Mitsubishi Endeavor 2004-06

Rocker Arms & Shafts

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Drain the engine oil and cooling system.
  6.  
  7. To remove the left bank rocker arms/shafts, remove or disconnect the following:

    Negative battery cable
     
    Intake plenum, if removing the right bank rocker arms
     
    Timing belt
     
    Thermostat housing
     
    Blow-by and Positive Crankcase Ventilation (PCV) hoses, if removing the left bank rocker arms
     
    PCV valve, if removing the left bank
     
    Breather and blow-by hoses, if removing the right bank rocker arms
     
    Ignition coil connectors and ignition coils
     
    Engine control wiring harness clamp
     
    Rocker arm (valve) cover, gasket and spark plug oil seal(s)
     

  8.  


NOTE
Install auto lash adjuster retainers SST MD998443 on the rocker arms



Intake and exhaust rocker arms and shafts by loosening the mounting bolt and removing the rocker arm and shaft assembly with the bolt still attached
 
Lash adjusters
 



Click image to see an enlarged view

Fig. Install the special tool to prevent the lash adjusters from falling to the floor during rocker arm removal-3.8L engine



Click image to see an enlarged view

Fig. Exploded view of the rocker arms, camshafts and related components-Left bank shown, right bank similar

To install:


NOTE
Lubricate the valve train components with clean engine oil.

  1. Bleed and install the lash adjusters to the to the original bores in the cylinder head.
  2.  
  3. Install or connect the following:

    Rocker arms and shafts. Torque the bolts to 21-25 ft. lbs. (28-34 Nm).
     
    Valve cover oil seals and gasket
     
    Valve cover. Torque the bolts to 27-35 inch lbs. (3.0-4.0 Nm).
     

  4.  
  5. Install the remaining components in the reverse of the removal procedure.
  6.  
  7. Connect the negative. Fill the engine crankcase and cooling system.
  8.  
  9. Run vehicle and check for leaks.
  10.  

Left Bank
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable. Drain the cooling system.
  4.  
  5. Remove the upper timing belt covers.
  6.  
  7. Remove the thermostat housing. Remove the blow-by hose connection.
  8.  
  9. Remove the PCV valve connection. Remove the PCV valve.
  10.  
  11. Remove the ignition coil connector. Remove the ignition coil. Remove the control wiring harness clamp.
  12.  
  13. Remove the rocker arm cover retaining bolts. Remove the rocker arm cover.
  14.  
  15. Remove the spark plug guide oil seal.
    NOTE
    Install auto lash adjuster retainers SST MD998443 on the rocker arms.




  16.  
  17. Remove the intake and exhaust rocker arms and shafts by loosening the mounting bolts and removing the rocker arm and shaft assembly with the bolt still attached.

    Click image to see an enlarged view

    Fig. Install the special tool to prevent the lash adjusters from falling to the floor during rocker arm removal



    Click image to see an enlarged view

    Fig. Rocker arms and related components-left bank

  18.  

To install:


NOTE
Lubricate the valve train components with clean engine oil.

  1. Bleed and install the lash adjusters in their original bores in the cylinder head.

    Click image to see an enlarged view

    Fig. Rocker arm installation identification points

  2.  
  3. Install the rocker arms shafts and lash adjuster assembly. Torque the bolts to 21-25 ft. lbs. (28-34 Nm). Remove the lash adjuster retaining tool.
  4.  
  5. Install the valve cover oil seals and gasket. Torque the bolts to 27-35 inch lbs. (3.0-4.0 Nm).
  6.  
  7. Install the remaining components in the reverse of the removal procedure.
  8.  
  9. Connect the negative battery cable. On 2005-2006 vehicles, turn the ignition ON and then OFF , and keep it off for at least ten seconds.
  10.  
  11. Run the engine and check for leaks, correct as required.
  12.  

Right Bank
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable. Drain the cooling system.
  4.  
  5. Remove the intake manifold plenum assembly.
  6.  
  7. Remove the upper timing belt covers. Remove the thermostat housing.
  8.  
  9. Remove the breather hose connection. Remove the blow-by hose connection.
  10.  
  11. Remove the ignition coil connector. Remove the ignition coil. Remove the control wiring harness clamp.
  12.  
  13. Remove the rocker arm cover retaining bolts. Remove the rocker arm cover.
  14.  
  15. Remove the spark plug guide oil seal.
    NOTE
    Install auto lash adjuster retainers SST MD998443 on the rocker arms.




  16.  
  17. Remove the intake and exhaust rocker arms and shafts by loosening the mounting bolts and removing the rocker arm and shaft assembly with the bolt still attached.

    Click image to see an enlarged view

    Fig. Rocker arms and related components-right bank

  18.  

To install:


NOTE
Lubricate the valve train components with clean engine oil.

  1. Bleed and install the lash adjusters in their original bores in the cylinder head.
  2.  
  3. Install the rocker arms shafts and lash adjuster assembly. Torque the bolts to 21-25 ft. lbs. (28-34 Nm). Remove the lash adjuster retaining tool.
  4.  
  5. Install the valve cover oil seals and gasket. Torque the bolts to 27-35 inch lbs. (3.0-4.0 Nm).
  6.  
  7. Install the remaining components in the reverse of the removal procedure.
  8.  
  9. Connect the negative battery cable. On 2005-2006 vehicles, turn the ignition ON and then OFF , and keep it off for at least ten seconds.
  10.  
  11. Run the engine and check for leaks, correct as required.
  12.  

 
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