Solstice 2006-2008, Sky 2007-2008

Oil Pump

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Inspection



  1. Clean all of the parts in cleaning solvent. Remove varnish, sludge and dirt.
  2.  
  3. Inspect the oil pump for wear and scoring. Insure that all components are within specifications. Refer to engine mechanical specifications.
  4.  
  5. Replace the front cover and oil pump assembly if it is out of specification or damaged.
  6.  

Removal & Installation



2.4L (LE5) & 2.0L (LNF) Engines
  1. Remove the hood.
  2.  
  3. Remove the drive belt and tensioner.
  4.  
  5. Remove the crankshaft balancer.
  6.  
  7. Remove the engine front cover bolts.
  8.  
  9. Remove the engine front cover to water pump bolt.

    Click image to see an enlarged view

    Fig. Engine front cover

  10.  
  11. Remove and discard the engine front cover gasket.
  12.  
  13. Remove the crankshaft front cover oil seal with an appropriate tool.
  14.  
  15. Remove and discard the friction washer.
  16.  
  17. Disassemble the pressure relief valve.

    Click image to see an enlarged view

    Fig. Oil pressure relief valve removal shown

  18.  
  19. Remove the oil pump gerotor cover and bolts.
  20.  
  21. Clean all of the parts in cleaning solvent. Remove varnish, sludge, and dirt.

    Click image to see an enlarged view

    Fig. Oil pump gerotor removal

  22.  

To install:

  1. Lubricate all oil pump parts with engine oil.
  2.  
  3. Install the inner gear into the outer gear.
    NOTE
    If gears are improperly installed in the front cover, the gerotor cover will not bolt on.

  4.  
  5. Install the gears together into the front cover with the hub of the center gear facing the front cover.
  6.  
  7. Install the oil pump gerotor cover and bolts.
  8.  
  9. Tighten the oil pump gerotor cover bolts to 53 inch. lbs. (6 Nm).
  10.  
  11. Install the pressure relief valve piston.
  12.  
  13. Install the pressure relief valve spring.
  14.  
  15. Tighten the pressure relief valve plug to 30 ft. lbs. (40 Nm).
  16.  
  17. Install a new crankshaft front oil seal.
  18.  
  19. Install a new friction washer.
  20.  
  21. Position and install a new engine front cover gasket to the dowel pins.
  22.  
  23. Position and install the engine front cover.
  24.  
  25. Install the engine front cover to water pump bolt and tighten to 18 ft. lbs. (25 Nm).
  26.  
  27. Install the engine front cover bolts and tighten to 18 ft. lbs. (25 Nm).
  28.  
  29. Install the crankshaft balancer.
  30.  
  31. Install the drive belt and tensioner.
  32.  
  33. Install the hood.
  34.  

 
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