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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transaxle - 4T65-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Description And Operation >> Automatic Transmission Hydraulic Diagrams >> Manual First Gear (With Touch Activated Power) >> Manual Valve (404)

Manual Valve (404)

Line pressure is routed into the braking circuit when the selector lever is moved into the Manual position. Line pressure continues to feed the D4 in Manual.