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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Automatic Transmission - 8L90 (M5U) - Description And Operation) >> Description And Operation >> Drive Range, Third Gear >> 1 - 3 - 5 - 6 - 7 Clutch Applies

1 - 3 - 5 - 6 - 7 Clutch Applies

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1 - 3 - 5 - 6 - 7 Control Solenoid Valve Assembly 

The 1-3-5-6-7 control solenoid is energized allowing line fluid to enter the S3 VFS SIG fluid circuit which applies fluid pressure against the S3 VFS SIG accumulator spring force and against the 13567 control valve spring force. This allows 13567 CL/23468 CL FD fluid to enter the 13567 clutch fluid circuit and through the 13567 control valve orifice #38 to FDBK.

1 - 3 - 5 - 6 - 7 Clutch Accumulator 

13567 CLU fluid is directed through orifice #43 and into the 1-3- 5-6-7 clutch accumulator where it applies pressure against the 1-3-5-6-7 clutch accumulator spring force.

1 - 3 - 5 - 6 - 7 Clutch Assembly 

13567 CLU fluid is also directed to the 1-3-5-6-7 clutch assembly housing. 13567 CLU fluid moves the piston against spring force to apply holding of the 1-3-5-6-7 clutch plates.