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Home >> Buick >> 2019 >> Regal TourX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 155 (Automatic Transmission - 9T50 (M3D) And 9T60 (M3T) - Description And Operation) >> Description and Operation >> Drive Range, Fourth Gear (Hydraulic Circuits) >> 3-8 Clutch Releases

3-8 Clutch Releases

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

S3-8 Solenoid 

The S3-8 solenoid is energized off allowing S38 VFS SIG fluid to exhaust thru orifice #1. Spring pressure shifts the 3-8 clutch regulator valve to allow 38 CLUTCH fluid to exhaust into EX BACKFILL from the 3-8 clutch assembly.

3-8 Clutch Assembly 

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

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