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Home >> Chevrolet >> 2011 >> Corvette ZR-1 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transmission - 6L80-E - Symptom Troubleshooting & Diagnosis) >> Transmission Fluid Cooler Flushing and Flow Test >> Forward Flush

Forward Flush

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    Fig 1: Identifying Black Supply Hose & Clear Waste Hose
    G00667440Courtesy of GENERAL MOTORS CORP.
  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: Main Function Switch FLUSH Position
    GM1212343Courtesy of GENERAL MOTORS CORP.
  3. Turn the main function switch to the FLUSH position and allow machine to operate for 30 seconds.