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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 260 (Automatic Transaxle - 4T40-E/4T45-E - Overhaul) >> Description and Operation >> Overdrive Range, Fourth Gear - Torque Converter Clutch (TCC) Applied (With Electronic Range Select Mode) >> Intermediate and Fourth Band Applied >> 1-2 Shift Solenoid Valve

1-2 Shift Solenoid Valve

WARNING: This page is about a different car, the 2004 Pontiac Sunfire, 2004 Chevrolet Classic, and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

The PCM energizes the normally open 1-2 shift solenoid valve, which blocks the 1-2 signal fluid from exhausting. The 1-2 signal fluid pressure is routed to both the 1-2 and the 3-4 shift valves.