Camshaft Cover Installation - Left Side

Reference: CAMSHAFT COVER ASSEMBLE .

Special Tool 

EN 46101 Spark Plug Tube Seal Guide 

EN 46105 Camshaft Locking Tool 

Fig 1: Identifying Special Tool (EN 46105-2)

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1. Remove the EN 46105-2 from the rear of the left camshafts.
   Fig 2: Identifying Special Tool (EN 46101)

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2. Install the EN 46101 onto the spark plug tubes of the left cylinder head.
   Fig 3: Identifying Camshaft Cover Bolt Grommets

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3. Install the camshaft cover bolt grommets prior to installing the camshaft cover bolts.
4. Wipe the camshaft cover sealing surface on the left cylinder head with a clean, lint-free cloth.
   Fig 4: Placing Bead Of RTV Sealant On Engine Front Cover Split Lines

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5. Place a bead 8 mm (0.3150 in) in diameter by 4 mm (0.1575 in) in height of RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent, on the engine front cover split lines (1).
   Fig 5: Identifying Left Camshaft Cover

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6. Place the left camshaft cover into position onto the left cylinder head.
   Fig 6: Identifying Left Camshaft Cover Bolts

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7. Loosely install the left camshaft cover bolts.
   Fig 7: Tightening Left Camshaft Cover Bolts

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   CAUTION: Refer to FASTENER NOTICE .
8. Tighten the left camshaft cover bolts in the sequence shown in Fig 7.

   Tightening torque 

   Tighten the left camshaft cover bolts in the sequence to 10 N.m (89 lb in)  .

   Fig 8: Identifying Spark Plugs (1 Of 2)

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9. Remove the EN 46101 from the spark plug tubes of the left cylinder head.
   Fig 9: Identifying Spark Plugs (2 Of 2)

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10. Install the NEW spark plugs into the left cylinder head.

    Tightening torque 

    Tighten the spark plugs to 20 N.m (15 lb ft)  .

    Fig 10: Identifying Ignition Coils

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11. Install the ignition coils.
    Fig 11: Identifying Ignition Coil Bolts

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12. Install the ignition coil bolts.

    Tightening torque 

    Tighten the ignition coil bolts to 10 N.m (89 lb in)  .

    Reference: CAMSHAFT COVER INSTALLATION - RIGHT SIDE] .