Malibu, Malibu MAXX 2006-2008

Oil Pump

Imprimir

Inspection



  1. Clean all parts of sludge, oil, and varnish by soaking in cleaning solvent.
  2.  
  3. Inspect for foreign material and determine the source of the foreign material.
  4.  
  5. Inspect the pump housing and cover for the following conditions:

    Cracks or casting imperfections
     
    Scoring
     
    Damaged threads
     

  6.  
  7. Do not attempt to repair the pump housing. Replace the pump housing.
  8.  
  9. Inspect the oil pump gears for the following conditions:

    Scoring
     
    Excessive wear
     

  10.  
  11. Inspect the idler shaft for looseness or scoring. If loose or damaged, replace the oil pump.
  12.  
  13. Inspect the drive gear shaft for looseness or scoring.
  14.  
  15. Inspect the pressure regulator valve for the following conditions:

    Scoring
     
    Sticking Burrs may be removed using a fine oil stone
     

  16.  
  17. Inspect the pressure regulator valve spring for the following conditions:

    Loss of tension
     
    Bending
     

  18.  
  19. Inspect the suction pipe and screen assembly for the following conditions:

    Looseness If the suction pipe is loose, bent or has been removed, replace the pump body cover and suction pipe.
     
    Broken wire mesh or screen
     

  20.  
  21. Measure the oil pump gear lash. Install the gears, and measure in several places.
  22.  
  23. Measure the oil pump housing gear pocket.
  24.  
  25. Measure the oil pump gears .
    NOTE
    When deciding pump serviceability based on end clearance, consider depth of the wear pattern in the pump cover.

  26.  
  27. Measure the oil pump gear side clearance.
  28.  

Removal & Installation