LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Mechanical - 2.4L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Cylinder Head Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Cylinder Head And Gasket
    GM412427Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: DO NOT use any sealing material.
  1. Install the cylinder head gasket.
  2. Install the cylinder head.
  3. Lightly apply clean engine oil to the threads and the bottom side flange of the head bolts and allow the oil to drain before installing.
  4. Install NEW cylinder head bolts.
    5. NOTE: Refer to Fastener Notice .
    Fig 2: Identifying Cylinder Head Bolt Tightening Sequence
    GM412510Courtesy of GENERAL MOTORS CORP.
  5. Install and tighten the cylinder head bolts in the sequence shown.

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

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

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

  7. Install the timing chain. Refer to Timing Chain, Sprockets, and/or Tensioner Replacement .
  8. Install the exhaust manifold. Refer to Exhaust Manifold Replacement (RPO LE5) .
  9. Install the intake manifold. Refer to Intake Manifold Replacement .
  10. 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) .
scientia non olet · About LEMON Manuals