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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 >> Drive Range, Manual Second (from Drive, Manual Third) (Without Touch Activated Power) >> 2-3 Shift Valve (357)

2-3 Shift Valve (357)

When shifted by D2 fluid, it allows D2 to enter the manual 2-1 servo feed passage to stroke the manual 2-1 servo assembly (104-115) and allows 3rd fluid to exhaust.