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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Automatic Transmission Servicing) >> Lubrication >> Oil Cooler Flushing & Flow Test >> Forward Flush

Forward Flush

WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect both hoses (3 and 5) from the oil cooler pipes and connect them to the opposite oil cooler pipe. This will allow the oil cooler and pipes to be flushed in the normal flow direction. See Figure.
  2. Repeat steps  6 and  13 of the Back Flush procedure.
  3. Release the trigger (8) of the flushing equipment and allow water only to rinse the oil cooler and pipes for one minute. See Fig 1.
  4. Turn the flushing equipment water supply valve (1) to the OFF position and turn off the water supply at the faucet. See Fig 1.
  5. Attach the shop air supply to the flushing system feed air valve (2) on the flushing equipment and blow out the water from the oil cooler and pipes. Continue, until no water comes out of the discharge hose. See Fig 1.
Fig 1: Flushing Oil Cooling System
G00056984Courtesy of GENERAL MOTORS CORP.
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