Crossfire 2006-2008

Camshaft, Bearings & Lifters

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Inspection



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove the camshaft from the engine.
  4.  
  5. Inspect the camshaft bearing journals for damage or binding.
    NOTE
    If the journals are binding, check the cylinder head for damage. Also check the cylinder head oil holes for clogging.

  6.  
  7. Check the camshaft lobe and bearing surfaces for wear and damage. Replace as required.
  8.  
  9. Measure the lobe actual wear and replace the camshaft if it is out of limit. The standard value is 0.001 inch (0.0254 mm). The wear limit is 0.010 inch (0.254 mm).
  10.  

Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect battery negative cable from battery and properly isolate to prevent accidental reconnection.
  4.  
  5. Remove the cylinder head covers.
    NOTE
    Rotate engine at the crankshaft in running direction until scribe mark 40° on pulley/vibration damper corresponds with scribe mark on timing chain cover. Grooves in the camshafts must be toward the inside of the wedge.

  6.  
  7. Position the engine timing at 40° ATDC.

    Click image to see an enlarged view

    Fig. Crankshaft timing mark set to 40 degrees ATDC

  8.  
  9. Using Special Tools 9104 (1) and 9105 Camshaft Locating Plates, lock the camshafts by placing the tool flush on the cylinder head, and inserting it into the groove in the camshaft.

    Click image to see an enlarged view