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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Transmission Cooling System) >> Diagnostic Information and Procedures >> Transmission Fluid Cooler Flow Test and Flushing >> Forward Flush

Forward Flush

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the supply and waste hoses from the vehicle cooler lines. Reverse the supply and waste hoses to provide a normal flow direction.
    Fig 1: Identifying Supply And Waste Hoses
    GM1765261Courtesy of GENERAL MOTORS COMPANY
  2. Turn the main function switch to the FLUSH position and allow machine to operate for 30 seconds.
    Fig 2: View Of Main Function Switch FLUSH Position
    GM1212343Courtesy of GENERAL MOTORS COMPANY
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