GrandCaravan 2008

Timing Belt & Sprockets

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Removal & Installation



4.0L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect and isolate the negative battery cable.
  4.  
  5. Remove the front timing belt cover. Refer to Timing Belt Front Cover, removal & installation.
  6.  
  7. Mark the belt running direction, if the timing belt is to be reused.
    WARNING
    When aligning the timing marks, always rotate the engine by turning the crankshaft. Failure to do so will result in valve and/or piston damage.

  8.  
  9. Rotate the engine clockwise until the crankshaft (10) mark aligns with the TDC mark on the oil pump housing (9) and the camshaft sprocket (2, 7) timing marks (1, 8) are aligned with the marks on the rear cover.

    Click image to see an enlarged view

    Fig. Timing belt alignment-4.0L engine

  10.  
  11. Raise and safely support the vehicle.
  12.  
  13. Remove the bolt (2) and reposition the oil cooler hose (1).
  14.  
  15. Remove the timing belt tensioner (12).
  16.  
  17. Lower the vehicle.
  18.  
  19. Remove the timing belt (4).
  20.  
  21. Inspect the tensioner for fluid leakage.
  22.  
  23. Inspect the pivot and bolt for free movement, bearing grease leakage, and smooth rotation. If it is not rotating freely, replace the arm and pulley assembly.
    NOTE
    When the tensioner is removed from the engine, it is necessary to compress the plunger into the tensioner body.

  24.  
  25. Index the tensioner in a vise the same way it is installed on the engine. This ensures the proper pin orientation when the tensioner is installed on the engine.
    1. Place the tension