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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Cooling System >> Diagnostic Information and Procedures >> Transmission Fluid Cooler Flushing and Flow Test (6T70) >> Forward Flush

Forward Flush

    Fig 1: Identifying Supply And Waste Hoses
    GM1765261Courtesy of GENERAL MOTORS COMPANY
  1. Disconnect the supply and waste hoses from the vehicle cooler lines. Reverse the supply and waste hoses to provide a normal flow direction.
    2. Fig 2: View Of Main Function Switch FLUSH Position
    GM1212343Courtesy of GENERAL MOTORS COMPANY
  2. Turn the main function switch to the FLUSH position and allow machine to operate for 30 seconds.
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