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Home >> GMC >> 2021 >> Acadia AT4 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T50 (M3H), 9T60 (M3G) Or 9T65 (M3W) - Description And Operation >> Description and Operation >> Drive Range, Second Gear (Hydraulic Circuits With ETRS) >> 2-9 Clutch Applies

2-9 Clutch Applies

2-9 Solenoid 

The 2-9 solenoid energizes allowing drive fluid to enter the 2-9 regulator valve and enter the 2-9 CLUTCH fluid circuit. 2-9 CLUTCH fluid seats ball check valve #1 then is forced thru orifice #9 and #32 to the 2-9 clutch assembly.

2-9 Clutch Assembly 

29 CLUTCH fluid is directed to the 2-9 clutch assembly housing. 29 CLUTCH fluid moves the piston against spring force to apply holding of the 2-9 clutch plates.