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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine Mechanical - 4.6L - 1 Of 4) >> On-Vehicle Repair Instructions (1 Of 2) >> Cylinder Head Replacement - Right Side >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Cylinder Head Locating Pins
    GM522821Courtesy of GENERAL MOTORS CORP.
  1. Make sure the locating pins are securely mounted in the cylinder block deck face.
    2. 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.
    3. Fig 2: View of Right Cylinder Head Gasket
    GM522824Courtesy of GENERAL MOTORS CORP.
  3. Install a NEW cylinder head gasket using the locating pins for retention.
    4. Fig 3: View Of Cylinder Head With Alignment Dowels - Right
    GM522830Courtesy of GENERAL MOTORS CORP.
  4. Align the cylinder head with the locating pins.
  5. Place the cylinder head in position on the cylinder block.
    6. Fig 4: Identifying M6 External Drive Bolts
    GM522833Courtesy of GENERAL MOTORS CORP.
  6. Install NEW M11 cylinder head bolts until snug.
  7. Install the M6 cylinder head bolts until snug.
    8. Fig 5: Identifying Right Cylinder Head Bolts
    GM522836Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  8. Tighten the M11 cylinder head bolts.

    Tighten: 

    1. Tighten the bolts (1-10) a first pass in the sequence shown to 30 N.m (22 lb ft).
    2. Tighten the bolts a second pass in the sequence shown an additional 70 degrees using the J 45059  . See Special Tools .
    3. Tighten the bolts a third pass in the sequence shown an additional 60 degrees using the J 45059  . See Special Tools .
    4. Tighten the bolts a final pass in the sequence shown an additional 45 degrees (total 175 degrees) using the J 45059  . See Special Tools .

  9. Tighten the M6 cylinder head bolts.

    Tighten:  Tighten the bolts to 12 N.m (106 lb in).

    10. Fig 6: Identifying Engine Rear Lift Bracket Studs
    GM1660885Courtesy of GENERAL MOTORS CORP.
  10. Position the rear lift bracket to the cylinder head.
  11. Install the rear lift bracket studs.

    Tighten:  Tighten the studs to 50 N.m (37 lb ft).

    12. Fig 7: Identifying Engine Lift Bracket
    GM1660883Courtesy of GENERAL MOTORS CORP.
  12. Install the transaxle brace to the lift bracket studs.
  13. Install the nuts attaching the transaxle brace to the lift bracket studs.

    Tighten:  Tighten the nuts to 50 N.m (37 lb ft).

  14. Raise the vehicle.
  15. Install the bolt attaching the transaxle brace to the transaxle.

    Tighten:  Tighten the bolt to 50 N.m (37 lb ft).

    16. Fig 8: Identifying Right Engine Mount Bracket
    GM1660851Courtesy of GENERAL MOTORS CORP.
  16. Install the stud attaching the right engine mount bracket to the cylinder head.

    Tighten:  Tighten the bolt to 73 N.m (54 lb ft).

  17. Tighten the bolts attaching the engine mount bracket to the transaxle.

    Tighten:  Tighten the bolt to 73 N.m (54 lb ft).

  18. Lower the vehicle.
    19. Fig 9: Identifying Front Exhaust Manifold Pipe
    GM1663211Courtesy of GENERAL MOTORS CORP.
  19. Install the stud attaching the exhaust manifold front pipe to the cylinder head.

    Tighten:  Tighten the stud to 25 N.m (18 lb ft).

    20. Fig 10: Locating Engine Harness Electrical Connectors
    GM1663209Courtesy of GENERAL MOTORS CORP.
  20. Install the engine harness ground terminal (5) onto the stud (1).
  21. Install the engine harness ground terminal nut (4).

    Tighten:  Tighten the nut to 17 N.m (13 lb ft).

  22. Connect the engine harness electrical connector (6) to the ECT sensor.
  23. Install the right secondary camshaft drive chain. Refer to Secondary Camshaft Drive Chain Replacement - Right Side .
  24. Install the engine front cover. Refer to Engine Front Cover Replacement .
  25. Install the camshaft cover. Refer to Camshaft Cover Replacement - Right Side .
  26. Install the intake manifold. Refer to Intake Manifold Replacement .
  27. Install the water crossover. Refer to Engine Coolant Crossover Pipe Replacement .
  28. Install the right exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side .
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