

Fig 1: Identifying EN 46105-1 Onto Rear Of Left Camshafts

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1. Install the EN 46105-1 onto the rear of the left camshafts.
   NOTE: All camshafts must be locked in place before installation of any camshaft drive chains.
2. Ensure that the EN 46105-1 is fully seated onto the camshafts.
   Fig 2: Aligning Timing Mark On Crankshaft Sprocket Timing Mark & Oil Pump Cover

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3. 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. Refer to CAMSHAFT TIMING DRIVE CHAIN ALIGNMENT DIAGRAM (THIRD DESIGN)  and CAMSHAFT TIMING DRIVE CHAIN ALIGNMENT DIAGRAM (FOURTH DESIGN)  - Stage One.
   Fig 3: Identifying Left Secondary Camshaft Drive Chain

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4. Install the left secondary camshaft drive chain.
   Fig 4: Identifying Timing Camshaft Drive Chain Link

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5. Place the left secondary camshaft drive chain around the inner sprocket of the left camshaft intermediate drive chain idler with the timing camshaft drive chain link (1) aligned to the alignment access hole (2) made in the left camshaft intermediate drive chain idler outer sprocket.
   Fig 5: Identifying Timing Camshaft Drive Chain Link Mark (1 Of 4)

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6. Wrap the secondary camshaft drive chain around both left actuator drive sprockets.
7. Ensure there are 7 links (1) between the timing camshaft drive chain links for the camshaft position actuator sprockets.
   Fig 6: Identifying Timing Camshaft Drive Chain Link Mark (2 Of 4)

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CAUTION: Engine camshaft timing drive system has 2 different designs. Prior to performing repair procedures, refer to CAMSHAFT TIMING DRIVE DESIGN IDENTIFICATION . Ensure engine is in the correct stage (one or two).
Fig 7: Identifying Timing Camshaft Drive Chain Link Mark (3 Of 4)
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8. Align the left exhaust camshaft position actuator sprocket alignment circle mark (2) with the timing camshaft drive chain link (1).
9. Align the left intake camshaft position actuator sprocket alignment circle mark (1) with the timing camshaft drive chain link (2).
   Fig 8: Identifying Timing Camshaft Drive Chain Link Mark (4 Of 4)

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10. There will be 18 links (1) between the left camshaft intermediate drive chain idler timing secondary camshaft drive chain link and each left camshaft position actuator sprocket timing secondary camshaft drive chain link.

    Reference: SECONDARY CAMSHAFT DRIVE CHAIN GUIDE INSTALLATION - LEFT SIDE (THIRD DESIGN) .