GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • EN-47971 Oil Pressure Gage Adapter
    • J 45299 Engine Preluber

For equivalent regional tools, refer to Special Tools


    Object Number: 1735066  Size: SH

    Note: Ensure the oil cooler lines are disconnected and the oil filter adapter oil cooler line ports are blocked in order to direct the oil from the engine preluber into the engine.

  1. Remove the engine oil filter.

  2. Object Number: 1735067  Size: SH

    Caution: Special new tool EN 47971 must be used. Due to the special size and thread pitch of the oil filter adapter fitting ensure the proper tool is used or component damage will result.

  3. Install the EN-47971 adapter onto the oil filter adapter.

  4. Object Number: 1735886  Size: SH
  5. Install the 1/8 NPT fitting from the J 45299 preluber into the port on the EN-47971 adapter .

  6. Object Number: 1735070  Size: SH
  7. Install the J 45299 preluber flexible hose to the fitting.

  8. Object Number: 863255  Size: SH
  9. Open the valve of the J 45299 preluber .
  10. Note: A constant and continuous flow of clean engine oil is required in order to properly prime the engine. Use the approved engine oil as specified in the owner’s manual.

  11. Pump the handle of the J 45299 preluber in order to flow a minimum of 1-1.9 liters (1-2 quarts) of fresh clean engine oil. Observe the flow of engine oil through the flexible hose and into the engine assembly.
  12. Close the valve of the J 45299 preluber .

  13. Object Number: 1735070  Size: SH
  14. Remove the J 45299 preluber flexible hose.

  15. Object Number: 1735886  Size: SH
  16. Remove the fitting from the EN-47971 adapter .

  17. Object Number: 1735067  Size: SH
  18. Remove the EN-47971 adapter from the oil filter adapter.
  19. Caution: This engine uses a special high performance oil filter. Use of any other filter may lead to filter failure and/or severe engine damage.

  20. Ensure the NEW oil filter is filled with clean fresh engine oil.
  21. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1735066  Size: SH
  22. Install the NEW oil filter and tighten to 32 N·m (24 lb ft).