LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Overhaul, Troubleshooting & Diagnosis >> Description and Operation >> Overdrive Range, 4-3 Downshift >> 2-3 Shift Valve Train

2-3 Shift Valve Train

The AFL fluid pressure at the 2-3 shift valve holds the valves in the upshift position. This allows the servo feed fluid to exhaust through the valve, into the 3-4 accumulator fluid circuit and past the 4-3 sequence valve.