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Home >> GMC >> 2020 >> Acadia SL >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T50 (M3H), 9T60 (M3G) Or 9T65 (M3W M3V) - Description And Operation >> Description and Operation >> Drive Range, Fourth Gear (Hydraulic Circuits With ETRS) >> 3-8 Clutch Releases

3-8 Clutch Releases

VFS S3-8 Solenoid 

The S3-8 solenoid is commanded to low pressure allowing the 3-8 clutch regulator valve to shift enough to prevent pressurized DRIVE 2 fluid from entering the 38 CLUTCH fluid passage and engaging the 3-8 clutch.

3-8 Clutch Assembly 

The 3-8 clutch is released allowing 38 CLUTCH fluid to exhaust thru the 3-8 clutch regulator valve.