Engine Front Cover Installation (Fourth Design)

Reference: ENGINE FRONT COVER ASSEMBLE .

Special Tool 

EN 46109 Guide Pins 

Fig 1: Identifying Special Tool (EN 46109)

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1. Install the 8 mm (0.315 in) guide from the EN 46109 into the cylinder block positions as shown in Fig 1.
   Fig 2: Identifying Cylinder Block Seal

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2. Install the NEW engine front cover to cylinder block seal.
   Fig 3: Placing Bead Of RTV Sealant On Engine Front Cover

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3. Place a 3 mm (0.118 in) bead of RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent, on the engine front cover as shown in Fig 3 (1).
   Fig 4: Identifying Engine Front Cover

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4. Place the engine front cover onto the EN 46109 and slide into position.
5. Remove the EN 46109 from the cylinder block.
   Fig 5: Identifying Engine Front Cover Deadener

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6. Install the engine front cover deadener.
   Fig 6: Identifying Engine Front Cover Bolts

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   CAUTION: Refer to FASTENER NOTICE .
7. Loosely install the engine front cover bolts to hold the engine front cover deadener into position.
   Fig 7: Identifying Engine Front Cover Bolt

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8. Loosely install the remaining engine front cover bolts.
   Fig 8: Tightening Engine Front Cover Bolts

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9. Tighten the engine front cover bolts in the sequence shown in Fig 8 (1-22).

   Tightening torque 

   Tighten the engine front cover bolts in the sequence to 23 N.m (17 lb ft)  .

   Fig 9: Identifying Camshaft Position Actuator Valves

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10. Place the camshaft position actuator valves in position on the front cover.
11. Install the camshaft position actuator valve bolts.

    Tightening torque 

    Tighten the camshaft position actuator valve bolts to 10 N.m (89 lb in)  .

    Fig 10: Identifying Camshaft Position Sensors

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12. Install NEW O-rings on the camshaft position sensor.
13. Place the camshaft position sensors in position on the front cover.
14. Install the camshaft position sensor bolts.

    Tightening torque 

    Tighten the camshaft position sensor bolts to 10 N.m (89 lb in)  .

    Reference: WATER PUMP INSTALLATION .