Engine Prelubing

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 45299 Engine Preluber

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

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

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the oil filter.
Tighten: Tighten the oil filter to 38 N.m (28 lb ft).
Locate the oil gallery plug on the left side of the engine block above the oil filter housing.

Fig 1: View Of Engine Block Left Oil Gallery Plug

Courtesy of GENERAL MOTORS CORP.

Install the 1/4 - 18 adapter P/N 509373.
Install the flexible hose to the adapter and open the valve.
Pump the handle on the J 45299 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.

Fig 2: Identifying Engine Preluber J 45299

Courtesy of GENERAL MOTORS CORP.

Close the valve and remove the flexible hose and adapter from the engine.
Install the gallery plug to the engine.
Tighten: Tighten the oil gallery plug to 30 N.m (22 lb ft).
Top-off the engine oil to the proper level.