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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Automatic Transmission - 4T65-E - Description And Operation) >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Drive Range, Manual First (from Drive, Manual Second) >> Manual Valve (404)

Manual Valve (404)

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Line pressure is routed into the Lo fluid circuit when the selector lever is moved into the Manual First (1) position. Line pressure continues to feed the D4, D3 and D2 fluid circuits as in Manual Second.