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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) >> Cylinder Head Installation - Left Side >> Installation Procedure

Installation Procedure

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  1. Ensure the cylinder head locating pins are securely mounted in the cylinder block deck face.
    2. Fig 1: View Of Left Cylinder Head Gasket
    GM902814Courtesy of GENERAL MOTORS CORP.
  2. Install a NEW left cylinder head gasket using the deck face locating pins for retention.
    3. Fig 2: View Of Left Cylinder Head
    GM902815Courtesy of GENERAL MOTORS CORP.
  3. Align the left cylinder head with the deck face locating pins.
  4. Place the left cylinder head in position on the deck face.
    5. Fig 3: View Of M11 Cylinder Head Bolts
    GM902816Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
    IMPORTANT: DO NOT allow oil on the cylinder head bolt bosses.
    IMPORTANT: DO NOT reuse the old M11 cylinder head bolts.
  5. Install new M11 cylinder head bolts.

    Tighten: 

    1. Tighten the M11 cylinder head bolts a first pass in sequence to 45 N.m (33 lb ft).
    2. Tighten the M11 cylinder head bolts a second pass in sequence an additional 120 degrees using the J 45059  .

  6. Install the 2 front M8 left cylinder head bolts.

    Tighten: 

    1. Tighten the M8 cylinder head bolts a first pass to 15 N.m (11 lb ft).
    2. Tighten the M8 cylinder head bolts a second pass in sequence an additional 60 degrees using the J 45059  .

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