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Engine Prelubing

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools 

J 45299  Engine Preluber

For equivalent regional tools, refer to Special Tools 

  1. GM2902814Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    If any malfunction is experienced which may cause debris to enter the oil supply, you must replace the engine oil cooler and hoses if equipped. Debris in the engine oil cooler and oil cooler hoses may be pulled back into the engine causing severe engine damage.

    NOTE:

    A constant and continuous flow of clean engine oil is required in order to properly prime the engine. Use an approved engine oil as specified in the owners manual.

    Remove the engine oil filter and fill with clean engine oil.

  2. CAUTION:

    Refer to Fastener Caution .

  3. Install the oil filter and tighten 3/4 to 1 full turn after gasket makes contact with the sealing surface on the filter mounting flange.
  4. Ensure that the oil drain plug is installed and tightened to 25 N.m (18 lb ft)
  5. Locate the engine block left rear oil gallery plug.
  6. Install the M16 x 1.5 adapter P/N 509375.
  7. GM863255Courtesy of GENERAL MOTORS COMPANY

    Install the flexible hose to the adapter and open the valve.

  8. Pump the handle on the J 45299  preluber in order to flow a minimum of 1 - 1.9 liters (1 - 2 quarts) engine oil. Observe the flow of engine oil through the flexible hose and into the engine assembly.
  9. Close the valve and remove the flexible hose and adapter from the engine.
  10. Install the gallery plug to the engine and tighten to 30 N.m (44 lb ft).
  11. Top-off the engine oil to the proper level.