Engine Prelubing

Special Tools 

EN-45299  Engine Preluber

For equivalent regional tools, refer to Special Tools .

Fig 1: Identifying the M12 x 1.75 Adapter
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 owners manual.

1. Remove the oil pressure switch.
2. Install the M12 x 1.75 adapter (1) P/N509376.
Fig 2: View of Flexible Hose, Adapter and Preluber
Courtesy of GENERAL MOTORS COMPANY
3. Install the flexible hose to the adapter and open the valve.
4. Pump the handle on the EN-45299  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.
5. Close the valve and remove the flexible hose and adapter from the engine.
CAUTION:

Refer to Fastener Caution .

6. Install the oil pressure switch to the engine and tighten to 22 N.m (16 lb ft).
7. Top-off the engine oil to the proper level.