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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 2.0L (LTG) - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Cylinder Head Replacement >> Installation Procedure

Installation Procedure

  1. For cylinder head assemble. Refer to Cylinder Head Assemble .
    2. Fig 1: Cylinder Head Bolts
    GM2726774Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do not use any sealing material.

  2. Install the cylinder head gasket (3) to the block.
  3. Install the cylinder head (2). Ensure the number 1 cylinder is at top dead center (TDC). The key on the crankshaft should be on top in the 12 o'clock position.
    4. Fig 2: Cylinder Head Bolt Tightening Sequence
    GM2726776Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Always use NEW cylinder head bolts.

  4. Install the cylinder head bolts.
    1. First Pass:  tighten the bolts in sequence to 30 N.m (22 lb ft).
    2. Final Pass:  tighten the bolts an additional 190 degrees in sequence using the EN 45059  meter.
    5. Fig 3: Engine Lift Bracket
    GM3789765Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Support engine as necessary from underneath while repositioning the engine support fixture. Refer to Engine Support Fixture .

  5. Reposition the engine support fixture lift hook from the J-36857  Engine Lift Bracket (2) to the engine lift bracket (3).
  6. Remove the J-36857  Engine Lift Bracket (2) and fastener (1) from the engine block.
  7. Install the camshaft position actuator and camshaft - Intake. Refer to Camshaft Position Actuator and Camshaft Replacement - Intake .
  8. Install the engine front cover. Refer to Engine Front Cover Replacement .
  9. Install the exhaust manifold. Refer to Exhaust Manifold Replacement (LTG) .
  10. Install the intake manifold. Refer to Intake Manifold Replacement .
  11. Install the camshaft cover. Refer to Camshaft Cover Replacement .
  12. Refill the engine with NEW oil. Refer to Engine Oil and Oil Filter Replacement .
  13. Refill the coolant system. Refer to Cooling System Draining and Filling (GE 47716) .
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