Primary Camshaft Drive Chain Tensioner Installation

Tools Required

• EN 46105  Camshaft Locking Tool
• EN 46111  Crankshaft Rotation Socket
• EN 46112  Tensioner Retraction Pins
• J 45027  Tensioner Tool

Fig 1: Identifying Left & Right Secondary Camshaft Drive Chain Tensioner & Primary Camshaft Drive Chain Tensioner
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1. Ensure that the primary camshaft drive chain tensioner (3) is being installed.
Fig 2: Resetting Primary Camshaft Drive Chain Tensioner Plunger
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2. Using the J 45027  reset the primary camshaft drive chain tensioner plunger.
Fig 3: Installing Plunger Into Primary Camshaft Drive Chain Tensioner Body
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3. Install the plunger into the primary camshaft drive chain tensioner body.
Fig 4: Locking Primary Camshaft Drive Chain Tensioner
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4. Compress the plunger into the body and lock the primary camshaft drive chain tensioner by inserting the EN 46112  into the access hole in the side of the primary camshaft drive chain tensioner body.
5. Slowly release pressure on the primary camshaft drive chain tensioner. The primary camshaft drive chain tensioner should remain compressed.
Fig 5: Removing & Installing Primary Camshaft Drive Chain Tensioner Gasket
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6. Install a NEW primary camshaft drive chain tensioner gasket to the primary camshaft drive chain tensioner.
7. Install the primary camshaft drive chain tensioner bolts through the primary camshaft drive chain tensioner and gasket.
8. Ensure the primary camshaft drive chain tensioner mounting surface on the engine block does not have any burrs or defects that would degrade the sealing of the NEW primary camshaft drive chain tensioner gasket.
Fig 6: View Of Primary Camshaft Drive Chain Tensioners
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9. Place the primary camshaft drive chain tensioner into position and loosely install the bolts to the block.
Fig 7: Identifying Primary Camshaft Drive Chain Tensioner Gasket Tab
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NOTE: Refer to Fastener Notice in Cautions and Notices.
10. Verify the proper placement of the primary camshaft drive chain tensioner gasket tab (1).
    1. First Pass

       Tighten:  Tighten the primary camshaft drive chain tensioner bolts to 5 N.m (44 lb in).

    2. Final Pass

       Tighten:  Tighten the primary camshaft drive chain tensioner bolts to 23 N.m (17 lb ft).

Fig 8: Releasing Primary Camshaft Drive Chain Tensioner
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11. Release the primary camshaft drive chain tensioner by pulling out the EN 46112  and unlocking the tensioner plunger.
Fig 9: Identifying Primary And Left Secondary Camshaft Drive Chain Timing Mark Alignment
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12. Verify the primary and left secondary camshaft drive chain timing mark alignments (1-12) also refer to Camshaft Timing Drive Chain Alignment Diagram - Stage One.
Fig 10: Identifying EN 46105-1
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13. Remove the EN 46105-1 from the rear of the left camshafts.
Fig 11: Rotating Crankshaft & Crankshaft Sprocket From Stage One Alignment Position To Stage Two Alignment Position (2)
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14. Using the EN 46111  rotate the crankshaft and crankshaft sprocket from the stage one alignment position (1) to the stage two alignment position (2), 115 crankshaft degrees, in order to install the right secondary camshaft drive chain components.
Fig 12: Identifying EN 46105-2 Installed To Left Camshafts
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15. Install the EN 46105-2 onto the rear of the left camshafts.
Fig 13: Identifying EN 46105-1 Installed To Right Camshafts
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16. Install the EN 46105-1 onto the rear of the right camshafts.