Forward Flush

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Oil Cooler Line Flusher

Courtesy of GENERAL MOTORS CORP.

Disconnect both hoses (1 and 2) from the oil cooler lines and connect them to the opposite oil cooler line. This will allow the oil cooler and lines to be flushed in the normal flow direction.
Repeat Step 6 and 7 of the Back Flush.

Fig 2: J 35944-A Water Supply Valve ON/OFF Positions

Courtesy of GENERAL MOTORS CORP.

Release the trigger (1) of the SA 9165T: line flusher and allow water only to rinse the oil cooler and lines for 1 minute.
Turn the SA 9165T: line flusher water supply valve (3) to the OFF position and turn OFF the water supply at the faucet.
Attach the shop air supply to the flushing system feed air valve (2) on the SA 9165T: line flusher and blow out the water from the oil cooler and lines. Continue, until no water comes out of the discharge hose.