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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LS >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 8L90 (M5U) - Description And Operation >> Description And Operation >> Drive Range, Fifth Gear >> 2 - 3 - 4 - 6 - 8 Clutch Releases

2 - 3 - 4 - 6 - 8 Clutch Releases

2 - 3 - 4 - 6 - 8 Control Solenoid 

The 2-3-4-6-8 control solenoid is signaled off allowing S4 VFS SIG fluid to exhaust. Spring pressure shifts the valve to allow 23468 CLUTCH fluid to exhaust into EX BACKFILL from the 2-3-4-6-8 clutch assembly housing.

2 - 3 - 4 - 6 - 8 Clutch Assembly 

The 2-3-4-6-8 clutch is released allowing 23468 CLUTCH fluid to exhaust through the 2-3-4-6-8 control solenoid.