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Home >> Pontiac >> 2008 >> Grand Prix GXP >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transaxle - 4T65-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Manual Second Gear (With Touch Activated Power) >> 2-3 Shift Valve (357)

2-3 Shift Valve (357)

When shifted by braking fluid, it allows 3rd fluid to exhaust.