Isuzu I-280, I-350 2005-06

Camshaft (Cylinder Head) Cover

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Removal & Installation



2.8L
  1. Remove the intake manifold.
  2.  
  3. Remove the ignition coils.
  4.  
  5. Disconnect the following electrical connectors from the camshaft cover.

    The Engine Coolant Temperature (ECT) sensor (1)
     
    The fuel injector (2)
     
    The Heated Oxygen Sensor (HO2S) (5)
     

  6.  
  7. Remove the fuel pressure regulator screw, in order to gain clearance to remove the camshaft cover.

    Click image to see an enlarged view

    Fig. Disconnecting Engine Coolant Temperature (ECT) sensor, fuel injector and HO2S electrical connectors-2.8L

  8.  
  9. Remove the camshaft cover bolts.
  10.  
  11. Remove the camshaft cover from the cylinder head.
  12.  
  13. Remove the seals from the camshaft cover. Do not reuse the seals.
  14.  
  15. Clean and inspect the cylinder head sealing surface.
  16.  
  17. Clean and inspect the camshaft cover.

    Click image to see an enlarged view

    Fig. Removing and installing camshaft cover from cylinder head-2.8L

  18.  

To install:

  1. Install a NEW camshaft cover seal into the camshaft cover groove.
  2.  
  3. Install NEW ignition control module seals into the camshaft cover grooves.
  4.  
  5. Position the camshaft cover to the cylinder head.
  6.  
  7. Install the camshaft cover bolts. Tighten the camshaft cover bolts to 89 inch lbs. (10 Nm).
  8.  
  9. Install the fuel pressure regulator screw. Tighten the fuel pressure regulator screw to 71 inch lbs. (8 Nm).
  10.  
  11. Connect the following electrical connectors to the camshaft cover:

    ECT sensor (1)
     
    fuel injector (2)
     
    HO2S (5)
     

  12.  

3.5L Engine
  1. Remove the intake manifold.
  2.  
  3. Remove the ignition coils.
  4.  
  5. Disconnect the following electrical connectors from the camshaft cover.

    Engine Coolant Temperature (ECT) sensor (1)
     
    Fuel injector (2)
     
    Heated Oxygen Sensor (HO2S) (5)
     

  6.  
  7. Remove the fuel pressure regulator screw, in order to gain clearance to remove the camshaft cover.

    Click image to see an enlarged view

    Fig. Disconnecting ECT sensor, fuel injector, HO2S sensor electrical connectors-3.5L

  8.  
  9. Remove the camshaft cover bolts.
  10.  
  11. Remove the camshaft cover from the cylinder head.
  12.  
  13. Remove the seals from the camshaft cover.  Do not reuse the seals.
  14.  
  15. Clean and inspect the cylinder head sealing surface.
  16.  
  17. Clean and inspect the camshaft cover.

    Click image to see an enlarged view

    Fig. Removing camshaft cover from cylinder head-3.5L

  18.  

To install:

  1. Install a NEW camshaft cover seal into the camshaft cover groove.
  2.  
  3. Install NEW ignition control module seals into the camshaft cover grooves.
  4.  
  5. Position the camshaft cover to the cylinder head.
  6.  
  7. Install the camshaft cover bolts. Tighten the camshaft cover bolts to 89 inch lbs. (10 Nm).
  8.  
  9. Install the fuel pressure regulator screw. Tighten the fuel pressure regulator screw to 71 inch lbs. (8 Nm).
  10.  

 
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