Dakota, 2001-2005

Rocker Arms

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Removal & Installation



2.5L Engines
  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2.  
  3. Remove or disconnect the following:
    NOTE
    Keep valvetrain components in order for reassembly.



    Negative battery cable
     
    Accelerator cable
     
    Transmission cable, if equipped
     
    Cruise control cable, if equipped
     
    Valve cover
     
    Rocker arm bolts, loosen them evenly to avoid damaging the alignment bridges
     
    Rocker arms
     



    Click image to see an enlarged view

    Fig. Exploded view of the rocker arm mounting-2.5L engine

  4.  

To install:

  1. Install or connect the following:

    Rocker arms, pivots and bridges in their original positions. Tighten the bolts for each bridged pair one turn at a time to 21 ft. lbs. (28 Nm).
     
    Valve cover
     
    Cruise control cable, if equipped
     
    Transmission cable, if equipped
     
    Accelerator cable
     
    Negative battery cable
     

  2.  

3.9L Engine
  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2.  
  3. Remove or disconnect the following:
    NOTE
    Keep all valvetrain components in order for assembly.



    Negative battery cable
     
    Valve covers
     
    Rocker arms
     

  4.  

To install:

  1. Rotate the crankshaft so that the V6 mark on the crankshaft damper aligns with the timing mark on the front cover. The V6 mark is located 147 degrees AFTER Top Dead Center (TDC).
  2.  
  3. Install the rocker arms in their original positions and tighten the bolts to 21 ft. lbs. (28 Nm).
    CAUTION
    Do not rotate the crankshaft during or immediately after rocker arm installation. Wait 5 minutes for the hydraulic lash adjusters to bleed down.

  4.  
  5. Install or connect the following:

    Valve covers
     
    Negative battery cable
     

  6.  

5.9L Engines
  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2.  
  3. Remove or disconnect the following:
    NOTE
    Keep valvetrain components in order for reassembly.



    Negative battery cable
     
    Valve covers
     
    Rocker arms
     

  4.  

To install:

  1. Rotate the crankshaft so that the V8 mark on the crankshaft damper aligns with the timing mark on the front cover. The V8 mark is located 147 degrees AFTER Top Dead Center (TDC).
  2.  
  3. Install the rocker arms in their original positions and tighten the bolts to 21 ft. lbs. (28 Nm).
    CAUTION
    Do not rotate the crankshaft during or immediately after rocker arm installation. Wait 5 minutes for the hydraulic lash adjusters to bleed down.

  4.  
  5. Install or connect the following:

    Valve covers
     
    Negative battery cable

    Click image to see an enlarged view

    Fig. Exploded view of the rocker arm assembly-8.0L engine

     

  6.  

 
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