Primary Camshaft Drive Chain Tensioner Installation (Fourth Design)

Special Tool 

EN 46105 Camshaft Locking Tool 

EN 46111 Crankshaft Rotation Socket 

EN 46112 Tensioner Retraction Pins 

J 45027 Tensioner Tool 

Fig 1: Identifying Primary Camshaft Drive Chain Tensioner

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1. Ensure that the primary camshaft drive chain tensioner (3) is being installed.
   Fig 2: Identifying 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: Inserting EN 46112 Into Access Hole Of Primary Camshaft Drive Chain Tensioner Body

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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: Identifying Primary Camshaft Drive Chain Tensioner, Gasket & Bolt

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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: Identifying Primary Camshaft Drive Chain Tensioner & Bolts

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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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   CAUTION: Refer to FASTENER NOTICE .
10. Verify the proper placement of the primary camshaft drive chain tensioner gasket tab (1).
    1. First Pass

       Tightening torque 

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

    2. Final Pass

       Tightening torque 

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

       Fig 8: Identifying 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 & Left Secondary Camshaft Drive Chain Timing Mark

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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 (THIRD DESIGN)  and CAMSHAFT TIMING DRIVE CHAIN ALIGNMENT DIAGRAM (FOURTH DESIGN)  - Stage One.
    Fig 10: Identifying Special Tool (EN 46105-1)

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13. Remove the EN 46105-1 from the rear of the left camshafts.
    Fig 11: Identifying Crankshaft Sprocket Mark

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14. Using the EN 46111, rotate the crankshaft and crankshaft sprocket from the stage 1 alignment position (1) to the stage 2 alignment position (2), 115 crankshaft degrees, in order to install the right secondary camshaft drive chain components.
    Fig 12: Identifying EN 46105-2 Onto Rear Of 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 Onto Rear Of Right Camshafts

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16. Install the EN 46105-1 onto the rear of the right camshafts.

    Reference: SECONDARY CAMSHAFT DRIVE CHAIN INSTALLATION - RIGHT SIDE (FOURTH DESIGN) .