Home >> Chevrolet >> 2008 >> Optra LT, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transaxle - ZF 4HP 16 - Service, Overhaul, Removal & Installation, Troubleshooting & Diagnosis >> Transmission Fluid Cooler Flushing and Flow Test (J-45096) >> Cooler Flow Check and Flushing Steps >> Tools Required