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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Mechanical - 3.6L (5 Of 5)) >> Off-Vehicle Repair Instructions (3 Of 3) >> Engine Front Cover Installation (Fourth Design) >> Installation Procedure

Installation Procedure

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    Fig 1: Identifying Cylinder Block Guide Studs
    GM1857562Courtesy of GENERAL MOTORS CORP.
  1. Install the 8 mm (0.315 in) guide from the EN 46109  into the cylinder block positions as shown. See Special Tools .
    2. Fig 2: Identifying Water Pump Seal
    GM1211002Courtesy of GENERAL MOTORS CORP.
  2. Install the NEW engine front cover to cylinder block seal.
    3. Fig 3: Applying Sealant To Engine Front Cover
    GM902868Courtesy of GENERAL MOTORS CORP.
  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 (1).
    4. Fig 4: Identifying Engine Front Cover
    GM1863231Courtesy of GENERAL MOTORS CORP.
  4. Place the engine front cover onto the EN 46109  and slide into position. See Special Tools .
  5. Remove the EN 46109  from the cylinder block. See Special Tools .
    6. Fig 5: View Of Engine Front Cover Deadener
    GM1863233Courtesy of GENERAL MOTORS CORP.
  6. Install the engine front cover deadener.
    7. Fig 6: Identifying Engine Front Cover Bolts
    GM1863235Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice
  7. Loosely install the engine front cover bolts to hold the engine front cover deadener into position.
    8. Fig 7: Identifying Remaining Engine Front Cover Bolts
    GM1863236Courtesy of GENERAL MOTORS CORP.
  8. Loosely install the remaining engine front cover bolts.
    9. Fig 8: Identifying Engine Front Cover Bolt Tightening Sequence
    GM1863239Courtesy of GENERAL MOTORS CORP.
  9. Tighten the engine front cover bolts in the sequence shown (1-22).

    Tighten: 

    1. Tighten the engine front cover bolts a first pass in sequence to 20 N.m (14 lb ft).
    2. Tighten the engine front cover bolts a second pass in sequence an additional 60 degrees.

    10. Fig 9: Identifying Camshaft Position Actuator Valves & Bolts
    GM1863221Courtesy of GENERAL MOTORS CORP.
  10. Place the camshaft position actuator valves in position on the front cover.
  11. Install the camshaft position actuator valve bolts.

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

    12. Fig 10: Identifying Camshaft Position Sensors & Bolts
    GM1863212Courtesy of GENERAL MOTORS CORP.
  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.

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

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