Engine Prelubing

Special Tools 

EN-45299  Engine Preluber

Equivalent regional tools: Special Tools 

1. Courtesy of GENERAL MOTORS COMPANY

   NOTE:

   A constant and continuous flow of clean engine oil is required in order to properly prime the engine. Ensure an approved engine oil is used, as specified in the owner's manual.

   Engine Oil Pressure Sensor (1) - Remove - Engine Block Disassemble 

2. Seal @ Engine Oil Pressure Sensor (2) - Remove and DISCARD
3. Install the M12 x 1.75 adapter P/N 509376.

4. Courtesy of GENERAL MOTORS COMPANY

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

5. Pump the handle on the EN-45299  Engine Preluber (1) in order to flow a minimum of 1 - 1.9 liters (1 - 2 quarts) of engine oil. Observe the flow of engine oil through the flexible hose and into the engine assembly.
6. Close the valve and remove the flexible hose and adapter from the engine.

7. Courtesy of GENERAL MOTORS COMPANY

   Seal @ Engine Oil Pressure Sensor (2) - Install NEW

8. Engine Oil Pressure Sensor (1) - Install - Engine Block Assemble 
9. Top-off the engine oil to the proper level.