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Home >> Chevrolet >> 2010 >> Cobalt LS, 4D Sedan, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4T45-E - Description And Operation >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Overdrive Range, 4-3 Downshift - Torque Converter Clutch Not Applied (W/O Electronic Range Select Mode) >> Intermediate and Fourth Band Releases >> 1-2/3-4 Accumulator Valve

1-2/3-4 Accumulator Valve

The accumulator valve regulates line pressure into the 1-2/3-4 accumulator fluid circuit in order to fill the 3-4 accumulator. Torque signal fluid pressure controls this regulation. Increased torque signal fluid pressure regulates accumulator fluid to a higher pressure.