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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Automatic Transmission - 4T80-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Description And Operation >> Automatic Transmission Hydraulic Diagrams >> Manual First Gear >> Low & Reverse Band Applies >> 2-3 Shift Valve

2-3 Shift Valve

WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Spring force hold the 2-3 shift valve in the downshifted position. Low fluid passes through the valve and Low fluid enters the Low feed circuit. Low feed passes through orifice #4, and Low feed enters the orificed Low feed circuit. Low feed is then routed to the 1-2 shift valve.

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