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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 652 (Engine Mechanical - 2.2L (L61)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Cylinder Head Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Cylinder Head And Gasket
    GM412427Courtesy of GENERAL MOTORS CORP.
  1. Install the cylinder head and gasket.
  2. Install NEW cylinder head bolts.
    3. NOTE: Refer to FASTENER NOTICE .
    Fig 2: Identifying Cylinder Head Bolt Tightening Sequence
    GM412510Courtesy of GENERAL MOTORS CORP.
  3. Tighten the cylinder head bolts in sequence.

    Tighten:  Tighten the cylinder head bolts to 30 N.m (22 lb ft) plus 155 degrees using J 45059  .

    4. Fig 3: Locating Front Cylinder Head Bolts
    GM412425Courtesy of GENERAL MOTORS CORP.
  4. Install the NEW front cylinder head bolts.

    Tighten:  Tighten the front cylinder head bolts to 35 N.m (26 lb ft).

  5. Install the timing chain. Refer to Timing Chain, Sprockets, and/or Tensioner Replacement .
  6. Install the exhaust manifold. Refer to Exhaust Manifold Replacement (RPO L61) .
  7. Lower the vehicle.
  8. Install the intake manifold. Refer to Intake Manifold Replacement .
  9. Fill the cooling system. Refer to Draining and Filling Cooling System (2.2L (L61), 2.4L (LE5)) or Draining and Filling Cooling System (GE 47716 Fill) .
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