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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1587 (Automatic Transaxle - 4T45-E - Service, Diagnosis & Troubleshooting) >> Automatic Transmission Oil Cooler Flushing and Flow Test (SA9165T) >> Forward Flush

Forward Flush

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Connecting J 35944 To Oil Cooler
    GM893800Courtesy of GENERAL MOTORS CORP.
  1. Disconnect both hoses (1 and 2) 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.
  2. Repeat Step 6 and 7 of the Back Flush.
    3. Fig 2: J 35944-A Water Supply Valve ON/OFF Positions
    GM893801Courtesy of GENERAL MOTORS CORP.
  3. Release the trigger (1) of the SA9165T  and allow water only to rinse the oil cooler and pipes for 1 minute. See Special Tools .
  4. Turn the SA9165T  water supply valve (3) to the OFF position and turn OFF the water supply at the faucet. See Special Tools .
  5. Attach the shop air supply to the flushing system feed air valve (2) on the SA9165T  and blow out the water from the oil cooler and pipes. See Special Tools . Continue, until no water comes out of the discharge hose.
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