Secondary Camshaft Drive Chain Installation - Left

Tools Required

• EN 46105  Camshaft Holding Tool
• EN 46111  Crankshaft Rotation Socket

Fig 1: EN 46105 Installed To Camshafts
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IMPORTANT: There should be no need to rotate the camshaft more than 10 degrees. Using the hex cast into the camshaft rotate the camshaft in order to install the EN 46105  .
1. Install the EN 46105-1 onto the rear of the left camshafts.
IMPORTANT: 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: Identifying Stage One Timing Drive Assembly Position
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3. Ensure that the crankshaft is in the stage one timing drive assembly position using the EN 46111  . Refer to Camshaft Timing Drive Chain Alignment Diagram Stage One.
Fig 3: View Of Left Bank Secondary Camshaft Drive Chain
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4. Install the left secondary camshaft drive chain.
Fig 4: Identifying Left Secondary Camshaft Drive Chain Link & Intermediate Drive Chain Idler Alignment Access Hole
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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: Aligning Timing Camshaft Drive Chain Links With The Camshaft Position Actuator Sprockets
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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: Aligning Left Exhaust Camshaft Position Actuator Sprocket Alignment Circle Mark With The Timing Camshaft Drive Chain Link
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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).
Fig 7: Aligning Left Intake Camshaft Position Actuator Sprocket Alignment Circle Mark (1) With The Timing Camshaft Drive Chain Link
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9. Align the left intake camshaft position actuator sprocket alignment circle mark (1) with the timing camshaft drive chain link (2).
Fig 8: Identifying 18 Links Between Left Camshaft Intermediate Drive Chain Idler Timing Secondary Camshaft Drive Chain Link & Left Camshaft Position Actuator Sprocket Timing Secondary Camshaft Drive Chain Link
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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.