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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Nag1 Automatic Transmission (Service Information)) >> Service Information >> Operation >> Shift Groups/ Shift Sequence >> Shift Phase - 1-2 Shift Phase 2

Shift Phase - 1-2 Shift Phase 2

WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Shift Phase - 1-2 Shift Phase 2
GC0012689Courtesy of DAIMLERCHRYSLER CORP.
1 - 1-2/4-5 SHIFT SOLENOID 5 - 1-2/4-5 COMMAND VALVE
2 - 1-2/4-5 OVERLAP VALVE 6 - DRIVING CLUTCH K1
3 - 1-2/4-5 SHIFT PRESSURE SHIFT VALVE 7 - HOLDING CLUTCH B1
4 - 1-2/4-5 HOLDING PRESSURE SHIFT VALVE 8 - SHIFT PRESSURE REGULATING VALVE

The B1 (7) pressure acting on the end face of the shift pressure shift valve (3) is replaced by the working pressure (p-A). The shift pressure is also routed to the spring end of the holding valve (4) and the holding valve downshifts. The line pressure is then routed to the command valve (5). See Fig 1.