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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1686 (Automatic Transmission - 2ML70 - Description And Operation) >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Power Off High Default >> Hybrid Direct, 2-3-4 Clutch Remains Applied >> Shift Solenoid Valve - Mode B

Shift Solenoid Valve - Mode B

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

PCS 3 signal fluid pressure acts on a differential area of the shift solenoid valve - mode B, holding the valve in the applied position against shift solenoid valve - mode B spring force. This allows HD 234 clutch/B cooling feed fluid pressure to continue to feed the HD 234 clutch circuit.

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