Isuzu Axiom 2002-05

Camshaft, Bearings & Lifters

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Air cleaner assembly
     
    Upper fan shroud
     
    Accessory drive belt and tensioner
     
    Cooling fan and pulley
     
    Idler pulley
     
    Power steering pump and move it aside
     
    Crankshaft pulley
     
    Timing belt cover
     
    Timing belt. Refer to the Timing Belt Unit Repair Section.
     
    Ignition coils
     
    Valve covers
     
    Camshafts
     
    Valve shims and tappets
     

  4.  


NOTE
Keep the valve shims and tappets in order for installation.

To install:



Click image to see an enlarged view

Fig. Camshaft alignment marks for the left and right cylinder heads-3.5L engine



Click image to see an enlarged view

Fig. Camshaft retaining bracket tightening sequence-3.5L engine

  1. Install the valve tappets and shims in their original locations.
  2.  
  3. Using Gear Spring Lever J-42686, turn the sub gear clockwise to align the 5mm bolt holes in the sub gear and the camshaft driven gear. Tighten the 5mm bolt.
  4.  
  5. Install the camshafts. Align the timing marks as shown. Tighten the bolts in sequence to 89 inch lbs. (10 Nm).
  6.  
  7. Install or connect the following:

    Valve covers
     
    Ignition coils
     
    Timing belt. Refer to the Timing Belt Unit Repair Section.
     
    Timing belt cover
     
    Crankshaft pulley
     
    Power steering pump
     
    Idler pulley
     
    Cooling fan and pulley
     
    Accessory drive belt and tensioner
     
    Upper fan shroud
     
    Air cleaner assembly
     
    Negative battery cable
     

  8.  


    Click image to see an enlarged view

    Fig. Aligning the sub gear with the Gear Spring Lever J-42686-3.5L engine


  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Remove or disconnect the following:
    NOTE
    Keep the valve shims and tappets in order for installation.



    Negative battery cable
     
    Air cleaner assembly
     
    Upper fan shroud
     
    Accessory drive belt and tensioner
     
    Cooling fan and pulley
     
    Idler pulley
     
    Power steering pump and move it aside
     
    Crankshaft pulley
     
    Timing belt cover
     
    Timing belt. Refer to the Timing Belt Unit Repair Section.
     
    Ignition coils
     
    Valve covers
     
    Camshafts
     
    Valve shims and tappets
     

  4.  

To install:

Click image to see an enlarged view

Fig. Camshaft alignment marks for the left and right cylinder heads-3.5L engine



Click image to see an enlarged view

Fig. Camshaft retaining bracket tightening sequence-3.5L engine

  1. Install the valve tappets and shims in their original locations.

    Click image to see an enlarged view

    Fig. Aligning the sub gear with the Gear Spring Lever J-42686-3.5L engine

  2.  
  3. Using Gear Spring Lever J-42686, turn the sub gear clockwise to align the 5mm bolt holes in the sub gear and the camshaft driven gear. Tighten the 5mm bolt.
  4.  
  5. Install the camshafts. Align the timing marks as shown. Tighten the bolts in sequence to 89 inch lbs. (10 Nm).
  6.  
  7. Install or connect the following:

    Valve covers
     
    Ignition coils
     
    Timing belt. Refer to the Timing Belt Unit Repair Section.
     
    Timing belt cover
     
    Crankshaft pulley
     
    Power steering pump
     
    Idler pulley
     
    Cooling fan and pulley
     
    Accessory drive belt and tensioner
     
    Upper fan shroud
     
    Air cleaner assembly
     
    Negative battery cable
     

  8.  

 
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