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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 779 (Automatic Transaxle Service, Removal & Installation -- 4T65-E) >> Diagnostic Information and Procedures >> Shift Solenoid Leak Test >> Forward Flush

Forward Flush

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Disconnecting Oil Cooler Pipes
G01531296Courtesy 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.
    Fig 2: Rinsing Oil Cooler & Pipes
    G01531297Courtesy of GENERAL MOTORS CORP.
  3. Release the trigger (1) of the J 35944-A  and allow water only to rinse the oil cooler and pipes for 1 minute.
  4. Turn the J 35944-A  water supply valve (3) to the OFF position and turn OFF the water supply at the faucet.
  5. Attach the shop air supply to the flushing system feed air valve (2) on the and J 35944-A  blow out the water from the oil cooler and pipes. Continue, until no water comes out of the discharge hose.
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