GM Service Manual Online
For 1990-2009 cars only

Oil Pump, Screen and Crankshaft Oil Deflector Removal L98, LS2


    Object Number: 1950754  Size: SH
  1. Remove the oil pump screen and tube assembly to oil pump retaining bolt (1).
  2. Remove the oil pump screen and tube assembly to crankshaft oil deflector retaining nut (4).
  3. Remove the oil pump screen and tube assembly (3) from the oil pump (2).

  4. Object Number: 1950765  Size: SH

    Important: The oil pump screen and tube assembly O-ring seal (1) is a single use only component and must be replaced whenever the oil pump screen and tube assembly (2) is removed.

  5. Remove the oil pump screen and tube assembly O-ring seal (1) from the oil pump screen and tube assembly (2).
  6. Discard the oil pump screen and tube assembly O-ring seal (1).


    Object Number: 1950763  Size: SH
  7. Remove the remaining crankshaft oil deflector retaining nuts (2).
  8. Remove the crankshaft oil deflector (1).

  9. Object Number: 1950768  Size: SH
  10. Remove the oil pump bolt (1).
  11. Important: Do not allow dirt or debris to enter the oil pump, cap the ends as necessary.

  12. Remove the oil pump (2).
  13. Clean and inspect the oil pump. Refer to Oil Pump Cleaning and Inspection.

Oil Pump, Screen and Crankshaft Oil Deflector Removal LS3


    Object Number: 1520947  Size: SH
  1. Remove the oil pump screen bolt (405) and nut (404).
  2. Remove the oil pump screen (407) with O-ring seal.
  3. Remove the O-ring seal (406) from the pump screen.
  4. Discard the O-ring seal.

  5. Object Number: 1552545  Size: SH
  6. Remove the crankshaft oil deflector nuts (403).
  7. Remove the crankshaft oil deflector (425).

  8. Object Number: 1658170  Size: SH
  9. Remove the oil pump bolts (411).
  10. Important: Do not allow dirt or debris to enter the oil pump assembly. Cap ends, as necessary.

  11. Remove the oil pump (413).