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Home >> Hummer >> 2009 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 6L80 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Description And Operation >> Park - Engine Running >> Fluid Pressure Directed in Preparation for a Shift >> #3 Ball Check Valve

#3 Ball Check Valve

Solenoid 2 fluid seats the #3 ball check valve against 456 CL fluid passage and fluid is forced through orifice #20 into the CSV3 enable fluid circuit. CSV3 enable fluid is then routed to the clutch select valve 3.