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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 257 (Engine Mechanical - 4.0L (On-Vehicle)) >> Repair Instructions >> Cylinder Head Replacement - Left >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Make sure all the cylinder head locating pins are securely mounted in the cylinder block deck face.

    Important:  Failure to remove all the old thread sealant material from the cylinder block could cause false torque readings.

  2. Make sure any old thread sealant material is removed from the cylinder head bolt holes in the cylinder block.
    Fig 1: Locating Cylinder Head Locating Pins
    G01819521Courtesy of GENERAL MOTORS CORP.
  3. Install a new left cylinder head gasket using the deck face locating pins for retention.
    Fig 2: Installing Left Cylinder Head Gasket
    G01819522Courtesy of GENERAL MOTORS CORP.
  4. Align the cylinder head with the deck face locating pins.
  5. Place the cylinder head in position on the deck face.
    Fig 3: Installing Left Cylinder Head
    G01819523Courtesy of GENERAL MOTORS CORP.

    Important:  DO NOT reuse the old M11 cylinder head bolts.

  6. Install new M11 cylinder head bolts in the cylinder head.
  7. Install the M6 cylinder head bolts at the front of the cylinder head.
    Fig 4: Installing External Drive Bolts From Front Portion Of Cylinder Head
    G01819524Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer toFASTENER NOTICE .
  8. Tighten the left cylinder head bolts in the sequence shown.
    1. 8.1. First Pass

      Tighten 

      Tighten the left cylinder head M11 cylinder head bolts to 40 N.m (30 ft lbs) in the sequence shown.

    2. 8.2. Second Pass

      Tighten 

      Using the J 36660-A  , tighten the left cylinder head M11 cylinder head bolts an additional 70 degrees in the sequence shown.

    3. 8.3. Third Pass

      Tighten 

      Repeat the sequence turning each bolt another 60 degrees.

      Fig 5: Identifying Cylinder Head Bolt Tightening Sequence
      G01819525Courtesy of GENERAL MOTORS CORP.
    4. 8.4. Final Pass

      Tighten 

      Repeat the sequence again turning each bolt a final 60 degrees (total 190 degrees).

  9. Tighten the M6 bolts at the front of the cylinder head.

    Tighten 

    Tighten the M6 cylinder head bolts to 12 N.m (106 in lbs).

  10. Install the power steering return hose retaining bolt to the cylinder head.

    Tighten 

    Tighten the power steering return hose retaining bolt to 50 N.m (37 ft lbs).

    Fig 6: Installing Power Steering Return Hose Retaining Bolt
    G01819526Courtesy of GENERAL MOTORS CORP.
  11. Install the following subassemblies: